Add 3 addends: sums less than 20 1.oa.2

by My Little Penguins

Price: 200 points or $2 USD

Subjects: math

Grades: 13,1,2

Description: No prep! Self-checking boom cards for adding 3 addends. These 30 cards are in random order and will allow students to practice adding 3 numbers within 20. See the preview for a sample and see my store for many more decks! CCSS.MATH.CONTENT.1.OA.A.2 Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.