Benchmarks
Estimate the sum or difference by using benchmark fractions
4/9 + 3/7
1
5/9 + 1/2
1 1/18
8/9 - 5/6
1/18
Mrs. Pierson has 3 pizzas to share equally among 4 children. What fraction of a pizza does each child get
Each child gets 3/4 of a pizza
Charlotte buys 8/9 pound of ground turkey. She uses 3/4 pound of ground turkey to make meatballs. How many pounds of ground turkey are left?
Charlotte has 5/36 pound of ground turkey left.
Estimate the sum or difference by using benchmark fractions
5/8 + 1/9
1/2
2/5 + 5/6
1 7/30
11/12 - 7/8
1/24
Megan buys 9 pounds of berries and shares them equally with 4 of her friends. How many pounds of berries does each person receive?
Each person receives 1 4/5 pounds of berries.
Mrs. Pierson spent 1/4 of her money on Monday and 7/10 on Tuesday. What fraction of her money did Mrs. Pierson spend?
Mrs. Pierson spent 19/20 of her money.
Estimate the sum or difference by using benchmark fractions
6/7 - 1/8
1
3 5/12 + 1 2/3
5 1/12
3 1/3 - 1 3/8
1 23/24
Sally has a length of ribbon that is 10 feet long. She wants to divide it into 4 equal pieces. How long will each piece be?
Each piece will be 2 1/2 feet long.
Lisa has 1 2/9 pounds of peaches. She buys another 2 1/6 pounds of peaches. How many pounds of peaches does Lisa have now?
Lisa has 3 7/18 pounds of peaches.
Estimate the sum or difference by using benchmark fractions
2/10 - 3/12
0
5 7/12 + 1 3/4
7 1/3
4 5/9 - 3 5/6
13/18
Mrs. Jackson has 63 pounds of dirt to put in flower beds. She wants to divide the dirt between 12 flower beds. How much dirt will go in each flower bed?
Each flower bed will get 5 1/4 pounds of dirt.
Valerie made 5 1/2 pints of lemonade to sell at her funfair booth. She sold 1 1/4 pints in the morning and 2 5/6 pints in the afternoon. How much lemonade did she have left?
Valerie had 1 5/12 pints of lemonade left
Estimate the sum or difference by using benchmark fractions
7/9 + 9/11
2
7 8/9 + 9 5/12
17 11/36
5 1/3 - 3 5/12
1 11/12
Mrs. Pierson has 4 gallons of lemonade. She wants to split the lemonade between 8 pitchers. How much lemonade will be in each pitcher?
Each pitcher will contain 1/2 gallon of lemonade.
Mrs. Jackson bakes some muffins. She sold 2/7 of the muffins on Monday. She sold 1/3 more of the muffins on Tuesday than she did on Monday. What fraction of the muffins did Mrs. Jackson sell on the two days
Mrs. Jackson sold 19/21 of the muffins on the two days.