Download TEST UNIT 1: Positive Numbers Multiple Choice: For problems 1

TEST UNIT 1: Positive Numbers
Multiple Choice: For problems 1 – 12, bubble the correct answer on your answer sheet.
1.
Draw a horizontal number line to represent whole numbers between 5 and 15.
A.
C.
B.
D.
2.
What is an inequality that represents the numbers on the number line below.
A. 24 > 29
3.
C. 24 < 29
D. 27 < 35
C. 2.5 = 2.65
D. 2.65 < 2.5
Compare the decimals 2.5 and 2.65.
A. 2.5 < 2.65
4.
B. 29 < 24
B. 2.5 > 2.65
2
5
Replace ? with <, > or =: 3 ? 9
A. <
B. >
C. =
5.
1
2
Which is the greatest number: 4 , 0.1, 5 or 0.5?
1
A. 4
6.
8.
9.
B. 7
C. 13
D. 15
A. 2 x 2 x 3 x 5
B. 2 x 2 x 3
C. 2 x 2 x 15
D. 1 x 2 x 2 x 3 x 5
Identify all of the common factors of 16 and 36.
A. 1, 2, 4
B. 1, 2, 4, 8
C. 1, 2, 4, 8, 16
D. 1, 2
Identify the greatest common factor (GCF) of 48 and 60.
B. 8
C. 12
D. 240
C. 12(5 + 6)
D. 4(15+18)
Factor 60 + 72 completely.
A. 3(20 + 34)
11.
D. 0.5
Write 60 as a product of its prime factors.
A. 7
10.
2
C. 5
Which number is NOT a prime number?
A. 5
7.
B. 0.1
B. 7(5 + 6)
Two bike riders ride around a circular path. They begin their bike rides at 9:10 am. The first
rider completes one lap in 6 minutes and the second rider completes it in 9 minutes. If they
both start at the same place and the same time and go in the same direction, what time will
they meet again at the starting place?
A. 9:18 am
B. 9:28 am
C. 10:04 am
D. 12:18 am
12.
Find the least common multiple (LCM) of 8 and 10.
A. 2
B. 11
C. 40
D. 80
Short Answer: For problem 13, write your answer and show your work in the space provided on
your answer sheet.
13.
Find the greatest common factor (GCF) and least common multiple (LCM) of 24 and 36.
Show all work and label your answers.
Extended Answer: For problem 14, write your answer and show your work in the space provided on
your answer sheet.
14.
There are 45 boys and 54 girls participating in a field day competition.
a) What is the greatest number of teams that can be formed if each team has the same
number of boys and each team has the same number of girls? Show your work.
b) How many boys will be on each team? Show your work.
c) How many children will be on each team? Show your work.
Extended Answer: For problem 15, write your answer and show your work in the space provided on
your answer sheet.
15.
a) Simplify 4 + 3 (8 – 2). Show your work.
b) Sam is a poor math student. He simplified his expression
the wrong way. Describe Sam’s mistake.
SAM’S WORK
4 + 3 (8 – 2)
7 (8 – 2)
7•6
42