Unit 5 REVIEW

A bucket containing 8 markers is placed on each table. There are 7 tables in the classroom. How many markers are there in all?

• 42

• 63

• 56

• 49

Tags

CCSS.3.OA.A.3

Kelly buys 3 bags of erasers. Each bag has 8 erasers. To find how many erasers she buys in all, she thinks "3x4=12". What should she do next?

• She needs to subtract 8.

• She should double 3 and 4, and solve.

• She should add 4.

• She should DOUBLE the 12, to get 24.

Tags

CCSS.3.OA.A.3

3x8=

Tags

CCSS.3.OA.C.7

Which explains why knowing 2x9=18 can help you solve 4x9.

• You can DOUBLE the product of 9x9 and get 36.

• You can DOUBLE the product of 2x2 and get 36.

• You can DOUBLE the product of 2x9 and get 36.

• It isn't helpful. Just use your hands to solve your 9s.

Tags

CCSS.3.OA.C.7

Choose all that apply

6x8 =

• (6x4) + (6x4)

• 5x8 + 1x8

• 3x8 + 3x8

• (6x4) + (6x4)

Tags

CCSS.3.OA.B.5

How can knowing 3x5, help you solve 6x5?

• 3x5 is 15, and you just add 5 more to get the answer to 6x5.

• 3x5 is 15, just DOUBLE 15 to get the product of 6x5= 30. 15 DOUBLED is 30

• 3x5= 15, just add 10 more to get the product of 6x5.

• 3x5=15, so 6x5 is 15.

Tags

CCSS.3.OA.C.7

9x4=

Tags

CCSS.3.OA.C.7

When you ___________, you break a number into parts.

• multiply

• unknown

• array

• decompose

The _________ is the answer to a multiplication equation.

• sum

• difference

• quotient

• product

Tags

CCSS.3.OA.A.1

6x8=

Tags

CCSS.3.OA.C.7