Convert
12/3
4
Is the sum reasonable? Use estimation to check.
1/4 + 5/6 = 3/4
No, the sum should be greater than 1
1/2 + 4/5
13/10 or 1 3/10
2/3 - 1/7
11/21
Sheridan and Natalie are shucking corn. Sheridan shucks 6 5/8 pounds of corn. Natalie shucks 2 3/4 pounds of corn less than Sheridan. How many pounds of corn did they shuck in all?
10 4/8 or 10 1/2 pounds of corn
15/6
2 3/6
Will the sum be greater than 1 or less than 1? Use estimation.
3/5 + 1/4
3/5 is about 1/2
1/4 is close to 0
The sum will be less than 1.
1/4 + 3/5
17/20
4/9 - 1/3
1/9
Zara mixed 2/7 pound grapes and 5/6 pound strawberries for a snack. How much more strawberries did Zara use than grapes?
23/42 lb.
3 1/5
16/5
Is the difference reasonable? Use estimation to check.
7/10 - 2/5 = 1/2
Yes, the difference should be close to 1/2
3/7 + 1/3
16/21
6/11 - 1/4
13/44
Allison buys 4 1/3 pounds of tomatoes. She uses 2 4/5 pounds of tomatoes to make a salad. How many pounds of tomatoes does Allison have left?
1 8/15 pounds
12/8
1 4/8 or 1 1/2
There is 7/8 gallon of milk in Zelda's refrigerator. Zelda and her brother drink 1/3 gallon of milk. About how much milk is left?
About 1/2 gallon of milk is left
3 2/5 + 2 1/3
5 11/15
5 4/8 - 2 3/4
2 3/4
Marcus is training for a marathon. All marathons are 26 1/5 miles. Yesterday, he ran 3/8 of a marathon and today he ran 4/7 of a marathon. What fraction of a marathon did he run altogether?
53/56 of a marathon
2 5/7
19/7
Dan waters his plants with 2/3 cup of water on Monday and 2/3 cup of water on Friday. Does Dan use more than 1 cup of water in all? Explain why or why not.
Yes, 2/3 is greater than 1/2, so the sum would be greater than 1.
4 2/3 + 3 3/4
8 5/12
10 1/2 - 8 2/3
1 5/6
Corben runs 4 1/2 miles on Monday, 6 3/10 miles on Tuesday, and 5 4/5 miles on Wednesday. How many total miles did Corben run?
16 6/10 or 16 3/5 miles