Multiplication and division

Distributive

100

• What is the result of using the Distributive Property on 3(4 + 5)?

24

200

• How can you use the Distributive Property to calculate 6(10 + 2)?

72

300

 3 × 50 =( × ) + ( × ) + ( × ) +  ( × ) + ( × )  = 30 +  +  +  +

 3 × 50 =(3 ×10 ) + (3 ×10 ) + (3 ×10 ) +  (3 ×10 ) + (3 ×10 )  = 30 + 30 + 30 + 30 +30

400

Rachel is hanging photos on a wall. She hangs 20 photos in each of 4 rows. How many photos does Rachel hang?

80

500

Robin says, “I can find 6 × 9 by multiplying 4 × 9 and doubling it.” Does her statement make sense? Justify your answer.

No, Robin can find 6 x 9 by multiplying 3 x 9 and doubling it. if she finds 4 x 9 and double it, sh is finding 8 x 9 

Associative

100

Dustin earns $30 for each lawn he mows. How much does Dustin earn for 3 lawns?

$90 

200

How can you use the Associative Property of Multiplication to find the product 2 and 30?

: I can rewrite 30 as 10 × 3 and then group the factors. So, I multiply 2 × 10 first before multiplying that product with 3

300

7 × 8 = 7 × (2 × ■ )

4

400

Find the product 7 × 40 by rewriting 40 as a product of 10 and a number

7 × (10 × 4) = (7 × 10) × 4 = 70 × 4 = 280

500

jess finds 8 x 70 using 8 x (7 + 10). is Jess correct? Explain 

No, Jess rewrote 70 incorrectly as the sum of two #'s that do not equal 70. He should write 70 as 7 x 10; (7 x 10)

Multiplication

100

5 × 20

100

200

 Find the product of 18×10

180

300

10. What is the result of 8×7?
a. 54
b. 56
c. 64
d. 48

b. 56

400

What is 100÷25?

4

500

Which equation demonstrates the distributive property?

a. 6×(4+2)=6×4+6×26×(4+2)=6×4+6×2

b. 5×6=6×55×6=6×5 

c. (3×4)×5=3×(4×5)(3×4)×5=3×(4×5) 

d. 2+3=3+22+3=3+2

a. 6×(4+2)=6×4+6×26×(4+2)=6×4+6×2

Division

100

What is 144÷12?

12

200

What is 56÷8

7

300

72÷9=

8

400

What is the result of 56÷7?
a. 6
b. 7
c. 8
d. 9

c. 8 

500

If a tank holds 500 liters and is filled at a rate of 25 liters per minute, how long will it take to fill?

20

Random

100

If you buy 3 books at $15 each, how much do you spend?

45

200

Which equation shows the associative property of multiplication?
a. (2+3)+4=2+(3+4)(2+3)+4=2+(3+4)

b. 5×(6+7)5×(6+7) 

c. 3×5=5×33×5=5×3 

d. 7+8=8+77+8=8+7   

a. (2+3)+4=2+(3+4)(2+3)+4=2+(3+4)

300

 Using the associative property, how would you simplify (2×3)×4(2×3)×4?
a. 2×(3×4)2×(3×4)
b. 2+3+42+3+4
c. 3×(2+4)3×(2+4)
d. 2×3+42×3+4

a. 2×(3×4)2×(3×4)

400

If (2×5)×3=30(2×5)×3=30, what property is being used? 

• A) Distributive
• B) Associative
• C) Identity

• B) Associative

500

 A car travels 60 miles per hour for 2 hours. How far does it go?

120