5th Grade Doubling and Halving Multiplication Strategy

What is double 12?

• 12

• 24

• 48

• 6

Tags

CCSS.5.OA.B.3

What is half of 14?

• 7

• 14

• 15

• 28

Tags

CCSS.2.OA.C.3

Which factor could you cut in half in this expression?

14 x 5

• 14

• x

• 5

Tags

CCSS.3.OA.C.7

Which factor could you cut in half in this expression?

17 x 24

• 17

• 24

• x

Tags

CCSS.3.OA.C.7

16 x 3 = 8 x 6

• true

• false

• I don't know

Tags

CCSS.3.OA.B.5

5 x 18 = 5 x 9

• true

• false

• I don't know

Tags

CCSS.3.OA.B.5

3 x 14 = 6 x 7

• true

• false

• Not enough information

Tags

CCSS.3.OA.B.5

16 x 50 = 16 x 100

• true

• false

• none of the above

Tags

CCSS.3.OA.B.5

34 x 50 = 17 x 100

• true

• false

• More information needed.

Tags

CCSS.3.OA.B.5

23 x 4 = 46 x ?

What is the missing factor?

• 23

• 4

• 46

• 2

Tags

CCSS.3.OA.B.5