Review: ❌ Double a Known Fact

What known fact will help you find 4 × 7?

• 7 × 7

• 2 + 7

• 2 × 7

• 2 × 4

What known fact will help you find 3 × 8?

• 3 × 1

• 3 × 4

• 2 × 4

• 4 × 4

What known fact will help you find 6 × 5?

• 2 × 2

• 3 × 5

• 2 × 5

• 3 × 3

What known fact will help you find 3 × 6?

• 3 × 3

• 3 + 3

• 2 × 3

• 1 × 6

What known fact will help you find 4 × 5?

• 5 × 5

• 2 × 5

• 4 × 2

• 2 × 2

Julie is doubling a known fact to figure out what 8 x 10 is. Choose the known fact that she could double to find the product of 8 x 10.

• 8 x 5

• 5 x 10

• 10 x 8

Donald wants to double his 2 baskets of 7 apples.

How many apples will he have?

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Donald wants to double his 2 baskets of 7 apples.

Which expression can he use to find out how many apples he will have?

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Which expression can be used to find the product of 4 x 5?

• (4 x 5) + (5 x 5)

• (2 x 5) + (2 x 5)

• (2 x 5) x (2 x 5)

Which expression can be used to find the product of 8 x 6?

• (4 x 6) + (4 x 6)

• (4 + 6) x (4 + 6)

• (8 x 6) + (8 x 6)