diff --git a/README.md b/README.md
index 87cc5d60e763fb70c0d066b6bfb802a57a560792..70f897d7ae6e62b9d41255684566750ecb1a7b21 100644
--- a/README.md
+++ b/README.md
@@ -11,14 +11,14 @@ dataset_info:
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-  dataset_size: 92602650
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 - config_name: algebra__linear_1d_composed
   features:
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-  dataset_size: 200585016
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 - config_name: algebra__linear_2d
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 - config_name: algebra__linear_2d_composed
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 - config_name: algebra__polynomial_roots
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 - config_name: algebra__polynomial_roots_composed
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   - name: train
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 - config_name: algebra__sequence_next_term
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 - config_name: algebra__sequence_nth_term
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 - config_name: arithmetic__add_or_sub
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 - config_name: arithmetic__add_or_sub_in_base
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 - config_name: arithmetic__add_sub_multiple
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 - config_name: arithmetic__div
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 - config_name: arithmetic__mixed
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 - config_name: arithmetic__mul
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 - config_name: arithmetic__mul_div_multiple
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 - config_name: arithmetic__nearest_integer_root
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 - config_name: arithmetic__simplify_surd
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 - config_name: calculus__differentiate
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 - config_name: calculus__differentiate_composed
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 - config_name: comparison__closest
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 - config_name: comparison__kth_biggest_composed
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 - config_name: measurement__time
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 - config_name: numbers__base_conversion
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 - config_name: numbers__div_remainder
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 - config_name: numbers__div_remainder_composed
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 - config_name: numbers__gcd
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 - config_name: numbers__gcd_composed
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 - config_name: numbers__is_factor
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 - config_name: numbers__is_factor_composed
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 - config_name: numbers__is_prime
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 - config_name: numbers__is_prime_composed
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 - config_name: numbers__lcm
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+  download_size: 111982922
+  dataset_size: 241622474
 - config_name: numbers__list_prime_factors
   features:
   - name: question
@@ -611,14 +611,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 585749
-    num_examples: 10000
   - name: train
-    num_bytes: 109982816
+    num_bytes: 129232636
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 110568565
+  - name: test
+    num_bytes: 681991
+    num_examples: 10000
+  download_size: 45841653
+  dataset_size: 129914627
 - config_name: numbers__list_prime_factors_composed
   features:
   - name: question
@@ -626,14 +626,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1053510
-    num_examples: 10000
   - name: train
-    num_bytes: 205379513
+    num_bytes: 224629333
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 206433023
+  - name: test
+    num_bytes: 1149752
+    num_examples: 10000
+  download_size: 102849681
+  dataset_size: 225779085
 - config_name: numbers__place_value
   features:
   - name: question
@@ -641,14 +641,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 496977
-    num_examples: 10000
   - name: train
-    num_bytes: 95180091
+    num_bytes: 114429911
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 95677068
+  - name: test
+    num_bytes: 593219
+    num_examples: 10000
+  download_size: 27944451
+  dataset_size: 115023130
 - config_name: numbers__place_value_composed
   features:
   - name: question
@@ -656,14 +656,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1011130
-    num_examples: 10000
   - name: train
-    num_bytes: 197187918
+    num_bytes: 216437738
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 198199048
+  - name: test
+    num_bytes: 1107372
+    num_examples: 10000
+  download_size: 98949374
+  dataset_size: 217545110
 - config_name: numbers__round_number
   features:
   - name: question
@@ -671,14 +671,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 570636
-    num_examples: 10000
   - name: train
-    num_bytes: 111472483
+    num_bytes: 130722303
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 112043119
+  - name: test
+    num_bytes: 666878
+    num_examples: 10000
+  download_size: 53984836
+  dataset_size: 131389181
 - config_name: numbers__round_number_composed
   features:
   - name: question
@@ -686,14 +686,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1016754
-    num_examples: 10000
   - name: train
-    num_bytes: 201057283
+    num_bytes: 220307103
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 202074037
+  - name: test
+    num_bytes: 1112996
+    num_examples: 10000
+  download_size: 109105229
+  dataset_size: 221420099
 - config_name: polynomials__add
   features:
   - name: question
@@ -701,14 +701,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1308455
-    num_examples: 10000
   - name: train
-    num_bytes: 257576092
+    num_bytes: 276825912
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 258884547
+  - name: test
+    num_bytes: 1404697
+    num_examples: 10000
+  download_size: 155192509
+  dataset_size: 278230609
 - config_name: polynomials__coefficient_named
   features:
   - name: question
@@ -716,14 +716,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1137226
-    num_examples: 10000
   - name: train
-    num_bytes: 219716251
+    num_bytes: 238966071
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 220853477
+  - name: test
+    num_bytes: 1233468
+    num_examples: 10000
+  download_size: 122391677
+  dataset_size: 240199539
 - config_name: polynomials__collect
   features:
   - name: question
@@ -731,14 +731,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 774709
-    num_examples: 10000
   - name: train
-    num_bytes: 143743260
+    num_bytes: 162993080
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 144517969
+  - name: test
+    num_bytes: 870951
+    num_examples: 10000
+  download_size: 76588969
+  dataset_size: 163864031
 - config_name: polynomials__compose
   features:
   - name: question
@@ -746,14 +746,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1209763
-    num_examples: 10000
   - name: train
-    num_bytes: 233651887
+    num_bytes: 252901707
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 234861650
+  - name: test
+    num_bytes: 1306005
+    num_examples: 10000
+  download_size: 137345705
+  dataset_size: 254207712
 - config_name: polynomials__evaluate
   features:
   - name: question
@@ -761,14 +761,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 599446
-    num_examples: 10000
   - name: train
-    num_bytes: 114538250
+    num_bytes: 133788070
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 115137696
+  - name: test
+    num_bytes: 695688
+    num_examples: 10000
+  download_size: 63472783
+  dataset_size: 134483758
 - config_name: polynomials__evaluate_composed
   features:
   - name: question
@@ -776,14 +776,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1148362
-    num_examples: 10000
   - name: train
-    num_bytes: 226022455
+    num_bytes: 245272275
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 227170817
+  - name: test
+    num_bytes: 1244604
+    num_examples: 10000
+  download_size: 127127855
+  dataset_size: 246516879
 - config_name: polynomials__expand
   features:
   - name: question
@@ -791,14 +791,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1057353
-    num_examples: 10000
   - name: train
-    num_bytes: 202338235
+    num_bytes: 221588055
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 203395588
+  - name: test
+    num_bytes: 1153595
+    num_examples: 10000
+  download_size: 120408158
+  dataset_size: 222741650
 - config_name: polynomials__simplify_power
   features:
   - name: question
@@ -806,14 +806,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1248040
-    num_examples: 10000
   - name: train
-    num_bytes: 216407582
+    num_bytes: 235657402
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 217655622
+  - name: test
+    num_bytes: 1344282
+    num_examples: 10000
+  download_size: 111191144
+  dataset_size: 237001684
 - config_name: probability__swr_p_level_set
   features:
   - name: question
@@ -821,14 +821,14 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1159050
-    num_examples: 10000
   - name: train
-    num_bytes: 227540179
+    num_bytes: 246789999
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 228699229
+  - name: test
+    num_bytes: 1255292
+    num_examples: 10000
+  download_size: 68618178
+  dataset_size: 248045291
 - config_name: probability__swr_p_sequence
   features:
   - name: question
@@ -836,14 +836,351 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 1097442
-    num_examples: 10000
   - name: train
-    num_bytes: 215865725
+    num_bytes: 235115545
     num_examples: 1999998
-  download_size: 2333082954
-  dataset_size: 216963167
+  - name: test
+    num_bytes: 1193684
+    num_examples: 10000
+  download_size: 64664278
+  dataset_size: 236309229
+configs:
+- config_name: algebra__linear_1d
+  data_files:
+  - split: train
+    path: algebra__linear_1d/train-*
+  - split: test
+    path: algebra__linear_1d/test-*
+- config_name: algebra__linear_1d_composed
+  data_files:
+  - split: train
+    path: algebra__linear_1d_composed/train-*
+  - split: test
+    path: algebra__linear_1d_composed/test-*
+- config_name: algebra__linear_2d
+  data_files:
+  - split: train
+    path: algebra__linear_2d/train-*
+  - split: test
+    path: algebra__linear_2d/test-*
+- config_name: algebra__linear_2d_composed
+  data_files:
+  - split: train
+    path: algebra__linear_2d_composed/train-*
+  - split: test
+    path: algebra__linear_2d_composed/test-*
+- config_name: algebra__polynomial_roots
+  data_files:
+  - split: train
+    path: algebra__polynomial_roots/train-*
+  - split: test
+    path: algebra__polynomial_roots/test-*
+- config_name: algebra__polynomial_roots_composed
+  data_files:
+  - split: train
+    path: algebra__polynomial_roots_composed/train-*
+  - split: test
+    path: algebra__polynomial_roots_composed/test-*
+- config_name: algebra__sequence_next_term
+  data_files:
+  - split: train
+    path: algebra__sequence_next_term/train-*
+  - split: test
+    path: algebra__sequence_next_term/test-*
+- config_name: algebra__sequence_nth_term
+  data_files:
+  - split: train
+    path: algebra__sequence_nth_term/train-*
+  - split: test
+    path: algebra__sequence_nth_term/test-*
+- config_name: arithmetic__add_or_sub
+  data_files:
+  - split: train
+    path: arithmetic__add_or_sub/train-*
+  - split: test
+    path: arithmetic__add_or_sub/test-*
+- config_name: arithmetic__add_or_sub_in_base
+  data_files:
+  - split: train
+    path: arithmetic__add_or_sub_in_base/train-*
+  - split: test
+    path: arithmetic__add_or_sub_in_base/test-*
+- config_name: arithmetic__add_sub_multiple
+  data_files:
+  - split: train
+    path: arithmetic__add_sub_multiple/train-*
+  - split: test
+    path: arithmetic__add_sub_multiple/test-*
+- config_name: arithmetic__div
+  data_files:
+  - split: train
+    path: arithmetic__div/train-*
+  - split: test
+    path: arithmetic__div/test-*
+- config_name: arithmetic__mixed
+  data_files:
+  - split: train
+    path: arithmetic__mixed/train-*
+  - split: test
+    path: arithmetic__mixed/test-*
+- config_name: arithmetic__mul
+  data_files:
+  - split: train
+    path: arithmetic__mul/train-*
+  - split: test
+    path: arithmetic__mul/test-*
+- config_name: arithmetic__mul_div_multiple
+  data_files:
+  - split: train
+    path: arithmetic__mul_div_multiple/train-*
+  - split: test
+    path: arithmetic__mul_div_multiple/test-*
+- config_name: arithmetic__nearest_integer_root
+  data_files:
+  - split: train
+    path: arithmetic__nearest_integer_root/train-*
+  - split: test
+    path: arithmetic__nearest_integer_root/test-*
+- config_name: arithmetic__simplify_surd
+  data_files:
+  - split: train
+    path: arithmetic__simplify_surd/train-*
+  - split: test
+    path: arithmetic__simplify_surd/test-*
+- config_name: calculus__differentiate
+  data_files:
+  - split: train
+    path: calculus__differentiate/train-*
+  - split: test
+    path: calculus__differentiate/test-*
+- config_name: calculus__differentiate_composed
+  data_files:
+  - split: train
+    path: calculus__differentiate_composed/train-*
+  - split: test
+    path: calculus__differentiate_composed/test-*
+- config_name: comparison__closest
+  data_files:
+  - split: train
+    path: comparison__closest/train-*
+  - split: test
+    path: comparison__closest/test-*
+- config_name: comparison__closest_composed
+  data_files:
+  - split: train
+    path: comparison__closest_composed/train-*
+  - split: test
+    path: comparison__closest_composed/test-*
+- config_name: comparison__kth_biggest
+  data_files:
+  - split: train
+    path: comparison__kth_biggest/train-*
+  - split: test
+    path: comparison__kth_biggest/test-*
+- config_name: comparison__kth_biggest_composed
+  data_files:
+  - split: train
+    path: comparison__kth_biggest_composed/train-*
+  - split: test
+    path: comparison__kth_biggest_composed/test-*
+- config_name: comparison__pair
+  data_files:
+  - split: train
+    path: comparison__pair/train-*
+  - split: test
+    path: comparison__pair/test-*
+- config_name: comparison__pair_composed
+  data_files:
+  - split: train
+    path: comparison__pair_composed/train-*
+  - split: test
+    path: comparison__pair_composed/test-*
+- config_name: comparison__sort
+  data_files:
+  - split: train
+    path: comparison__sort/train-*
+  - split: test
+    path: comparison__sort/test-*
+- config_name: comparison__sort_composed
+  data_files:
+  - split: train
+    path: comparison__sort_composed/train-*
+  - split: test
+    path: comparison__sort_composed/test-*
+- config_name: measurement__conversion
+  data_files:
+  - split: train
+    path: measurement__conversion/train-*
+  - split: test
+    path: measurement__conversion/test-*
+- config_name: measurement__time
+  data_files:
+  - split: train
+    path: measurement__time/train-*
+  - split: test
+    path: measurement__time/test-*
+- config_name: numbers__base_conversion
+  data_files:
+  - split: train
+    path: numbers__base_conversion/train-*
+  - split: test
+    path: numbers__base_conversion/test-*
+- config_name: numbers__div_remainder
+  data_files:
+  - split: train
+    path: numbers__div_remainder/train-*
+  - split: test
+    path: numbers__div_remainder/test-*
+- config_name: numbers__div_remainder_composed
+  data_files:
+  - split: train
+    path: numbers__div_remainder_composed/train-*
+  - split: test
+    path: numbers__div_remainder_composed/test-*
+- config_name: numbers__gcd
+  data_files:
+  - split: train
+    path: numbers__gcd/train-*
+  - split: test
+    path: numbers__gcd/test-*
+- config_name: numbers__gcd_composed
+  data_files:
+  - split: train
+    path: numbers__gcd_composed/train-*
+  - split: test
+    path: numbers__gcd_composed/test-*
+- config_name: numbers__is_factor
+  data_files:
+  - split: train
+    path: numbers__is_factor/train-*
+  - split: test
+    path: numbers__is_factor/test-*
+- config_name: numbers__is_factor_composed
+  data_files:
+  - split: train
+    path: numbers__is_factor_composed/train-*
+  - split: test
+    path: numbers__is_factor_composed/test-*
+- config_name: numbers__is_prime
+  data_files:
+  - split: train
+    path: numbers__is_prime/train-*
+  - split: test
+    path: numbers__is_prime/test-*
+- config_name: numbers__is_prime_composed
+  data_files:
+  - split: train
+    path: numbers__is_prime_composed/train-*
+  - split: test
+    path: numbers__is_prime_composed/test-*
+- config_name: numbers__lcm
+  data_files:
+  - split: train
+    path: numbers__lcm/train-*
+  - split: test
+    path: numbers__lcm/test-*
+- config_name: numbers__lcm_composed
+  data_files:
+  - split: train
+    path: numbers__lcm_composed/train-*
+  - split: test
+    path: numbers__lcm_composed/test-*
+- config_name: numbers__list_prime_factors
+  data_files:
+  - split: train
+    path: numbers__list_prime_factors/train-*
+  - split: test
+    path: numbers__list_prime_factors/test-*
+- config_name: numbers__list_prime_factors_composed
+  data_files:
+  - split: train
+    path: numbers__list_prime_factors_composed/train-*
+  - split: test
+    path: numbers__list_prime_factors_composed/test-*
+- config_name: numbers__place_value
+  data_files:
+  - split: train
+    path: numbers__place_value/train-*
+  - split: test
+    path: numbers__place_value/test-*
+- config_name: numbers__place_value_composed
+  data_files:
+  - split: train
+    path: numbers__place_value_composed/train-*
+  - split: test
+    path: numbers__place_value_composed/test-*
+- config_name: numbers__round_number
+  data_files:
+  - split: train
+    path: numbers__round_number/train-*
+  - split: test
+    path: numbers__round_number/test-*
+- config_name: numbers__round_number_composed
+  data_files:
+  - split: train
+    path: numbers__round_number_composed/train-*
+  - split: test
+    path: numbers__round_number_composed/test-*
+- config_name: polynomials__add
+  data_files:
+  - split: train
+    path: polynomials__add/train-*
+  - split: test
+    path: polynomials__add/test-*
+- config_name: polynomials__coefficient_named
+  data_files:
+  - split: train
+    path: polynomials__coefficient_named/train-*
+  - split: test
+    path: polynomials__coefficient_named/test-*
+- config_name: polynomials__collect
+  data_files:
+  - split: train
+    path: polynomials__collect/train-*
+  - split: test
+    path: polynomials__collect/test-*
+- config_name: polynomials__compose
+  data_files:
+  - split: train
+    path: polynomials__compose/train-*
+  - split: test
+    path: polynomials__compose/test-*
+- config_name: polynomials__evaluate
+  data_files:
+  - split: train
+    path: polynomials__evaluate/train-*
+  - split: test
+    path: polynomials__evaluate/test-*
+- config_name: polynomials__evaluate_composed
+  data_files:
+  - split: train
+    path: polynomials__evaluate_composed/train-*
+  - split: test
+    path: polynomials__evaluate_composed/test-*
+- config_name: polynomials__expand
+  data_files:
+  - split: train
+    path: polynomials__expand/train-*
+  - split: test
+    path: polynomials__expand/test-*
+- config_name: polynomials__simplify_power
+  data_files:
+  - split: train
+    path: polynomials__simplify_power/train-*
+  - split: test
+    path: polynomials__simplify_power/test-*
+- config_name: probability__swr_p_level_set
+  data_files:
+  - split: train
+    path: probability__swr_p_level_set/train-*
+  - split: test
+    path: probability__swr_p_level_set/test-*
+- config_name: probability__swr_p_sequence
+  data_files:
+  - split: train
+    path: probability__swr_p_sequence/train-*
+  - split: test
+    path: probability__swr_p_sequence/test-*
 ---
 
 # Dataset Card for "math_dataset"
diff --git a/algebra__linear_1d/test-00000-of-00001.parquet b/algebra__linear_1d/test-00000-of-00001.parquet
new file mode 100644
index 0000000000000000000000000000000000000000..a5f4d231db26f2bb587ca515c8885fc15c751455
--- /dev/null
+++ b/algebra__linear_1d/test-00000-of-00001.parquet
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d66206d2575eb94023db510918c0eab8283aee5b1e7d832bb3d5e3e1d6be507a
+size 313568
diff --git a/algebra__linear_1d/train-00000-of-00001.parquet b/algebra__linear_1d/train-00000-of-00001.parquet
new file mode 100644
index 0000000000000000000000000000000000000000..208484813aa1489ca3761cebe41a8cb80c7e6336
--- /dev/null
+++ b/algebra__linear_1d/train-00000-of-00001.parquet
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:045bf766260eaa24e0066efdc9a3781370aee15256724fac94c874de606938f7
+size 53480721
diff --git a/algebra__linear_1d_composed/test-00000-of-00001.parquet b/algebra__linear_1d_composed/test-00000-of-00001.parquet
new file mode 100644
index 0000000000000000000000000000000000000000..cdce07947595783edc4e36e0fd2e22a9bb9b3b2c
--- /dev/null
+++ b/algebra__linear_1d_composed/test-00000-of-00001.parquet
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2b2a169953baf7a2858bd4ba9846037394a5efdf267998da67461698e5e94e63
+size 604299
diff --git a/algebra__linear_1d_composed/train-00000-of-00001.parquet b/algebra__linear_1d_composed/train-00000-of-00001.parquet
new file mode 100644
index 0000000000000000000000000000000000000000..143ff9fe46690018488fe60da29a145336274362
--- /dev/null
+++ b/algebra__linear_1d_composed/train-00000-of-00001.parquet
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:deeea6b0514cd31875afd3ba0fe2b9b4abb664c39f6a02ba1cc472673c36df86
+size 116376347
diff --git a/algebra__linear_2d/test-00000-of-00001.parquet b/algebra__linear_2d/test-00000-of-00001.parquet
new file mode 100644
index 0000000000000000000000000000000000000000..20f1b472c837dd2249fb28fb6625ae4d070c068b
--- /dev/null
+++ b/algebra__linear_2d/test-00000-of-00001.parquet
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:275a7f17cf9b53c0b154c8392e6bfa44a81f87b90bcbeaa8a68e6bbeafe517e3
+size 392884
diff --git a/algebra__linear_2d/train-00000-of-00001.parquet b/algebra__linear_2d/train-00000-of-00001.parquet
new file mode 100644
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diff --git a/math_dataset.py b/math_dataset.py
deleted file mode 100644
index b618451cfb6fd01435b8182b00766f7134f66792..0000000000000000000000000000000000000000
--- a/math_dataset.py
+++ /dev/null
@@ -1,275 +0,0 @@
-# coding=utf-8
-# Copyright 2020 The TensorFlow Datasets Authors and the HuggingFace Datasets Authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Lint as: python3
-"""Mathematics database."""
-
-import datasets
-
-
-logger = datasets.logging.get_logger(__name__)
-
-
-_CITATION = """
-@article{2019arXiv,
-  author = {Saxton, Grefenstette, Hill, Kohli},
-  title = {Analysing Mathematical Reasoning Abilities of Neural Models},
-  year = {2019},
-  journal = {arXiv:1904.01557}
-}
-"""
-
-_DESCRIPTION = """
-Mathematics database.
-
-This dataset code generates mathematical question and answer pairs,
-from a range of question types at roughly school-level difficulty.
-This is designed to test the mathematical learning and algebraic
-reasoning skills of learning models.
-
-Original paper: Analysing Mathematical Reasoning Abilities of Neural Models
-(Saxton, Grefenstette, Hill, Kohli).
-
-Example usage:
-train_examples, val_examples = datasets.load_dataset(
-    'math_dataset/arithmetic__mul',
-    split=['train', 'test'],
-    as_supervised=True)
-"""
-
-_DATA_URL = "https://storage.googleapis.com/mathematics-dataset/mathematics_dataset-v1.0.tar.gz"
-
-_TRAIN_CATEGORY = [
-    "train-easy",
-    "train-medium",
-    "train-hard",
-]
-
-_INTERPOLATE_CATEGORY = [
-    "interpolate",
-]
-
-_MODULES = [
-    # extrapolate
-    "measurement__conversion",
-    # interpolate
-    "algebra__linear_1d",
-    "algebra__linear_1d_composed",
-    "algebra__linear_2d",
-    "algebra__linear_2d_composed",
-    "algebra__polynomial_roots",
-    "algebra__polynomial_roots_composed",
-    "algebra__sequence_next_term",
-    "algebra__sequence_nth_term",
-    "arithmetic__add_or_sub",
-    "arithmetic__add_or_sub_in_base",
-    "arithmetic__add_sub_multiple",
-    "arithmetic__div",
-    "arithmetic__mixed",
-    "arithmetic__mul",
-    "arithmetic__mul_div_multiple",
-    "arithmetic__nearest_integer_root",
-    "arithmetic__simplify_surd",
-    "calculus__differentiate",
-    "calculus__differentiate_composed",
-    "comparison__closest",
-    "comparison__closest_composed",
-    "comparison__kth_biggest",
-    "comparison__kth_biggest_composed",
-    "comparison__pair",
-    "comparison__pair_composed",
-    "comparison__sort",
-    "comparison__sort_composed",
-    "measurement__conversion",
-    "measurement__time",
-    "numbers__base_conversion",
-    "numbers__div_remainder",
-    "numbers__div_remainder_composed",
-    "numbers__gcd",
-    "numbers__gcd_composed",
-    "numbers__is_factor",
-    "numbers__is_factor_composed",
-    "numbers__is_prime",
-    "numbers__is_prime_composed",
-    "numbers__lcm",
-    "numbers__lcm_composed",
-    "numbers__list_prime_factors",
-    "numbers__list_prime_factors_composed",
-    "numbers__place_value",
-    "numbers__place_value_composed",
-    "numbers__round_number",
-    "numbers__round_number_composed",
-    "polynomials__add",
-    "polynomials__coefficient_named",
-    "polynomials__collect",
-    "polynomials__compose",
-    "polynomials__evaluate",
-    "polynomials__evaluate_composed",
-    "polynomials__expand",
-    "polynomials__simplify_power",
-    "probability__swr_p_level_set",
-    "probability__swr_p_sequence",
-    # train-easy train-medium train-hard
-    "algebra__linear_1d",
-    "algebra__linear_1d_composed",
-    "algebra__linear_2d",
-    "algebra__linear_2d_composed",
-    "algebra__polynomial_roots",
-    "algebra__polynomial_roots_composed",
-    "algebra__sequence_next_term",
-    "algebra__sequence_nth_term",
-    "arithmetic__add_or_sub",
-    "arithmetic__add_or_sub_in_base",
-    "arithmetic__add_sub_multiple",
-    "arithmetic__div",
-    "arithmetic__mixed",
-    "arithmetic__mul",
-    "arithmetic__mul_div_multiple",
-    "arithmetic__nearest_integer_root",
-    "arithmetic__simplify_surd",
-    "calculus__differentiate",
-    "calculus__differentiate_composed",
-    "comparison__closest",
-    "comparison__closest_composed",
-    "comparison__kth_biggest",
-    "comparison__kth_biggest_composed",
-    "comparison__pair",
-    "comparison__pair_composed",
-    "comparison__sort",
-    "comparison__sort_composed",
-    "measurement__conversion",
-    "measurement__time",
-    "numbers__base_conversion",
-    "numbers__div_remainder",
-    "numbers__div_remainder_composed",
-    "numbers__gcd",
-    "numbers__gcd_composed",
-    "numbers__is_factor",
-    "numbers__is_factor_composed",
-    "numbers__is_prime",
-    "numbers__is_prime_composed",
-    "numbers__lcm",
-    "numbers__lcm_composed",
-    "numbers__list_prime_factors",
-    "numbers__list_prime_factors_composed",
-    "numbers__place_value",
-    "numbers__place_value_composed",
-    "numbers__round_number",
-    "numbers__round_number_composed",
-    "polynomials__add",
-    "polynomials__coefficient_named",
-    "polynomials__collect",
-    "polynomials__compose",
-    "polynomials__evaluate",
-    "polynomials__evaluate_composed",
-    "polynomials__expand",
-    "polynomials__simplify_power",
-    "probability__swr_p_level_set",
-    "probability__swr_p_sequence",
-]
-
-_QUESTION = "question"
-_ANSWER = "answer"
-
-_DATASET_VERSION = "mathematics_dataset-v1.0"
-
-
-def _generate_builder_configs():
-    """Generate configs with different subsets of mathematics dataset."""
-    configs = []
-    for module in sorted(set(_MODULES)):
-        configs.append(
-            datasets.BuilderConfig(
-                name=module,
-                version=datasets.Version("1.0.0"),
-                description=_DESCRIPTION,
-            )
-        )
-
-    return configs
-
-
-class MathDataset(datasets.GeneratorBasedBuilder):
-    """Math Dataset."""
-
-    BUILDER_CONFIGS = _generate_builder_configs()
-
-    def _info(self):
-        return datasets.DatasetInfo(
-            description=_DESCRIPTION,
-            features=datasets.Features(
-                {
-                    _QUESTION: datasets.Value("string"),
-                    _ANSWER: datasets.Value("string"),
-                }
-            ),
-            supervised_keys=(_QUESTION, _ANSWER),
-            homepage="https://github.com/deepmind/mathematics_dataset",
-            citation=_CITATION,
-        )
-
-    def _get_filepaths_from_categories(self, config, categories):
-        filepaths = []
-        for category in categories:
-            data_file = "/".join([_DATASET_VERSION, category, config])
-            filepaths.append(data_file)
-        return set(filepaths)
-
-    def _split_generators(self, dl_manager):
-        """Returns SplitGenerators."""
-
-        archive = dl_manager.download(_DATA_URL)
-        config = self.config.name + ".txt"
-
-        return [
-            datasets.SplitGenerator(
-                name=datasets.Split.TRAIN,
-                gen_kwargs={
-                    "files": dl_manager.iter_archive(archive),
-                    "config": config,
-                    "categories": _TRAIN_CATEGORY,
-                },
-            ),
-            datasets.SplitGenerator(
-                name=datasets.Split.TEST,
-                gen_kwargs={
-                    "files": dl_manager.iter_archive(archive),
-                    "config": config,
-                    "categories": _INTERPOLATE_CATEGORY,
-                },
-            ),
-        ]
-
-    def _generate_examples(self, files, config, categories):
-        """Yields examples based on directory, module file.."""
-
-        idx = 0
-        filepaths = self._get_filepaths_from_categories(config, categories)
-        for path, f in files:
-            if not filepaths:
-                break
-            elif path in filepaths:
-                for question in f:
-                    if not question:
-                        continue
-                    else:
-                        for answer in f:
-                            if not answer:
-                                continue
-                            else:
-                                yield idx, {_QUESTION: question, _ANSWER: answer}
-                                idx += 1
-                                break
-                filepaths.remove(path)
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