5.02 Multiply by 2

Lesson

Are you ready?

Can you write repeated addition as a multiplication number sentence? Try this question.

Write this addition as a multiplication.

$2+2+2$2+2+2

Let's look at how to double or multiply numbers by $2$2.

$2\times6$2×6

Remember!

Multiplying by two is the same as doubling and can be thought of as the total of two equally sized groups.

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.