Price: 200 points or $2 USD
Subjects: math,additionAndSubtraction,placeValue
Grades: 1,2
Description: Students will add subtract 10 (10 more 10 less) from two-digit numbers. It comes with 3 types of cards: click on the answer to subtract 10, click on the answer to add 10, and drag the answers to add AND subtract ten from the given number. Students can click on the sound icon to hear the directions on each card. *This deck addresses CCSS 1.NBT.C.5: Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.