Name: 
 

Chapter 3 Study Guide



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Paul finished remodeling the bathroom in his home. Now he is going to purchase products to decorate the remodeled bathroom. About how much will Paul spend to buy 2 pictures, 4 towels, and 2 rugs?

BATHROOM DESIGN
Bathroom Products
Total Cost
2 Bath Towels
$39.85
2 Rugs
$27.16
Soap
$11.54
Picture
$19.56
Soap dispenser
$5.78
Waste paper basket
$11.23

a.
$90
b.
$110
c.
$130
d.
$150
 

 2. 

Use clustering to estimate the sum.

4,020 + 4,121 + 3,876 + 3,945
a.
16,000
b.
18,000
c.
20,000
d.
24,000
 

 3. 

675.4 – ____ is about 650. Which decimal, rounded to the nearest whole number, makes the equation true?
a.
67.54
b.
24.9
c.
6.8
d.
5.4
 

 4. 

Which is the best estimate for $50 mc004-1.jpg $6.87?
a.
5
b.
6
c.
7
d.
8
 

 5. 

Arlene bought a bag of trail mix with a net mass of 0.63 kg. After she and her friend ate some of the mix, the mass of what was left was 0.45 kg. How many kilograms of trail mix did Arlene and her friend eat?
a.
0.28 kg
b.
0.22 kg
c.
0.18 kg
d.
0.05 kg
 

 6. 

Find the product.
12.6 mc006-1.jpg 4.8 =
a.
6.048
b.
48.48
c.
60.48
d.
604.8
 

 7. 

The 6th grade class at John Adams Middle School earned $947.10 at their fall festival. The money is being divided between 63 students to help pay for their class trip. How much money will each student receive? Round to the nearest hundredth.
a.
$16.00
b.
$15.33
c.
$15.10
d.
$15.03
 

 8. 

Zach can buy one pound of nails for $2.70. How many pounds of nails can Zach buy for $10? Find mc008-1.jpg. Round to the nearest hundredth.
a.
2.7 lb
b.
3.70 lb
c.
7.3 lb
d.
27 lb
 

 9. 

Find the quotient of 56.04 ÷ 8.2. Round to the nearest hundredth.
a.
6,83.41
b.
683.22
c.
68.34
d.
6.83
 

 10. 

Which of the following is equal to 7.2?
a.
6.4 + 2 mc010-1.jpg 6 – 2 ÷ 2
c.
[6.4 + 2 mc010-3.jpg (6 – 2)] ÷ 2
b.
6.4 + 2 mc010-2.jpg (6 – 2) ÷ 2
d.
(6.4 + 2) mc010-4.jpg 6 – 2 ÷ 2
 

 11. 

What is the first step in evaluating the expression shown below?

88 mc011-1.jpg (3.7 + 4.3) – 2 mc011-2.jpg 2.6
a.
Divide 88 mc011-3.jpg 3.7
c.
Subtract 4.3 – 2
b.
Add 3.7 + 4.3
d.
Multiply 2 mc011-4.jpg 2.6
 

 12. 

A small magazine collects $7,845 per month in subscriptions. Which is the best estimate for 6 months of subscriptions?
a.
less than $40,000
c.
between $42,000 and $48,000
b.
between $40,000 and $42,000
d.
greater than $48,000
 

 13. 

163.4 – ____ is about 100. Write a decimal, when rounded to the nearest whole number, makes the equation true.
a.
3.8
b.
16.34
c.
43.8
d.
63.1
 

 14. 

Which is the best estimate for $65 ÷ $7.89?
a.
9
b.
8
c.
7
d.
6
 

 15. 

Find the difference.
6.74 – 4.26 =
a.
1.48
b.
2.48
c.
2.52
d.
2.58
 

 16. 

Find the sum.
2.22 + 0.88 =
a.
3.1
b.
3
c.
3.01
d.
4
 

 17. 

Place the decimal point in the product.
3.20 mc017-1.jpg 89 =
a.
2848
b.
284.80
c.
.2848
d.
2.848
 

 18. 

Find the product.
9.35 x .88 =
a.
.8228
b.
7.288
c.
8.228
d.
82.88
 

 19. 

The librarian at Arthur Henry Middle School paid $571.20 for a shipment of readers. Each book cost the same amount. If she bought 32 readers, how much money was spent on each book? Round to the nearest hundredth.
a.
$18.84
b.
$18.80
c.
$17.85
d.
$17.50
 

 20. 

Strawberries are Daniel’s favorite fruit. He can buy one pound for $2.55. How many pounds of strawberries can Daniel buy for $12? Find 12 mc020-1.jpg 2.55. Round to the nearest hundredth.
a.
3.38 lb
b.
3.7 lb
c.
4.71 lb
d.
5 lb
 

 21. 

Which of the following is equal to 6.4?
a.
(3.4 + 2) mc021-1.jpg (5 – 3) ÷ 2
c.
[(3.4 + (2 mc021-3.jpg 5)] – (2 ÷ 2)
b.
3.4 + (2 mc021-2.jpg 5) – 1 ÷ 2
d.
3.4 + 2 mc021-4.jpg (5 – 2) ÷ 2
 

 22. 

Estimate the sum of 2.78 + 0.61 by rounding each addend to the nearest tenth.
a.
3
b.
3.2
c.
3.4
d.
4.3
 

Numeric Response
 

 23. 

There are 8 mice in each of 19 cages in a laboratory. How many mice are in the laboratory?
 
nr023-1.jpg

 



 
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