LCM
Adding
Subtracting
Story Problems
Estimating
100
What is the LCM of 3 and 4?
12
100
Solve this problem: 7/9 + 1/6
17/18
100
Solve this problem: 2/3 - 5/12
3/12 OR 1/4
100
A recipe calls for 1 1/3 cups of strawberries and 1/4 cup of blueberries. How many cups of berries will she need in all?
1 7/12 cups
100
Estimate the difference:
14/15 − 5/12
About 1/2
200
Which denominator could be used to write equivalent fractions when Subtracting 9/12 and 3/6?
12
200
Solve this problem: 1 3/4 + 3 1/8
4 7/8
200
Solve this problem:
9/10 - 2/3
7/30
200
Sandy had 2 1/3 candy bars. She told her brother she would give him 1/2 of one of her candy bars. How much will she have left?
11/6 or 1 5/6 of the candy bar left
200
Estimate the difference:
2 1/3 + 1 2/4
About 4
Real answer 3 10/12
300
What is the LCM when adding 2/10 and 1/5?
10
300
Solve this problem:
2 6/20 + 3 1/2
5 16/20
300
Solve this problem: 8 9/10 - 4 3/5
43/10
300
Matt went running on four days. The table shows the distance he ran each day.
On which two days did Matt run an estimated distance that is closest to 3 miles?
Sunday and Wednesday
300
Estimate the difference:
4 2/5 + 2 8/10
About 7
Real answer 6 12/10 or 7 2/10
400
Which denominator could be used to write equivalent fractions when adding 3/8 and 5/6?
24
400
Show by drawing a model and solving
1/4 + 2/3
400
Show by drawing a model and solving
4/6 - 1/2
1/6
400
Cara and Marcus shared a candy bar. The models below show the fraction of the candy bar that each of them ate.
What fraction of the candy bar did Cara and Marcus eat altogether?
11/12
400
Your mom gave you 7/8 of a bag of candy. She gave your sister 1 1/12 of the same size bag of candy. About how much would you have if you combined your candy?
About 2 bags,
Real answer 1 23/24
500
What is the LCM when Subtracting 4/7 and 8/11?
77
500
BONUS:
Ernie walked 1 1/4 miles from his cabin to a park, then 1 1/2 miles around the park, then back to his cabin. How many miles did he walk?
4 miles
500
Solve this problem:
5 2/3 - 2 5/6
2 5/6
500
Ms.Radlove has 8 cups of flour. She uses 3 3/4 cups of flour to make muffins. How much flour does she have left?
4 1/4 cups of flour left
500
BONUS: Convert this Improper fraction into a mixed number
129/4
32 1/4