Show:
True/False
Adding Decimals
Subtracting Decimals
Adding and Subtracting Decimals
Place Value
100

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

True

100

3.14 + 5.12 = 

What is 8.26?

100

20.8 - 7.34=

What is 13.46?

100

12.46 + 3.8=

16.26

100

What number is in the hundredths place


45.67

What is 7?

200

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

False

200

14.73+15.1=

What is 29.83?
200

34.63 - 27.9=

What is 6.73?

200

4.5 - 3.79=

What is 0.71?

200

What number is in the ones place value?

23.09

What is 3?

300

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

False

300

3 + 4.55=

What is 7.55?

300
Subtract 5.83 from 8.32

2.49

300

9.38 - 0.19=

What is 9.19?

300

What number is in the tenths place.


9.12

What is 1?

400

When adding and subtracting decimals you add ZEROS for empty place values

True

400

17.82 + 3.66=

What is 21.48?

400

6 - 2.33=

What is 3.67?

400

2.13 + 0.9=

What is 3.03?

400

What number is in the tens place.


76.9

What is 7?

500

When adding and subtracting decimals, rounding allows you to check to see if your answer is reasonable.

False.

Estimating is what you do to check to see if your answer is reasonable

500

11.7 + 2.81=

What is 14.51?

500

32 - .058 = 

31.942


500

10.21 - 5.6=

What is 4.61?

500

When you read a number with a decimal, what do you say when you see the decimal?

AND (POINT is also acceptable)