Show:
True/False
Adding Decimals
Subtracting Decimals
Add or Subtract Decimals
100

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

False

100

8.009 + 6.5


14.509

100

5.23-0.1=

5.13

100

1.944-1.174

0.77

200

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

False

200

0.79 +0.45


1.24

200

27.81-5.62

22.19

200

9.423+3.231

12.654

300

When subtracting decimals you don't need to line up the place values

Falso

300

17.82 + 3.66=

21.48

300

8.613 -7.258


1.355

300

4.448-2.999

1.983

400

When adding and subtracting decimals, you have to estimate your answer. 

False! But, it's a good way to check your work

400

111.7 + 102.81=

214.51

400

105.65-62.33=

43.32

400

6.290+8.980

15.27