Decimals and Fractions +/-

Vocabulary

100

the number above the line in a fraction that tells the number of equal parts that are being described

What is a numerator?

200

the number below the line in a fraction that tells the number of equal parts in the whole

What is a denominator?

300

a number that names equal parts of a whole

What is a fraction?

400

a number that is a common multiple of the denominators of two or more fractions

What is a common denominator?

500

two or more different fractions that name the same part of a whole or the same point on a number line

What is an equivalent fraction?

Adding Decimals

100

6.7 + 0.54

What is 7.24?

200

102.3 + 4.89

What is 107.19?

300

0.279 + 0.934

What is 1.213?

400

Hannah has $40.86. She earns $15.50 from babysitting on Saturday. How much money does she have now?

What is $56.36?

500

Allison buys 2.4 pounds of potatoes, 4.03 pounds of onions, and 3.8 pounds of peppers. How many pounds of produce did she buy in all?

What is 10.23 pounds?

Subtracting Decimals

100

12.82 - 5.1

What is 7.72?

200

84.03 - 7.9

What is 76.13?

300

200 - 45.6

What is 154.4?

400

0.07 - 0.025

What is 0.045?

500

Jason has $60. He buys a video game for $34.98. How much money does he have left?

What is $25.02?

Adding Fractions

100

1/3 + 1/6

What is 

3/6?

200

2 2/6 + 1 1/12

What is 

3 5/12?

300

2/3 + 3/4

What is 

1 5/12?

400

4 1/3 + 3 2/5

What is 

7 11/15?

500

5 1/2 + 2 5/8

What is 

8 1/8?

Subtracting Fractions

100

4/5 - 2/10

What is 

6/10?

200

4/5 - 1/3

What is 

7/15?

300

8 3/4 - 4 1/2

What is 

4 1/4?

400

5 1/3 - 2 5/6

What is 

2 3/6?

500

7 2/3 - 3 8/9

What is 

3 7/9?