Show:
True/False
Adding Decimals
Subtracting Decimals
place value
Rounding
100
When adding and subtracting decimals, you always include the decimals.

True

100

3.1 + 5.1 = 

What is 8.2?

100

20.8 - 7.3=

What is 13.5?

100

3.49

what is the place value of the 4?

4 tenths

100

Round to the nearest whole number? 

12.43

12

200

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

False

200

14.7+15.1=

What is 29.8?

200

34.6 - 27.9=

What is 6.7?

200

1.356

What place value is the 1 on?

1 whole

200

Round to the nearest 0.1 (tenth)

284.453

284.5
300

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

False

300

3 + 4.5=

What is 7.5?

300

15.2- 0.4=

What is 14.8?

300

4.346

What place value is the 6 in?

6 thousandths 

300

round to the nearest .01 (hundredth)

802.025

802.03

400

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

True

400

17.82 + 3.66=

What is 21.48?

400

6 - 2.3=

What is 3.7?

400

123.53

What place value is the 2 in?

tens place making 20

400
Round to the nearest 0.001 (thousandth)

90.093

90.090

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=

What is 14.51?

500

1124.9 - 567.80=

What is 557.1?

500

18294.372

What place value in 1 in?

10,000