Decomposing Fractions
How can you decompose 5/8 with three addends?
1/8 + 2/8 + 2/8
Teacher will check work.
What is 2/7 + 3/7?
5/7
What is 5/8 minus 2/8?
3/8
If Lily had 1/4 of a cake and ate 1/4 more, how much cake has she eaten?
2/4
What is 1 2/3 + 2 1/3?
4
How can you decompose 1 whole and 3/4?
1+ 1/4 + 1/4 + 1/4
Teacher will check the rest of the answers.
Calculate 5/9 + 1/9.
6/9
Subtract 3/10 from 9/10.
6/10
Mark has 3/5 of a pizza and gives away 2/5. How much pizza does he have left?
1/5
Subtract 1 2/4 from 3 2/4.
2
What are two different ways to decompose 6/9?
3/9 + 3/9
1/9 + 5/9
Teacher will check the rest.
Add 8/11 and 2/11.
10/11
Calculate the difference between 7/12 and 5/12.
2/12
Sarah ran 2/3 of a mile on Monday and 1/3 of a mile on Tuesday. How far did she run in total?
3/3 of a mile or 1 whole mile
Calculate the sum of 4 1/5 and 2 3/5.
6 wholes and 4/5
Write 6/6 as a sum of unit fractions.
1/6+ 1/6+ 1/6+ 1/6 + 1/6 + 1/6 = 6/6
Find the sum of 7/13 and 4/13.
11/13
Find 11/16 minus 6/16.
5/16
A tank is 3/4 full of water. If 1/4 of the water is used, how full is the tank now?
2/4 of the water is left, or 1/2
Find 5 5/6 minus 2 4/6.
3 whole and 1/6
Ms. Meier cuts an apple into eighths. She eats 3/8 of the apple and gives the rest to her son and daughter. Describe two ways her son and daugter can share the rest of the apple if they each have some of the apple.
2/8 + 3/8 = 5/8
1/8 + 4/8= 5/8
Add 9/15 and 8/15, and simplify your answer as a mixed number.
17/15 which is equal to 1 whole and 2/15
Subtract 5/14 from 12/14 and simplify your answer.
7/14 which is simplified to 1/2
John had 4/6 of a chocolate bar and gave 1/2 of it to his friend. How much of the chocolate bar does he have left?
2/6
Add 3 1/3 and 4 2/3, then simplify your answer.
7 and 3/3 or 8 wholes