More Decimal & Fraction Operations

Word Problems

100

There is 7/8 of a whole pizza in Anthony's refrigerator. He eats 3/8 of the whole pizza for lunch. What fraction of the whole pizza is left after Anthony eats pizza for lunch?

4/8

200

Jolene rode her bike 1 3/4 miles to a friend's house and then 3 1/4 more miles to the library. What is the total distance, in miles, that Jolene rode her bike?

5 miles

300

Carlos makes 1 pound of snack mix using nuts, raisins, and cereal. The list below shows how many pounds of nuts and raisins he uses. 

1/3 pound of nuts

2/5 pound of raisins

How much cereal, in pounds, does Carlos use?

4/15

400

Rodney bought a 25-pound of dog food. His dog ate 10 2/5 pounds of food in the first month and 10 4/5 pounds of the food in the second month. How much dog food, in pounds, was remaining in the bag at the end of the two months?

3 4/5

500

Marcel has 2 1/3 cups of milk. He uses 2/3 cup for his cereal and 1 1/4 cups for a pancake recipe. How much, milk, in cups, does Marcel have remaining? 

5/12

Adding & Subtracting Fractions with Unlike Denominators

100

1/4 + 5/8

7/8

200

2/5 + 1/2

9/10

300

7/12 - 1/2

1/12

400

5/6 - 2/12

3/4

500

3/12 - 1/8

1/8

Adding & Subtracting Mixed Numbers with Unlike Denominators

100

4 1/6 + 9 2/3

13 5/6

200

8 1/2 - 5 1/4

3 1/4

300

8 1/6 + 4 1/2

12 2/3

400

10 1/12 - 2 2/3

7 5/12

500

10 5/6 + 8 2/12

19

Scaling

100

In the expression 5 x y/6, what value of y would make a product greater than 5?

Any number greater than 6 (denominator)

200

In the expression 7 x m/8, what value of m would make a product less than 7?

Any number less than the denominator (any number less than 8)

300

In the expression 12 x z/5, what value of z would make a product equal to 12?

A number equal to the denominator. (5)

400

A student claims that the product for the equation 35 x 5/8 will be greater than 35. Is the student's claim correct? Explain without calculating.

The student's claim is incorrect because multiplying 35 by a fraction less than 1 whole will result in a product smaller than 35.

500

A student claims that the product for the equation 56 x 4/3 will be less than 56. Is the student's claim correct? Explain without calculating.

The student's claim is incorrect because multiplying 56 by a fraction greater than 1 whole will result in a product bigger than 56.

Conversions

100

1 meter = ______ kilometers

0.001

200

2 quarts = _______ pints

4

300

2 Liters = ______ milliliters

2,000

400

24 yards = ______ inches

864

500

2,457 milligrams = ______ grams

2.457