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4th Grade Operations & Algebraic Thinking - Standard 4 - Practice Test 1


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

 1. 
Factor:  100
a.
2 * 5 * 5
c.
2 * 3 * 6 * 5
b.
2 * 2 * 5 * 5
d.
2 * 5 * 2 *
 

 2. 
Factor:  84
a.
2 * 2 * 3 * 7
c.
2 * 42
b.
2 * 4 * 3 * 7
d.
Can’t.  It’s prime.
 

 3. 
Factor:  57
a.
3 * 19
c.
2 * 7 * 7
b.
3 * 3 * 7
d.
Can’t.  It’s prime.
 

 4. 
Factor:  42
a.
2 * 21
c.
3 * 14
b.
2 * 3 * 7
d.
Can’t. It’s prime.
 

 5. 
Factor: 
a.
1 * 12
c.
2 * 2 * 3
b.
3 * 4
d.
Can’t.  It’s prime.
 

 6. 
Factor:  17
a.
1 * 17 * 1
c.
2 * 3 * 3
b.
8 + 9
d.
Can’t.  It’s prime.
 

 7. 
mc007-1.jpg
What is the missing factor?
a.
7
c.
10
b.
11
d.
9
 

 8. 
mc008-1.jpg
What is the missing factor?
a.
2
c.
8
b.
4
d.
10
 

 9. 
mc009-1.jpg
What is the missing factor?
a.
1
c.
3
b.
15
d.
2
 

 10. 
mc010-1.jpg
Use the final factors (at the bottom) to figure out what the original number is for this factor tree.
a.
98
c.
18
b.
48
d.
36
 



 
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