5. Multiplication fluency

5.01 Multiply by 0 or 1

5.02 Multiply by 2

5.03 Multiply by 4

PRACTICE: Multiply by 2 and 4

5.04 Multiply by 8

5.05 Multiply by 3

5.06 Multiply by 6

5.07 Multiply by 10

5.08 Multiply by 5

PRACTICE: Multiply by 5 and 10

5.09 Multiply by 7

5.10 Multiply by 9

PRACTICE: Multiplication

United States of America Tennessee

Grade 3

5.03 Multiply by 4

Lesson

Are you ready?

Multiplication looks at equally sized groups. Doubling means multiplying equally sized groups by $2$2. Can you solve this problem?

$9\times2$9×2

Learn

4 groups is twice (two times) as many as 2 groups. Let's look at how to multiply numbers by 4.

Apply

$4\times4$4×4

Remember!

To solve questions with $4$4 times tables, you can use the Double, Double strategy. That means you double the number, then double the answer.

Outcomes

3.OA.C.7

Fluently multiply and divide within 100, using strategies such as the properties of operations or the relationship between multiplication and division (e.g., knowing that 8 x 5 = 40, one knows 40 ÃƒÂ· 5 = 8). By the end of 3rd grade, know all products of two one-digit numbers and related division facts.

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