Show:
True/False
Adding Decimals
Subtracting Decimals
Multiplying Decimals
Dividing Decimals
100

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

True

100

26.43 + 7.19


33.62

100

1.23-1.11=

0.12

100

.24 x .7 

.168

100

4,368 divided by 24

182

200

When dividing decimals, if there is a decimal in the dividend it ALWAYS just goes straight up into the quotient (answer)

False

200

8.009 + 6.5


14.509

200

5.23-0.1=

5.13

200

0.85 x 0.02


.017

200

1,275 divided by 40

31.875

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

.22 x .44=

.0968

300

18.4 divided by 16

1.15

400

When subtracting decimals you put the bigger number on top.

True

400

17.82 + 3.66=

21.48

400

8.613 -7.258


1.355

400

6.32 x 3

18.96

400

8.64 divided by 0.24

36

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

What is the trick when multiplying decimals by powers of 10? What is the trick when dividing by powers of 10?

Move the decimal to the right when multiplying. Move the decimal to the left when dividing. 

500

Write down " I Love Math" for 500 points 

I LOVE MATH!