SlowGuess/NAACL_2022_OCR huggingface dataset:
Category	Augmentation Method	Example
Paraphrasing Methods	Round trip Translation	Original: Kimberly went to the store 6 times last month. She buys 9 peanuts each time she goes to the store. How many peanuts did Kimberly buy last month?
Augmented: Kimberly travelled to club six times last month. She buys 9 peanuts every time she goes to the club. How many peanuts did Kimberly buy last year?
Problem Reordering	Original: Fred has 10 blue marbles. Fred has number1 times more blue marbles than Tim. How many blue marbles does Tim have?
Augmented: If fred has 10 blue marbles and fred has number1 more blue marbles than Tim then how many blue marbles does tim have?
Substitution Methods	Fill Masking	Original: Sarah had 7 homework problems. She finished 2 of them but still had 3 pages of problems to do. If each page has the same number of problems on it, how many problems are on each page?
Augmented: Sarah had 7 of them. She had 2 of them but still had 3 more of them to do. If each more has the same number of them on it, How many them are on each more?
Named-Entity Replacement	Original: Beverly had 10 dimes in his bank. His sister Maria borrowed 2 of his dimes. How many dimes does Beverly have now?
Augmented: Silva had 10 dimes in his bank. His sister Jeanie borrowed a pair of his dimes. How many dimes does Jeanie have now?
Synonym Replacement	Original: Shawn's team won their dodgeball game and scored 25 points total. If Shawn scored 13 of the points and everyone else scored 4 points each, how many players were on his team?
Augmented: Shawn's group won their rumble game and scored 25 points total. If Shawn scored 13 of the points and everyone else scored quarter points each, how many people were there?
Table 15: Invalid Augmentation examples from all proposed methods. Coloured text represents the changes in problem statement.