Price: 100 points or $1 USD
Subjects: math,mathElementary,operationsAndAlgebraicThinking,additionAndSubtraction
Grades: 1,2,3
Description: These cards each provide a word problem using addition or subtraction within 20. Students solve the problem and type the answer in the box provided. They will receive immediate feedback. If they answer wrong, they must answer until they get it correct.