Topic 5
360 ÷ 40
9
Find the common denominator: 3/7 and 1/4
28
Find the common denominator: 1/12 and 3/8
24
4 X 1/2
2
4 X 3/4
3
Estimate: 168 ÷ 45
4
Estimate the sum: 2/3 + 5/6
2
Estimate the difference: 5/8 - 1/6
1/2
A soccer coach gives each player 1/2 liter of water at halftime. If there are 11 players, how many liters does he need?
5 & 1/2 liters
Marco weighs 80 lbs. His bones make up about 1/5 of his body weight. How much do his bones weigh?
16 lbs
Ivan uses 30 craft sticks to make each toy cabin. He has a box of 342 craft sticks. How many toy cabins can he make, and how many sticks will be left?
11 cabins; 12 sticks
Find the sum: 2/5 + 3/10
7/10
Find the difference: 3/4 - 5/12
4/12 or 1/3
8/5 X 3/4
1 & 1/5 or 1 & 4/20
2/3 X 1/3
2/9
5,825 ÷ 42
138 R29
Estimate the difference: 8 & 5/6 - 2 & 1/2
6 & 1/2 or 6
Estimate the sum: 11 & 5/12 + 7/8
10 or 10 & 1/2
Estimate, then find the product: 2 & 1/3 X 4 & 1/5
8; 9 & 4/5 or 9 & 12/15
Estimate, then solve: 3 & 3/5 X 2 & 5/7
12, 9 & 27/35
A high-rise apartment building has 15 floors with 26 apartments on each floor. There are 3 kinds of apartments in the building: 1-, 2, and 3-bedroom. The building has the same number of each kind of apartment. How many of each are in the building?
130 of each apartment
Last year Mia planted a tree that was 5 & 11/12 feet tall. This year the tree is 7 & 2/3 feet tall. How many feet did the tree grow?
1 & 3/4 or 1 & 9/12
5 & 1/2 + 2 & 1/8
7 & 5/8
John has 1 & 1/2 hours of homework each day from Monday through Thursday and 2 & 3/4 hours over the weekend. How much homework does he have in a week?
8 & 3/4 hours
Elle is buying new flooring for her kitchen and laundry room. She knows that the area of the kitchen is 132 square feet. The laundry room is 8 & 1/3 feet by 6 & 3/4 feet. What is the total area of the two rooms?
188 & 1/4 sq. ft. or 188 & 3/12 sq. ft.