by Chalk One Up for the Teacher © 2020
Price: $2 USD
Subjects: math
Grades: 2,3
These 20 cards will give your students plenty of practice showing and explaining that they understand how addition and subtraction strategies work. Students will have practice with -fact families -commutative property of addition -checking sums using subtraction -checking differences using addition -solving 3-digit addition and subtraction equations -explaining how to solve addition and subtraction equations
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