Common Denominators/Simplest Form/Estimation
Choose a denominator that can be used for the fractions 2/3 & 4/7
Sample Answers: 21, 42, 63...
Solve.
3 1/2 + 2 3/4
6 1/4
Solve.
2/3 x 1/2
2/6 or 1/3
Solve.
4 divided by 1/2
8
A construction worker has 9 pounds of nails and wants to divide them equally into 5 containers. How many pounds of nails will be in each container? Write your answer as a mixed number.
1 4/5
Write 36/48 in simplest form
3/4
Solve.
7/9 - 2/3
1/9
Solve.
4/5 x 2/3
8/15
Solve.
1/3 divided by 3
9
Gia and her 4 friends bought 2 bags of popcorn. They want to share the popcorn evenly, what fraction of the popcorn will each person get?
2/5 popcorn
Luke is building a block tower. One tower is 2 2/3 feet tall. The other tower is 3 1/5 feet tall. ABOUT how tall are both towers combined? Make an ESTIMATE to decide how tall it is.
3 + 3 =6
Solve.
1/6 + 11/12 + 4/6
21/12 = 1 9/12 = 1 3/4
Solve.
10 x 2/5
4
Solve.
1/8 divided by 4
1/32
Write an expression to match the number story:
Cameron has 9 toy cars. 2/3 are blue. How many cars are blue?
9 x 2/3
Which set of fractions all have a common denominator of 20?
A) 5/10, 3/4, 2/3
B) 1/2, 1/5, 2/10
C) 6/2, 4/5, 3/8
B
Solve.
5 7/12 - 3 5/6
1 3/4
Solve.
2 3/4 x 1 1/2
4 1/8
Solve.
8 divided by 1/6
48
Write an expression that matches the following number story. Then solve.
5 friends share 1/4 of a pan of lasagna.
1/4 divided by 5 = 1/20 pan of lasagna
RJ is building a play pen. One side is 5 1/4 feet long and the other side is 6 7/8 feet long.
Without calculating the exact number, use BENCHMARKS to estimate the total of the two sides of the play pen.
5 + 7 = 12 feet
Solve.
7/8 - 1/3 + 1/2
25/24 or 1 1/24
Solve.
5 1/4 x 2/5 x 6 1/12
12 31/40
A jello pudding recipe calls for 4 cups of whipped cream. You can only find the 1/4-cup measuring cup. How many 1/4 cups do you need for the whipped cream?
16 cups
Write a fair share division number story with an answer of 7/8
Answers vary