Lesson 1-4 LESSON 1-4 PRACTICE Check Your Understanding ACTIVITY 1

Lesson 1-4
Dividing Whole Numbers
ACTIVITY 1
continued
My Notes
Check Your Understanding
Find each quotient.
6. 325 ÷ 13
9. 221 ÷ 65
7. 2,128 ÷ 28
10. 2,052 ÷ 240
8. 48,184 ÷ 152
11. 297 ÷ 88
LESSON 1-4 PRACTICE
12. Dexter drove 546 miles on one tank of gasoline. His car’s gas tank
holds 15 gallons of gas. Find the average number of miles he drove
per gallon.
13. Crystal works 6 hours three days a week and 7 hours two days a
week. She earns $472 per week. What is her hourly rate of pay?
14. Reasoning abstractly and quantitatively. The town of Brighton
has a population of 12,096 and an area of 15 square miles. The town
of Pauling has the same population density as Brighton and an area
of 22.5 square miles. What is the population of Pauling?
Continent
Number of
Animals
Area (square yards)
North America
228
4,560
South America
684
11,400
Africa
912
18,240
Asia
456
11,400
a. Find the population density of each section of the park, in animals
per square yard.
b. Find the population density of the entire park.
c. Explain how you found the population density of the entire park.
16. a. Use the fact that 8 × 3.5 = 28 to write two division problems
relating 8, 3.5, and 28.
b. Describe the relationship between multiplication and division that
allowed you to write the two division problems.
17. Construct viable arguments. Do 6 ÷ 3 and 600 ÷ 300 have the
same quotient? Support your answer.
18
Unit 1 • Number Concepts
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15. Great Wilderness Animal Park is divided into four sections. Each
section features animals from a single continent. The table shows the
number of animals in each section and the area of the section, in
square yards.