Story Problems
A recipe for chocolate chip cookies makes 4 dozen cookies and calls for the following ingredients:
1 1/2 cups margarine
1/4 teaspoon salt
1 3/4 cups sugar
3 1/4 cup flour
2 teaspoons vanilla
1 teaspoon baking powder
8 ounces chocolate chips
a. How much vanilla is needed to make 3 recipes?
6 teaspoons
A recipe for chocolate chip cookies makes 4 dozen cookies and calls for the following ingredients:
1 1/2 cups margarine
1/4 teaspoon salt
1 3/4 cups sugar
3 1/4 cup flour
2 teaspoons vanilla
1 teaspoon baking powder
8 ounces chocolate chips
a. How much vanilla is needed to make 3/4 of the recipe?
1 1/2 teaspoon
Jack, Jill, and Bill each carried a 1 1/2 quart bucket full of water down the hill. By the time they reached the bottom, Jack’s bucket was only 3/4 full, Jill’s was 2/3 full, and Bill’s was 1/6 full. How much water did they spill altogether on their way down the hill?
2 11/12 quarts
Sum
Addition
How do you find volume?
l * w * h
A recipe for chocolate chip cookies makes 4 dozen cookies and calls for the following ingredients:
1 1/2 cups margarine
1/4 teaspoon salt
1 3/4 cups sugar
3 1/4 cup flour
2 teaspoons vanilla
1 teaspoon baking powder
8 ounces chocolate chips
a. How much sugar is needed to make 3 recipes?
5 1/4 cups
A recipe for chocolate chip cookies makes 4 dozen cookies and calls for the following ingredients:
1 1/2 cups margarine
1/4 teaspoon salt
1 3/4 cups sugar
3 1/4 cup flour
2 teaspoons vanilla
1 teaspoon baking powder
8 ounces chocolate chips
a. How much sugar is needed to make 3/4 of the recipe?
1 5/16 cups
A community bike ride offers a short 5 7/10 mile ride for children and families. The short ride is followed by a long ride, 5 2/3 times as long as the short ride, for adults. If a woman bikes the short ride with her children and then the long ride with her friends, how many miles does she ride altogether?
38 miles
Difference
Subtraction
How do you find area?
l * w
A recipe for chocolate chip cookies makes 4 dozen cookies and calls for the following ingredients:
1 1/2 cups margarine
1/4 teaspoon salt
1 3/4 cups sugar
3 1/4 cup flour
2 teaspoons vanilla
1 teaspoon baking powder
8 ounces chocolate chips
a. How much salt is needed to make 3 recipes?
3/4 teaspoon
A recipe for chocolate chip cookies makes 4 dozen cookies and calls for the following ingredients:
1 1/2 cups margarine
1/4 teaspoon salt
1 3/4 cups sugar
3 1/4 cup flour
2 teaspoons vanilla
1 teaspoon baking powder
8 ounces chocolate chips
a. How much salt is needed to make 3/4 of the recipe?
3/16 teapsoon
Mathilde has 2 1/2 gallons of green paint. She uses 2/5 of it to paint a landscape and 3/10 of it while painting a clover. She decides that for her next painting, she will need 1 3/4 gallons of green paint. How much more paint will she need to buy?
She will need 1 more gallon.
Quotient
Division
What is a unit fraction?
A fraction with one as the numerator.
A recipe for chocolate chip cookies makes 4 dozen cookies and calls for the following ingredients:
1 1/2 cups margarine
1/4 teaspoon salt
1 3/4 cups sugar
3 1/4 cup flour
2 teaspoons vanilla
1 teaspoon baking powder
8 ounces chocolate chips
a. How much margarine is needed to make 3 recipes?
4 1/2 cups
A recipe for chocolate chip cookies makes 4 dozen cookies and calls for the following ingredients:
1 1/2 cups margarine
1/4 teaspoon salt
1 3/4 cups sugar
3 1/4 cup flour
2 teaspoons vanilla
1 teaspoon baking powder
8 ounces chocolate chips
a. How much margarine is needed to make 3/4 of the recipe?
The fifth-grade classes at Brookfield School used five identical buses to go on a field trip.
There were a total of 40 seats on each bus.
All of the seats on four buses were filled.
The fifth bus had 4/5 of the seats filled.
1/8 of all the passengers on the buses were adults.
How many adults went on the field trip with the fifth-grade classes?
24 adults
Product
Mutliplication
What unit is volume measured with?
cubic units
The total distance around a running track is 1 5/8 miles. Wayne ran 1/4 of the track. Which of the following equations can be used to find d, the distance in miles that Wayne ran?
A. 1/4 * 13/8=d B. 1/4 * 15/8=d
C. 4/1 * 13/8=d D. 4/1 * 15/8=d
A. 1/4 * 3/8=d
Write a story context that can be solved using the expression 5/6 * 18 1/2.
Answers will vary.
Last year, Bob’s Market ordered 15 1/2 pounds of plums from a local orchard. This year, the market plans to order 1 1/4 times as many pounds of plums as were ordered last year. They want 2/5 of the order to be red plums. What is the total amount, in pounds, of red plums the market plans to order this year? Write your answer as a mixed number.
19 3/8 total plums
What does "as much" mean when used in a story problem?
Multiplication
What is an exponent?
It tells you how many times you multiply the base number by itself.