standard_description: Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
problem_activity: Stage 1: Two-digit Factors
Required Preparation
Materials to Copy
Blackline Masters
Number Puzzles Mult Stage 1 Recording Sheet

Narrative
Students use the digits 0–9 to make multiplication equations with two-digit factors true. Each digit may only be used one time.


aligns: no