Round Decimals
Estimate Sums and Differences
Add Decimals
Subtract Decimals
Addition Properties
100

Round 5.476 to the nearest hundredth

5.48

100

Round each decimal to the nearest one. Then add or subtract:

10.08 + 5.6

16

100

2.4 + 0.5

2.9

100

5.5-3.2

2.3

100

The Commutative Property states that the _____ in which numbers are added does not change the sum

order

200

Round 4.35 to the nearest tenth

4.4

200

Round each decimal to the nearest one. Then add or subtract:


8.058 - 3.181

5

200

1.52 + 0.37

1.89

200

8-5.78

2.22

200

What addition property is shown?

60+9+20+2= 60+20+9+2

Commutative

300

Round 19.25 to the nearest one

19

300

Round each decimal to the nearest ten. Then add or subtract:

32.56 + 6.7

40

300

44.2 + 33.1

77.3

300

15.00-6.24

8.76

300

The Associative Property states that the way in which numbers are ______ does not change the sum

grouped

400

Round 9.045 to the nearest tenth

9.0

400

Round each decimal to the nearest ten. Then add or subtract:


37.58 - 21.25

20

400

42.2 + 7.69

49.89

400

42.28-1.52

40.76
400

The Identity property of addition states that the sum of any number and _____ equals the same number

0

500

Round 983.625 to the nearest hundredth

983.63

500

Round each decimal to the nearest ten. Then add or subtract:

83.69 - 55.41

20

500

35.08 + 11.9

46.98

500

58.67-28.72

29.95

500

Which addition property is shown below?

26+37+53= 26+(37+53)

Associative