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: Sort these shapes (cut out from
Polygons Template
) into groups. You may sort them any way you want and into as many groups as you want. Be prepared to explain how you sorted the shapes.
Sort them another way.


aligns: no