Worksheets4th Grade Prime and Composite Review
Total questions: 15
Worksheet time: 29mins
Name
Class
Date
1.
Nicholas says that 19 is a composite number. Is he correct? Why?
a)
Yes because 8+8=18 and 18+1=19
b)
Yes Because 9+9=18
c)
No because 2 can't go into 19
d)
No because nothing can go evenly into 19
2.
Which number is prime?
a)
57
b)
19
c)
9
3.
Aurora says that the factors of 34 are 1,2.5,8,16. Is she correct?
a)
Yes
b)
No
4.
7 is a ___________ of 42
a)
Factor
b)
Multiple
5.
Joe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?
7 14 22 28
Which one is incorrect?
a)
7
b)
14
c)
22
d)
28
6.
Which one is a multiple of 4?
a)
33
b)
22
c)
18
d)
24
7.
Robbie made a scale drawing of a neighborhood park. A soccer field in the park is 14 inches long in the drawing. The actual field is 98 yards long. What is the scale of the drawing?1 inch = _ yards
a)
1372
b)
5
c)
14
d)
7
8.
Which of the following numbers shows all of the factors of 12?
a)
1,2,3,4,6,12
b)
1,2,3,4,6,8,12
c)
1,2,4,6,12
d)
2,4,6,8,10,12
9.
Which of the following equations will NOT result in a multiple of 5?
a)
11 x 5 = _
b)
2 x 5 = _
c)
6 x 5 = _
d)
7 x 3 = _
10.
Which of the choices below includes two factors of 15?
a)
5 and 6
b)
3 and 5
c)
3 and 9
d)
3 and 8
11.
8 x 6
a)
48
b)
86
c)
14
d)
44
12.
What are the prime factors for 32?
a)
2 x 2 x 2 x 2 x 2
b)
1, 2, 4, 8, 16, 32
c)
32, 64, 96, 128
d)
2 x 2 x 2 x 4
13.
What are the first 5 multiples of 8
a)
8,16,24,32,40,48,56
b)
16,24,32,40,48
14.
18 is a_______ of 9
a)
Factor
b)
Multiple
15.
Caroline said that 1 is a prime number. Rodney said that 1 is a composite number. Who is correct?
a)
Rodney
b)
Caroline
c)
Neither
d)
Both
100 %
