Topic 2 Study Guide
1. Wallace, Nicolas, and Luanne are each reading a different book of poetry. Wallace’s
book has 37 poems, Nicolas’s book has 263 poems, and Luanne’s book has 256 poems.
What is the total number of poems in the three books?
A. 656
B. 556
C. 553
D. 456
2. Mr. Diaz’s class had a competition to see which student could do the most sit-ups. The
following table shows the results of the top four students. How many more sit-ups did
Ching-yu do than Nita?
NUMBER OF SIT-UPS
Student
Number of Sit-ups
Ching-yu 385
Reggie
356
Nita
316
Kim
296
A. 79
B. 74
C. 70
D. 69
3. The following table lists the four top medal-winning countries at the 2002 Salt Lake
Winter Olympics. How many medals did these four countries win?
Country
Germany
Medals Won
35
United States 34
Norway
24
Canada
17
A. 90
B. 100
C. 110
D. 120
4. Paul earned $505 one week and $245 the next week. How much more did Paul earn the
first week?
A. $250
B. $260
C. $350
D. $360
5. To add 40 + 75 + 25, Crystal first added 75 and 25. Which method of mental math did
Crystal use?
A. Commutative Property of Addition
C. compatible numbers
B. Associative Property of Addition
D. compensation
1. The number 5.562 has been graphed on the number line below. What is this
number rounded to the nearest tenth?
A. 5
B. 5.5
C. 5.6
D. 6
2. Norma bought a dictionary that contains 5,000,117 words. What is this number
rounded to the nearest ten thousand?
A. 500,000
B. 5,000,000
C. 10,000,000
D. 50,000,000
3. Which number line shows how to round 31,745 to the nearest hundred?A.
B.
C.
D.
4. In the year 2000, there were about 168,840,000 computers in the U.S. What is
this number rounded to the nearest million?
A. 200,000,000
B. 170,000,000
C. 169,000,000
D. 168,800,000
5. Which number rounds to 30.86 when rounded to the nearest hundredth?
A. 30.9
B. 30.85
C. 30.865
D. 30.861
1. In 1909, Miss May’s Muffins had 316 employees. Twenty years later, in 1929, the
company had 790 employees. What is the difference between the number of employees the
company had in 1929 and 1909?
A. about 400
B. about 500
C. about 600
D. about 700
2. Yang walked 3.9 miles from her home to a friend’s house. Then she walked 5.1 miles to a
store. How many miles did she walk in all?
A. 8
B. 9
C. 10
D. 11
3. The four fifth-grade classes at Morning Star School have 25, 23, 27, and 26 students.
About how many fifth-grade students are at Morning Star School?
A. 100
B. 90
C. 80
D. 75
4. Which difference is about 10?
A. 42.5; 16.8
B. 33.2; 28.4
C. 70.9; 58.7
D. 65.7; 65.6
5. John has $5 to spend on the school supplies in his shopping cart. Which method should
he use to overestimate the sum to see if he has enough money?
Item
Price
Set of markers $2.49
Ruler
$0.79
Notebook
$1.09
A. Round to the nearest cent: 2.49 + 0.79 + 1.09
C. Front-end estimation: 2 + 0 + 1
B. Round to the nearest dollar: 2 + 1 + 1
D. Front-end estimation and adjust: (2 + 0 + 1) + 2
1. Add. Use pictures or models to help.
1.23 + 1.50
A. 2.73
B. 2.83
C. 2.93
D. 3.03
2. Jerome biked 1.8 miles. Then he ran 1.6 miles. How far did Jerome go?
A. 0.2 miles
B. 2.4 miles
C. 3.3 miles
D. 3.4 miles
3. Add. Use pictures or models to help.
3.74 + 0.46
A. 3
B. 4
C. 4.20
D. 4.10
4. The table gives the length of the winning long jump in the Olympic Games for several
years.
OLYMPIC MEN’S LONG JUMP
Year Winning Jump (in meters)
1896 6.35
1900 7.18
1904 7.34
What is the difference between the winning lengths in 1904 and 1896?
A. 0.99
B. 1.1
C. 1.99
D. 13.96
5. Subtract. Use pictures or models to help.
8.76 - 3.47
A. 4.29
B. 5.29
C. 4.27
D. 5.28
1. Which picture represents the problem? Diane is taking part in a 3-day walk-athon that is 64 miles long. On the first day she walked 27 miles and on the
second day she walked 24 miles. How many miles will she have to walk on the
third day?
A.
B.
C.
D.
2. Which picture represents the problem?
A total of 97 cars came to the car wash during the first 3 hours on Saturday
morning. During the first hour, 34 cars came to the car washed. During the
second hour, 55 more cars came to the car wash. How many cars came in the
third hour?
A.
B.
C.
D.
3. Which picture represents the problem?
Chris wrote an 86-word essay over 3 hours. He wrote 45 words during the first
hour and 22 words in the second hour. How many pages did he write in the third
hour?
A.
B.
C.
D.
4. Which picture represents the problem?
An author was at a bookstore for 3 hours and signed 77 books last night. She
signed 31 books during the first hour and 18 books in the second hour. How
many books did she sign in the third hour?
A.
B.
C.
D.
5. Which picture represents the problem?
Tyrone has 68 sports cards altogether. Of these, 33 are baseball, 19 are football,
and the rest are basketball. How many basketball cards does Tyrone have?
A.
B.
C.
D.
1. Dave and his brother Theo are selling cookies by the pound at the school bake sale.
Dave sold 14.84 pounds of cookies and Theo sold 21.45 pounds of cookies. How many
pounds did they sell altogether?
A. 35.29
B. 36.25
C. 36.29
D. 36.39
2. Dinah’s teacher asked the class to add .922 + 15.9. Dinah was the first one to raise her
hand and give the correct answer. Which answer did she give?
A. 16.722
B. 16.822
C. 16.882
D. 17.822
3. Toby’s principal wants to put a new fence around the playground. The playground is a
rectangle in shape. It is 75.23 meters wide and 105.55 meters long. How much fencing
does he need?
A. 361.56
B. 361.65
C. 362.56
D. 371.56
4. Add the decimals below.
A. 44.774
B. 45.744
C. 45.774
D. 45.884
5. Add the decimals below.
0.456 + 792.58 = ?
A. 791.035
B. 792.036
C. 793.036
D. 793.062
1. Nicole is buying two posters. One poster costs $7.04 and the second costs $12.45. How
much more does the second cost than the first?
A. $0.54
B. $5.41
C. $5.95
D. $19.49
2. Anna and Jermaine ran into each other at the vet’s office. They decided to compare the
masses of their cats.
Cats’ Masses
Cat
Kilograms
Anna’s
4.9
Jermaine’s 5.46
How much greater was the mass of Jermaine’s cat than Anna’s?
A. 0.43 kilograms
B. 0.46 kilograms
C. 0.56 kilograms
D. 1.56 kilograms
3. At the Atomic Speedway, the black car’s lap time to the nearest hundredth was 40.11
seconds and the yellow car’s lap time to the nearest hundredth was 40.12 seconds. How
much faster in seconds to the nearest hundredth did the black car run than the yellow car?
A. 1
B. 0.1
C. 0.01
D. 0.001
4. In the 2000 Summer Olympics, swimmer Pieter van den Hoogenband of the Netherlands
had the three fastest times in the 100-meter freestyle event. His times were 47.84 seconds,
48.30 seconds, and 48.64 seconds. What is the difference, in seconds, between his two
fastest times?
A. 0.8
B. 0.46
C. 0.34
D. 0.19
5. Sam bought a CD for $13.98. How much change should Sam get from a $20 bill?
A. $16.02
B. $13.98
C. $7.02
D. $6.02
1. Lori bought a book for $19 and a blanket for $35. Which is a way to find out
how much change she would get from $60?
A. Subtract 35 from the sum of 60 and 19.
B. Add 60 to the difference of 19 and 35.
C. Subtract the sum of 35 and 19 from 60.
D. Add 19 to the difference of 60 and 35.
2. Nathan bought a clock for $21 and a sleeping bag for $43. If he used four $20
bills to pay, how much change did he get?
A. $5
B. $16
C. $6
D. $14
3. Cara bought a lamp for $65 and a pair of sun glasses for $22. If she used five
$20 bills to pay, how much change did she get?
A. $13
B. $3
C. $23
D. $7
4. Jennine bought 2 bottles of juice for $4 each and 2 pizzas for $12 each. How
much did she pay in all?
A. $30
B. $24
C. $32
D. $34
5. Shawn bought 2 shirts for $11 each and 2 pairs of shorts for $15 each. How
much did he pay in all?
A. $26
B. $42
C. $41
D. $52