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Grade 3

CCSS Math Standard: 3.OA.1

Represent and solve problems involving multiplication and division. Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 × 7.

Why Is Our Calendar So Weird!?

Why are there 12 months? Why don't weeks fit into months evenly? Why don't weeks fit into the year evenly? What's going on with the calendar!