Add & Subtract Fractions
Subtraction with Renaming Fractions
Multiply Fractions
Divide Fractions
Double Jeopardy
100
Subtract and simplify
.
3/28
100
Subtract and simplify.
1 3/4
100
a. 3/5 × 11=
b. 7/8 x 4/5 =
a. 6 3/5
b. 7/10
100
Jason has 2 pizzas that he cuts into fourths. How many 1/4-size pizza slices does he have?
8 one-fourth-size pizza slices
100
Mr. Barber used 7/9 yard of wire to put up a ceiling fan. He used 1/3 yard of wire to fix a switch. How much wire did Mr. Barber use to put up the ceiling fan and fix the switch combined?
1 1/9 yards
200
Add and simplify.
3/4
200
Subtract and simplify.
9 11/30
200
17 2/3 × 13 1/2 =
238 1/2
200
8 girls share 5 fruit bars equally. What fraction of a fruit bar does each girl get?
5/8 of a fruit bar
200
On Friday, 1/6 of band practice was spent trying on uniforms. The band spent 1/4 of practice on marching. The remaining practice time was spent playing music. What fraction of practice time was spent playing music?
7/12
300
Aisha painted for 5/6 hour in the morning and 2 1/5 hours in the afternoon. Estimate how long Aisha painted in the morning and afternoon combined.
3 hours
300
Three commercials are played in a row between songs on the radio. The three commercials fill exactly 3 minutes of time. If the first commercial uses 1 1/6 minutes, and the second uses 3/5 minute, how long is the third commercial?
1 7/30 minutes
300
Kadeem is making two drawings of an oak leaf. The dimensions of the first drawing will be 1/3 of the dimensions of the leaf. The dimensions of the second drawing will be 2 1/2 the dimensions of the leaf. If the length of the oak leaf is 5 1/2 inches, will the length of each drawing be equal to, greater than, or less than 5 1/2 inches?
The length of the first drawing will be less than 5 1/2 inches greater than 5 1/2 inches.
The length of the second drawing will be greater than 5 1/2 inches.
300
8 students share 12 mini oatmeal muffins equally and 6 students share 15 mini apple muffins equally. Carmine is in both groups of students. What is the total number of mini muffins Carmine gets?
Carmine gets 4 muffins.
300
The United States government owns land in every state. The amount of land that is owned varies from state to state. Some government-owned land is used for military bases and national parks.
The government owns 45 3/10 percent of California’s land, but owns only 2/5 percent of Connecticut’s land. What is the difference in the percentages of government owned land in California and Connecticut?
44 9/10 percent
400
Tom has 7/8 cup of olive oil. He uses 1/2 cup to make salad dressing and 1/4 cup to make tomato sauce. How much olive oil does Tom have left?
1/8 cup
400
Carlene bought 8 1/16 yards of ribbon to decorate a shirt. She only used 5 1/2 yards. How much ribbon does she have left over?
2 9/16 yards
400
Mrs. Rodriguez has 18 packages of pens in stock at her store on Monday. On Tuesday, she has 5/6 the number of pens she had on Monday. On Wednesday, she has 2/5 of the number of pens she had on Tuesday. How many packages of pens does she have on Wednesday?
6 packages of pens
400
Mrs. Lia has 12 pounds of modeling clay. She divides the clay into 1/2-pound blocks. If Mrs. Lia sets aside 6 of the blocks and gives the rest to the students in her art class, how many 1/2-pound blocks of clay does Mrs. Lia give to her class?
18 1/2-pound blocks of clay
400
At Trace State Park in Mississippi, there is a 40-mile mountain bike trail. Tommy rode 1/2 of the trail on Saturday and 1/5 of the trail on Sunday. He estimates that he rode more than 22 miles over the two days. Is Tommy’s estimate reasonable? Why or Why not?
Possible answer: The estimate is reasonable because 1/2 of 40 is 20 and Tommy rode 1/2 of the trail just on Saturday.
500
Lisa and Valerie are picnicking in Trough Creek State Park in Pennsylvania. Lisa has brought a salad that she made with 3/4 cup of strawberries, 7/8 cup of peaches, and 1/6 cup of blueberries. They ate 11/12 cup of salad. About how many cups of fruit salad are left?
about 1 cup
500
Sea turtles are large, air-breathing reptiles that spend most of their life in warm tropical waters. All seven species of sea turtles are on the endangered species list. The leatherback turtle shell grows to an average length of 6 feet. The flatback turtle shell grows to an average length of 3 1/4 feet.
What is the difference between the average length of a leatherback turtle shell and the average length of a flatback turtle shell?
2 3/4 ft
500
Cara's muffin recipe calls for 1 1/2 cups of flour for the muffins and 1/4 cup of flour for the topping. If she makes 1/2 the original recipe, how much flour will she use?
7/8 cup
500
Write an equation to represent the problem. Then solve.
Benito has 1/3 kilogram of grapes. He divides the grapes equally into 3 bags. What fraction of a kilogram of grapes is in each bag?
1/3 / 3 = 1/9 kilogram
500
An amusement park in Sandusky, Ohio, offers 17 amazing roller coasters for visitors to ride. One of the roller coasters runs at 60 miles per hour and has 3,900 feet of twisting track. This coaster also has 3 trains with 8 rows per train. Riders stand in rows of 4, for a total of 32 riders per train.
The operators of the coaster recorded the number of riders on each train during a run. On the first train, the operators reported that 7 1/4 rows were filled. On the second train, all 8 rows were filled, and on the third train, 5 1/2 rows were filled. How many more rows were filled on the first train than on the third train?
1 3/4 more rows