Factors & Multiples
Which list shows all the factors of 36?
A. 1, 2, 3, 4, 6, 7, 9, 12, 36
B. 1, 2, 3, 12, 18, 36
C. 1, 2, 3, 4, 6, 8, 9, 12, 18, 36
D. 1, 2, 3, 4, 6, 9, 12, 18, 36
D. 1, 2, 3, 4, 6, 9, 12, 18, 36
45 x 6
270
452 x 2
500 x 2 = 1000
Jimmy has 6 toys cars. His brother has 8 times as many. How many toy cars does his brother have?
6 x 8 = 48
List the first five multiples of 2.
2, 4, 6, 8, 10
60 x 30
1800
756 x 4
800 x 4 = 3,200
Mrs. Buxton graded 50 problems on Tuesday. This is 5 times more than she graded on Monday. How many problems did she grade Monday?
50 / 5 = 10
List the first five multiples of 4.
4, 8, 12, 16, 20
238 x 4
952
There are 62 rows of 9 chairs in the movie theatre. About how many chairs are there?
60 x 9 = 540 chairs
Sasha has 4 times as many books as Raymond. Raymond has 3 books. How many books does Sasha have?
4 x 3 = 12
Which of these is a multiple of 5, but not of 7?
A. 35
B. 32
C. 15
D. 42
C. 15
3879 x 5
19395
The average person eats 45 cheeseburgers per year. Mr. Warner is 87 years old. About how many hot dogs would he have eaten during his lifetime?
50 x 90 = 4500
Mrs. Bruggenschmidt ordered 80 computers on Tuesday. This is 8 times more than she ordered on Monday. How many computers did she order on Monday?
80 / 8 = 10
Miss Graham is arranging desks for her classroom. She wants to put 18 chairs into a rectangular array. Choose ALL the ways she can arrange the desks.
A. 1 x 18
B. 2 x 8
C. 3 x 8
D. 9 x 2
E. 3 x 6
F. 18 x 1
A, D, E, F
32 x 22
704
The average person eats 52 hot dogs per year. Joanna is 77 years old. About how many hot dogs would she have eaten in her lifetime?
50 x 80 = 4000
TJ has 24 books. This is 8 times as many books as Jana. How many books does Jana have?
24 / 8 = 3