5.01 Multiply by 0 or 1

Lesson

Are you ready?

Do you remember how to write a multiplication number sentence about equally sized groups?

Let's look at how to write and solve multiplication number sentences when we have $1$1 group or $0$0 groups.

$3\times0$3×0

Remember!

$1$1 group of anything is itself.

$0$0 groups of anything is $0$0.

Fluently multiply and divide.

Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division or properties of operations.

By the end of Grade 3, know from memory all products of two one-digit numbers.