Decimals Review: Topic 2/3

Properties

100

Which property is this an example of: .2+.3=.3+.2

Commutative Property

200

What property is this an example of: (.8+.3) + .2 = (.8+.2) + .3

Associative Property

300

What property is this an example of: (4x75) + (6x75) = 10x75

Distributive Property

400

True or False. The associative and commutative properties work for addition, subtraction, and multiplication

FALSE: They do not work for subtraction

500

Use the distributive property to rewrite this equation: (7x35)+(5x10)+(3x35)

(10x35)+(5x10)

Adding Decimals

100

26.43 + 7.19 =

33.62

200

8.09 + 6.5 =

14.59

300

0.79 + 0.45 =

1.24

400

17.82 + 3.66=

21.48

500

111.7 + 102.81=

214.51

Subtracting Decimals

100

1.23 - 1.11 =

0.12

200

5.23 - 0.1 =

5.13

300

27.81 - 5.62 =

22.19

400

8.61 - 7.25 =

1.36

500

105.65 - 62.33 =

43.32

Add or Subtract Decimals

100

3.89 + 1.12 =

5.01

200

1.19 - 0.79 =

0.4

300

9.4 + 3.23 = 

12.63

400

4.44 - 2.99 =

1.45

500

6.290 + 8.980 =

15.27

Rounding Decimals

100

Round 17.11 to the nearest tenth

17.1

200

Round 19.558 to the nearest hundredth

19.56

300

Round 63.95 to the nearest whole number

64

400

Round 82.399 to the nearest hundredth

82.40

500

Round 5.971 to the nearest tenth

6