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3.03 x2, x4

Lesson

Are you ready?

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

$2\times8$2×8

Learn

$4$4 groups is twice (two times) as many as $2$2 groups. Let's look at how to multiply numbers by $4$4 using the Double, Double strategy.

 

Apply

$4\times8$4×8

 

Remember!
  • Double means "multiply by $2$2."
  • To multiply a number by $4$4, you can use the Double, Double strategy. That means, double the number, then double the answer.

Outcomes

VCMNA155

Recall multiplication facts up to 10 × 10 and related division facts

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