Unit 6 Lesson 9

Unit 6 Lesson 9

Look for a pattern

Multiple Choice

How many days will it take him to collect 50 rocks?

• 10 days

• 11 days

• 12 days

• 13 days

Remember if you do not have to rearrange the numbers it is the commutative property. If you do have to rearrange the numbers into groups it would be the associative property. If it is multiplying by 1 then it is the identity property.

Multiple Select

Find the product and determine which property you would use to solve the problem.

4 x 25 x 5

• associative property

• commutative property

• 500

• 400

• 600

Multiple Select

Find the product and determine which property you would use to solve the problem.

50 x 35 x 4

• associative property

• commutative property

• 5000

• 6000

• 7000

Multiple Select

Find the product and determine which property you would use to solve the problem.

6 x 50 x 22

• associative property

• commutative property

• 5600

• 6600

• 7600

Multiple Select

Find the product and determine which property you would use to solve the problem.

8 x 31 x 5

• associative property

• commutative property

• 1240

• 1340

• 1140

Multiple Choice

Which of the following best demonstrates the Identity Property of Multiplication?

• A - 2 x (5 + 9) = (2 x 5) + (2 x 9)

• B - 42 x 3 = 3 x 42

• C - 15 x 1 = 15

• D - (8 x 6) x 11 = 8 x (6 x 11)

Poll

What would you round $15.18 to?

• $15

• $16

• $10

• $20

Multiple Choice

16 / 2 = 

 

• 7

• 8

• 9

Poll

What would you round $32.57 to?

• $32

• $33

• $30

• $40

Multiple Choice

$33 / 3 = 

 

• $11

• $10.66

• $10

• $13.33

Multiple Choice

Estimate the quotient.

• $19.50 / 5 = $3.90

• $20 / 5 = $4

• $19 / 5 = $3.80

Multiple Choice

Estimate the quotient.

• $47.25 / 25 = $1.89

• $45 / 25 = $1.80

• $50 / 25 = $2

Multiple Choice

Estimate the quotient.

• 16.8 / 4 = 4.2

• 16 / 4 = 4

• 17 / 4 = 4.25

Multiple Select

Estimate each quotient. Choose all that may apply.

• 128.9 / 12 = 10.74

• 130 / 10 = 13

• 120 / 12 = 10

• 129 / 12 = 10.75

Multiple Select

Estimate each quotient. Choose all that may apply.

• 576.4 / 62 = 9.30

• 576 / 62 = 9.30

• 600 / 60 = 10

• 540 / 60 = 9

Multiple Select

Estimate each quotient. Choose all that may apply.

• $14 / 7 = $2

• $20 / 10 = $2

• $15 / 7 = $2.50

• $16 / 8 = $2

Multiple Select

Estimate each quotient. Choose all that may apply.

• 56.3 / 18 = 3.13

• 60 / 20 = 3

• 56 / 18 = 3.11

• 54 / 18 = 3

Multiple Select

Estimate each quotient. Choose all that may apply.

• 150 / 15 = 10

• 200 / 15 = 13.33

• 200 / 20 = 10

Multiple Choice

About how much did each pen cost?

• $8.07 / 3 = $2.69

• $9 / 3 = $3

Multiple Choice

About how much does it cost for one adult ticket?

• $12

• $14

• $15

• $16