Number (mult/div)

Lesson

Groups are a great way to see what we are doing when we

**multiply**- or work out how many items we have altogether, or**divide**- when we share.

Using groups in this video, we also look at how multiplication and division are related.

Solve problems involving the addition, subtraction, and multiplication of whole numbers, using a variety of mental strategies (e.g., use the commutative property: 5 x 18 x 2 = 5 x 2 x 18, which gives 10 x 18 = 180)