What is a unit fraction?
A fraction that has a numerator of 1.
8. A ribbon is 9 inches long and is divided into 3 equal parts. What is the length of one part?
Complete the equation:
9 inches
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│ │ │ │
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_____ × 9 inches = _____ inch(es)
1/3 x 9 inches = 3 inch(es)
11. Carlos has 6 cups of rice. He divides the rice into 3/4-cup servings.
How many servings does he make? Show your work.
|-----|-----|-----|-----|-----|
0 1 2 3 4 5
8
4. There were 524 pencils sold at a school store. Each pencil cost $0.40.
What was the total amount of money collected?
A. $20.96
B. $209.60
C. $2.096
D. $240.00
B. $209.60
What is 0.4 divided by 2?
0.20
What are any numbers multiplied by each other called?
Factors
9. Lily has 4 bottles of juice. Each bottle contains 3/4 of a liter.
How many liters of juice does Lily have in total?
Simplify your answer.
3 liters
12. Ava wants to run 3 miles. A track is 1/4 mile. How many laps does she need to run?
A. |---|---|---|---|---|---|
0 1 2 3
B. |--|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 1 2 3 4
Estimate to decide if each product is less than 5 or greater than 5.
Expression Less than 5 Greater than 5
0.7 × 5 ⬜ ⬜
5 × 1.3 ⬜ ⬜
2.1 × 5 ⬜ ⬜
5 × 0.4 ⬜ ⬜
Expression Less than 5 Greater than 5
0.7 × 5 *⬜3.5 ⬜
5 × 1.3 ⬜ *⬜6.5
2.1 × 5 ⬜ *⬜ 10.5
5 × 0.4 *⬜2.0 ⬜
Gabriel has a stack of nickels that is 0.72 inch thick. There are 9 nickels in his stack.
How thick is each nickel? Show your work.
0.08 inch thick
10. A rectangular garden is 3/2 meters wide and 6 meters long.
Complete the equation to find the area.
_____ × _____ = _____ square meters
3/2 x 6 = 9 square meters
What is 4 divided by 1/3?
12
6. What is the product of 8 and 6.4?
A. 512
B. 51.2
C. 5.12
D. 0.512
B. 51.2
Heidi buys 35 bolts at the hardware store. The bolts cost a total of $4.55. What is
the cost of each bolt?
0.13 cents each
What numbers are prime? Select all that apply. 12, 17, 21, 31, 49, 54
17, 31
What is 3 x 12/3?
12
What is 1/12 divided by 6?
1/72
7. What is the product of 3.6 and 2.5?
A. 0.90
B. 9.0
C. 90
D. 1.44
B. 9.0
What is 6.02 divided by 14?
A 0.43
B 0.44
C 4.3
D 4.4
A. 0.43
Write this expression in standard form (3 x 10) + (8 x 1) + (2 x 1/10) + (5 x 1/1000)
38.205
What is 12 x 7/4?
21
What is 8 divided by 1/4?
32
Mei has 2.5 packages of pretzels. Each full package weighs 5.39 ounces.
Mei wants to know how many ounces of pretzels she has in all.
13.475 ounces of pretzels in all
13. A stack of paper is 11.27 centimeters tall. There are 23 sheets in the stack.
How thick is each sheet?
0.49