True/False
Adding Decimals
Subtracting Decimals
Multiplying Decimals
Simplifying Fractions
100

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

True

100

3.14 + 5.12 = 

8.26

100

20.8 - 7.34=

13.46

100

5 x 4.21=

21.05

100

5/ 10

1/2

200

When adding and subtracting decimals, you put the number with the greatest value on the bottom. 

False 

200

14.73+15.1=

29.83

200

34.63 - 27.9=

6.73

200

8.76 x 2.9=

25.404

200

12/ 20

3 / 5

300

When multiplying decimals, the amount of decimal places in your factors determines how many decimal places will be in your product. 

True 

300

3 + 4.55=

7.55

300

15- 0.48=

14.52

300

10.38 x 6.4=

66.432

300

10 / 25

2 / 5

400

When adding and subtracting decimals, you always put the number with more digits on top.

False 

400

17.82 + 3.66=

21.48

400

6 - 2.33=

3.67

400

12.96 x 3=

38.88

400

26/28

13/14

500

When adding and subtracting decimals, you count how many numbers are behind the decimals in the problem and put the same number of decimal places in your answer.


False! That's for multiplying!

500

11.7 + 2.81=

14.51

500

1.09 - 0.87=

0.22

500

32.9 x 1.2=

39.48

500

1,000,000 / 5,000,000

1 / 5