The Identity Property: Multiplying by 1

Core Concepts

Discover the simple but powerful rule for multiplying by the number one. It's called the Identity Property of Multiplication, and it's one of the easiest rules in math!

The Identity Property: Multiplying by 1

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What is the Identity Property of Multiplication?

Any number multiplied by $1$ is always that same number. The number keeps its 'identity'.

$$5 \times 1 = ?$$

$$5$$

$$1 \times 3 = ?$$

$$3$$

$$2 \times ? = 2$$

$$1$$

$$1 \times 4 = ?$$

$$4$$

$$1 \times 1 = ?$$

$$1$$

If you have $4$ friends and you give each of them $1$ sticker, how many stickers did you give away?

You gave away $4$ stickers. This shows that $4 \times 1 = 4$.

$$1 \times 0 = ?$$

$$0$$

The Identity Property: Multiplying by 1

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