True/False
Adding Decimals
Subtracting Decimals
Add or Subtract Decimals
Rounding Decimals
100

When adding and subtracting decimals, you always include the decimals.

True

100

26.43 + 7.19 =


33.62

100

1.23 - 1.11 =

0.12

100

3.89 + 1.12 =

5.01

100

Round 17.11 to the nearest tenth

17.1

200

When adding and subtracting decimals, you always put the longer number on top.

False

200

8.09 + 6.5 =


14.59

200

5.23 - 0.1 =

5.13

200

1.19 - 0.79 =

0.4

200

Round 19.558 to the nearest hundredth

19.56

300

When adding and subtracting decimals, you ignore the decimal points.

False

300

0.79 + 0.45 =


1.24

300

27.81 - 5.62 =

22.19

300

9.4 + 3.23 = 

12.63

300

Round 63.95 to the nearest whole number

64

400

When subtracting decimals you put the bigger number on top.

True

400

17.82 + 3.66=

21.48

400

8.61 - 7.25 =


1.36

400

4.44 - 2.99 =

1.45

400

Round 82.399 to the nearest hundredth

82.40

500

When adding and subtracting decimals, you count how many numbers are behind the decimals in the problem and put that in your answer.

False! That's for multiplying!

500

111.7 + 102.81=

214.51

500

105.65 - 62.33 =

43.32

500

6.290 + 8.980 =

15.27

500

Round 5.971 to the nearest tenth

6