Factors
Which number is a factor of 18?
A. 8
B. 36
C. 9
D. 10
C. 9
Which number is a multiple of 8?
A. 14
B. 36
C. 24
D. 18
C. 24
Is the number 18 prime or composite?
A. Prime
B. Composite
B. Composite
What are the next 5 multiples of 4?
4, ___, ____, ____, ____, ____
8, 12, 16, 20, 24
Which is NOT a factor of 40?
A. 5
B. 9
C. 10
D. 2
B. 9
Which is not a multiple of 12?
A. 42
B. 60
C. 12
D. 96
A. 42
Is the number 29 prime or composite?
A. Prime
B. Composite
A. Prime
Find the unknown number:
25, 50, 75, _____
100
Which number is a factor of 30 but not a multiple of 2?
A. 5
B. 6
C. 2
D. 10
A. 5
Find the unknown number:
12, 24, 36, ______
A. 46
B. 48
C. 52
D. 60
B. 48
What are the next 5 multiples of 4?
4, ___, ____, ____, ____, ____
8, 12, 16, 20, 24
Which number is a factor of 63?
A. 9
B. 2
C. 10
D. 5
A. 9
Kelly places 9 packs of gummies in rows. All rows contain the same number of packs. Which of thse can be the number of gummies in a row?
A. 24
B. 54
C. 39
D. 48
B. 54
Charley is planting a garden. His garden is divided into equal sections, each measuring 6 meters in length. Which could be the total length of his garden?
A. 4
B. 26
C. 15
D. 30
D. 30
True or False: All odd numbers are prime.
False!
15 is not prime, but it is odd.
If 6 is a factor of a number, what other numbers must be factors of that number?
1, 2, and 3 must be factors of that number.
Because 1, 2, and 3 are all factors of 6.
Chris arranged 15 photos in a photo album. He put the photos in rows. Each row contains the same number of photos. How many photos could be in each row?
A. 2, 4, or 6
B. 2, 3, or 4
C. 1, 2, or 6
D. 1, 3, or 9
D. 1, 3, or 9
Hailey has 14 tulips, 7 roses, and 42 daisies. She wants to arrange all the flowers in bouquets. Each bouquet has the same number of flowers and the same type of flower. How many flowers could be in a bouquet?
A. 2
B. 4
C. 7
D. 5
C. 7
True or False: Every multiple of 7 is a composite number.
False!
7 is a multiple of 7, and it is prime.
Which is not factor of 42?
A. 6
B. 7
C. 2
D. 5
D. 5