True/False
Adding Decimals
Subtracting Decimals
Place Value
Mystery Question
100
When adding and subtracting decimals, you always include the decimals.

True

100

3.1 + 5.1 = 

8.2

100

20.8 - 7.3=

13.5

100

3.49

what is the place value of the 4?

tenths

100

Which day of the week is Thanksgiving celebrated on?

Thursday

200

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

False

200

14.7+15.1=

29.8

200

34.6 - 27.9=

6.7

200

1.356

What place value is the 1 on?

ones

200
What is 34.561 rounded to the nearest whole number?

35

300

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

False

300

3 + 4.5=

7.5

300

15.2- 0.4=

14.8

300

4.346

What place value is the 6 in?

thousandths 

300

How many legs does a spider have?

8

400

When adding and subtracting decimals you put the bigger number on top.

True

400

17.82 + 3.66=

21.48

400

6 - 2.3=

3.7

400

123.53

What place value is the 2 in?

tens

400

What is 32.76 rounded to the nearest tenth?

32.8

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! 

500

11.7 + 2.81=

14.51

500

1124.9 - 567.80=

557.1

500

18294.372

What place value is 7 in?

Hundredths

500

What college did Mrs. Doyle go to?

Seton Hall University

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