standard_description: Add up to four two-digit numbers using strategies based on place value and properties of operations.
problem_activity: Stage 4: Within 100 with Composing
Required Preparation
Materials to Copy
Blackline Masters
Number Puzzles Digit Cards
Number Puzzles Addition Stage 4 Gameboard

Narrative
Students use digit cards to make addition and subtraction equations true. They work with sums and differences within 100 with composing and decomposing. Each digit card may only be used one time on a page.


aligns: no