standard_description: Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.
problem_activity: Stage 2: Factors 1–5
Required Preparation
Materials to Gather
Colored pencils, crayons, or markers
Number cubes
Paper clips
Materials to Copy
Blackline Masters
Rectangle Rumble Stage 2 Grid
Rectangle Rumble Stage 2 Spinner

Narrative
Students generate factors with a number cube and a spinner with the numbers 1–5. Students use a
\(15 \times 15\)
grid.
Additional Information
Each group of students need a paper clip, a number cube, and two different color writing utensils.


aligns: no