Price: 200 points or $2 USD
Subjects: math,mathElementary,operationsAndAlgebraicThinking,placeValue,baseTen,additionAndSubtraction
Grades: 1,2,3
Description: Help your students become proficientat learning 10 less and 10 more using a number grid. They drag the numbers into the answer box. No mindless clicking and guessing! (24 slides)