standard_description: 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.
problem_activity: Stage 1: Add and Subtract within 10
Required Preparation
Materials to Copy
Blackline Masters
Compare Stage 1 Addition Cards to 10
Compare Stage 1 Subtraction Cards to 10

Narrative
Students use cards with addition and subtraction expressions within 10.


aligns: no