Order of Operations
Associative, Commutative, and Distributive Properties
Multiplying Decimals
Dividing with a Decimal Remainder
Dividing by 10, 100, and 1000
100

15 + 6 x 4 - 12 / 3

35

100

Use the associative property to do the following operation:

12 + 15 + 8 + 9

(12 + 15) + 8 + 9= 44 or 


12 + (15 + 8) + 9= 44 or


12 + 15 + (8 + 9)= 44


100

36.8 x 6.9 = ?

253.92

100

687 / 15

45.8

100

3209 / 10

320.9

200

5 x (17-11) / 3 + 42

26

200
Use the commutative property to solve the following:


7 + 20 + 8 + 9

20 + 9 + 7 + 8 = 44 or

8 + 7 + 9 + 20 = 44 or

9 + 8 + 20 + 7 = 44

200

683.8 x 7.4 = ?

5060.12

200

3426 / 12

285.5

200

3468 / 100

34.68

300

12 x 3 / 9 + (15-2) x 3

43

300

Use the distributive property to solve the following:

5 x (6 + 3 + 2)

(5 x 6) + (5 x 3) + (5 x 2) = 55

300

132.6 x 5.3 = ?

702.78

300

5800 / 32

181.25

300

32 188 / 1000

32.188

400

2 + 5- 3 x 6 + 5

14

400

Use the distribute property to solve the following:

(15 - 7 - 5) x 2


(2 x 15) - (2 x 7) - (2 x 5) = 6

400

76.7 x 20.7 = ?

1587.69

400

9888 / 20

494.4

400

254 / 1000

0.254

500

(8 + 3 + 23 - 4 x 4) x 3

9

500

True or False?

2 + 6 x 8 = (2 + 6) x 8

2 + 48 = 50

8 x 8 = 64

FALSE

500

0.5 x 12.9 = ?

6.45

500

4654 / 8

581.75

500

9830 / 10 000

0.983