Multiplication
What is the unknown number that makes the equation true.
62x58= (60+2)x (50+___)
8
Because 60+2=62
and 50+8= 50
Name all the factors of 8.
1, 2, 4, 8
Which of the following are multiples of 2? Pick three.
A. 2
B. 1
C. 22
D. 21
E. 46
A, C, and E
Tarah started a number pattern by starting at 7 and count by 7's. What is the sixth number in Tarah's pattern?
49
because 7, 14, 21, 28, 35, 42, 49
17x9=?
153
Name all the factors of 16.
1, 2, 4, 8, 16
Name the first five multiples of 5.
5, 10, 15, 20, 25
Find the missing numbers in the pattern below.
2, 6, 10, 14, __, ___
18, and 22
There are 642 students in the 3rd grade. Each of the 3rd graders has 5 books. How many books does the 3rd grade have in total?
3,210
because 642x5=3210
Which of the following are factors of 36? Select two that apply.
A. 1, 2, 3, 4
B. 0, 1, 2, 3, 6
C. 36, 72, 108
D. 6, 9, 12
E. 12, 18, 24
F. 136, 145, 172
A, and D
Name the three multiples of 12.
Any valid answer.
Examples: 12, 24, 36, 48, 60, 72, and so on
Hotdog buns are sold in packages of 6. Which rule can be used to create a pattern that shows the number of hotdog buns in a given number of packages.
A. Start at 1, and count by 1's
B. Start at 6, and count by 1's
C. Start at 1, and count by 6's
D. Start at 6, and count by 6's
D
Because 1 package is worth 6 so you start at 6. Then you count or add 6 more for each package.
1567x3=?
4,701
"The number 20 is a multiple of 5. That means that all the factors of 5 are also factors of 50."
Is the statement above correct? Use numbers or words to explain why or why not.
Yes, because the factors of 5 are 1, and 5. Those numbers are also factors or 20. This will always be the case.
Which of the following are multiples of 6. Pick three.
A. 3
B. 2
C. 6
D. 36
E. 42
C, D, and E
Find the missing numbers in the pattern below.
32, 30, __, 26, 24, 22, __
28, and 20
Samuel has to read 16 pages every night for homework. How many pages has he read after 54 nights?
864 pages
because 16x54=864