True/False
Adding Decimals
Subtracting Decimals
Add or Subtract Decimals
Place Value
100

When adding and subtracting decimals, you always include the decimal in your answer.

True

100

3.7 + 6.4


10.1

100

1.2-1.1=

0.1

100

3.8+1.1

4.9

100

What digit is in the ones place?

73,469.58


9

200

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

False

200

8.91 + 6.58


15.49

200

5.25-0.17=

5.08

200

1.9-1.1

0.8

200

What digit is in the tenths place?

653.70

7

300

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

False

300

43.7 +7.49


51.19

300

27.8-5.6

22.2

300

9.4+3.2

12.6

300

What place value is the 3 in?

3,087

Thousands

400

When subtracting decimals, you put the bigger number (in value) on top.

True

400

17.8 + 3.6=

21.4

400

73.78 - 38.1

35.68

400

14.4-2.56

11.84

400

What is the place value of the 3?

10.3

Tenths

500

When adding and subtracting decimals, you line up the numbers ignoring the decimal point. 

False! 

500

67.53 + 23.1

90.63

500

29 - 15.31

13.69

500

36.2+8.95

45.15

500

What is the value of the digit 8?

72,846

800