Decompose Unit fractions
Decompose
Adding
Subtracting
Word problems
100

What is a Unit fraction? 

A fraction that has a 1 in the numerator


100

Decompose the fraction. 

5/6 

Various answers. All correct if the numerator adds to 5 and the denominator says 6. 


100

Add the following two fractions.

1/5 + 3/5 

4/5 


100

Subtract the following fractions. 

5/6 - 2/6 

3/6 

100

Todd ran 3/10 of a mile and Jack ran 8/10 of a mile. How much longer did Jack run than Todd. 

5/10 

200

Decompose the following fraction into unit fractions.

3/4 

1/4 + 1/4 + 1/4 

200

Decompose the following fraction.

7/8 

Multiple correct answers.

200

Add the following.

3/9 + 5/9 

8/9 

200

Subtract the following.6/10- 2/10 

4/10 

200

At Nasa, 5/8 of the staff are male and 3/8 pf the staff are female. How many more male employees are there than female. 

5/8-3/8=2/8

300

Decompose the following fraction into unit fractions.

6/8 

1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8  

300

Decompose the following fraction. 

5/8

300

Add the following

3/4 +2/4 

5/4 


300

Subtract the following.

9/4 - 3/4 

6/4

300

Sara ate 5/8 of the pizza and Dan ate 2/8 of the pizza. How much of the pizza is left over. 

1/8 

400

Decompose the following fraction into unit fractions.

9/12 

1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12 

400

Decompose the following fraction. 

8/3 

Multiple correct answers

400

Add the following.

5/6 +4/6 

9/6 

400

Subtract the following. 

3 4/5 - 1 2/5 

2 2/5 

400

The zoo is open for 4/10 of a day on Friday and 9/10 of the day of Saturday. How much total time is the zoo open on the weekend. 

13/10 

500

Decompose the following fraction into unit fractions. 9/4 

1/4 + 1/4 + 1/4 + 1/4 + 1/4 + 1/4 + 1/4 + 1/4 + 1/4 

500

Decompose the following fraction.

5 3/4

Multiple correct answers 

500

Add the following. 

1 2/4 + 1 1/4 

2 3/4

500

Subtract the following. 

5 2/6 - 2 1/6 

3 1/6 

500

At the aquarium the staff is feeding the fish. in the morning the fish get fed 2/10 of a ton. At lunch they get fed 1/10 more than in the morning. At night they get fed double what they get fed at lunch. How much do the fish get fed at night. (hint: Multiple steps) 

6/10

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