Factors
Which number is a factor of 24? 12, 9, 5, 7
12
Choose the numbers that are divisible by 5 and 2.
A. 75
B. 60
C. 34
D. 100
E. 40
B, D, E
Identify the following number as prime or composite. 45
45 is a composite number.
Examine the number pattern. 14, 17, 16, 19, 18, *What rule does this pattern follow?
Rule: Add 3, Subtract 1
List the factors of 42.
1, 2, 3, 6, 7, 14, 21, 42
Which number is NOT a factor of 30? 5, 1, 8, 6
8
Choose the numbers that are divisible by 6.
A. 24
B. 27
C. 42
D. 38
A, C
Which factors of 24 are composite?
4,6,8,12,24
Examine the number pattern. 14, 17, 20, 23, 26, *Write the next three numbers in the pattern.
Next three numbers: 29, 32, 35
Is 87 divisible by...
A. 9
B. 3
C. 3 and 9
D. 2
B
List all the factors or 36.
1, 2, 3, 4, 6, 9, 12, 18, 36
Choose the numbers that are divisible by 5.
A. 75
B. 57
C. 60
D. 100
A, C, D
Which one lists all the composite factors of 24.
A. 1,24
B. 1,2,12,24
C. 1,2,3,4,6,8,12,24
D. 2,3,4,6,8,12
E. 4, 6, 8, 12, 24
E. 4, 6, 8, 12, 24
There are 7 pencils in each box. Two boxes contain 14 pencils. Complete the following. The rule is: Multiply by 7."
A. 3 boxes contain how many pencils?
B. 30 boxes contain how many pencils?
C. 5 boxes contain how many pencils?
D. 13 boxes contain how many pencils?
A 21 pencils
B 210 pencils
C 35 pencils
D 91 pencils
Is 106 a multiple of 2? Why
Yes, because 106 is an even number.
Select all the equations that have a quotient as a factor of 36.
A. 42 ÷ 6 = 7
B. 24 ÷ 4 = 6
C. 12 ÷ 6 = 2
D. 32 ÷ 4 = 8
E. 81 ÷ 9 = 9
B, C, E
Identify the numbers that are divisible by both 2 and 10.
A. 20, 30, 72
B. 30, 60, 130
C. 10, 18, 90
D. 24, 30, 50
B. 30, 60, 130
Select all the true statements.
A. 87 is a prime number.
B. 63 has more than two factors.
C. 2 is a factor of 27.
D. 51 is a multiple of 17.
E. 57 is a composite number.
B, D, E
Select all the patterns that follows the rule "Add 6."
A. 6, 12, 18, 24, 30
B. 6, 11, 16, 21, 26
C. 36, 30, 24, 18, 12
D. 49, 43, 37, 31, 25
E. 4, 10, 16, 22, 28
A and E
List the factors of 51. Is 51 prime or composite? Why?
51 is composite, because it has more than 2 factors.
1, 3, 17, 51
List ALL of the factors of 64.
1, 2, 4, 8, 16, 32, 64
Which statement is true?
A. The number 203 is divisible by both 3 and 9.
B. The number 129 is divisible by 9.
C. The number 96 is divisible by 3.
D. The number 76 is divisible by both 3 and 9.
C. The number 96 is divisible by 3.
Which statement is true?
A. 57 is prime; all the factors are 1 and 57
B. 57 is composite; all the factors are 1,3,5,19,57
C. 47 is prime; all the factors are 1 and 47
D. 47 is composite; all the factors are 1,2,24,47
C. 47 is prime; all the factors are 1 and 47
Examine the number pattern. 27, 22, 24, 19, 21 . . . *If the pattern continues, what will be the 10th number in the sequence? _____
The 10th number would be 10.
List all the factors of 100.
1, 2, 4, 5, 10, 20, 25, 50, 100