Dividing Fractions
Dividing Fractions
Unit 1 Review
Multiplying Fractions
Properties
100
John is going on vacation and wanting to leave food for his dog. He has 3 1/2 lbs. of dog food. He will put an equal amount of food into 5 bowls. How much food will be in each bowl? a. 7/10 lb c. 1 3/4 lb b. 5 lb d. 3/10 lb
7/10 lbs
100
What strategy is used to divide fractions?
Keep, Change, Flip OR Multiply by the Reciprocal
100
At Tamia’s birthday party, she had 8 chocolate cupcakes, 10 vanilla cupcakes, and 12 strawberry cupcakes. What percentage of the cupcakes at Tamia’s party were vanilla cupcakes? a. 25% c. 7% b. 33% d. 42%
33%
100
There are 12 desks in Room 319. Each desk weighs 8 2/5 pounds. What is the total weight of all the desks in Room 319?
100 4/5 lbs.
100
Which of the following is an example of the Inverse Property of Multiplication? a. 23(0) c. 23 x 2 = 2 x 23 b. 23 x 1 d. 23 x 1/23
23 x 1/23
200
Which expression is equivalent to 2/5 ÷ 1/3 ? a. 2/5 x 1/3 c. 5/2 x 1/3 b. 2/5 x 3/1 d. 5/2 x 3/1
2/5 x 3/1
200
The County Recreation Department cleared a 2 1/5 mile long walking trail in Washington Park. The trail will be marked every mile with a small sign. How many signs will be on the trail? a. 1/5 c. 10 b. 22 d. 42
22
200
Divide the decimals: 3.015 divided by .06
50.25
200
A recipe for cookies requires cup of butter. Emily wants to make 1/10 of the recipe. How many cups of butter should Emily use to make the cookies? a. 1 c c. 1/12 c b. 1/10 c d. 1/15 c
1/15 c
200
Which property of addition is used in the following? 4+(6+3) = 3+(6+4) a. Commutative Property c. Distributive b. Associative Property d. Identity Property
Associative Property
300
Lauren generated equivalent expressions using the Identity Property of Multiplication. Which expression correctly applies this property? a. (22 x 3) x 2 = 22 x (3 x 2) c. 5 x 1 = 5 b. 1/2 x 2 d. 3 x 1 = 1 x 3
5 x 1 = 5
400
Which expression is equivalent to 25 ÷ (5 + x) ? a. (5 + x) ÷ 25 c. (25 ÷ 5) + (25 ÷ x) b. (5 ÷ 25) + x d. 25 ÷ (x + 5)
d. 25 ÷ (x + 5)
500
Marisa solved an order of operations problem using the steps below. Step 1: 6 + 12 ÷ 4 + 2 x 6 Step 2: 6 + 3 + 2 x 6 Step 3: 6 + 3 + 6 x 2 Step 4: 6 + 3 + 12 = 21 Which property did Marisa use from Step 2 to Step 3 to solve this problem? a. Associative Property c. Inverse Property b. Distributive Property d. Commutative Property
Commutative Property