4.OA.4 TEST7B Find all factor pairs for a whole number
 
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4.OA.4 TEST7B Find all factor pairs for a whole number


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

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

 2. 
mc002-1.jpg
What is the missing factor?
a.
1
c.
15
b.
3
d.
2
 

 3. 
mc003-1.jpg
What is the missing factor?
a.
4
c.
10
b.
8
d.
2
 

 4. 
mc004-1.jpg
What is the missing factor?
a.
11
c.
7
b.
9
d.
10
 

 5. 

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

 6. 

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

 7. 

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

 8. 

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

 9. 

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

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