Factors & Multiples
12, 24, 36, 48, and 60 are the first five multiples of which number?
12
If John has 24 stickers, what are the arrays can he make to display them?
1x24, 24x1, 2x12, 12x2, 3x8, 8x3, 4x6, 6x4
Is 27 prime or composite?
Composite (factor pairs are 1 & 27, 3 & 9)
Arnold's physics class starts at 8:45 AM and goes until 10:15 AM. How long is his class?
1 hour & 30 minutes (90 minutes)
When is Dr. Seuss's birthday?
March 2, 1904
factors
George has 38 cookies. He wants to put them in equal portions to last him one week. How many cookies will be in each portion? Will there be any left over? If so, how many?
5 cookies per day with 3 left over
(35/7=5, 38-35=3)
True or False: All prime numbers are odd.
False: 2 is the only even prime number.
Trisha is going to watch a movie at 5:10 PM, but has soccer practice for 80 minutes first. What time does soccer practice start?
3:50 pm
What is Peter Parker's special power?
"Spidey senses"
What are the factor pairs for 45?
1 & 45, 3 & 15, 5 & 9
Grace made 48 bookmarks to sell at the book fair. She wants to arrange them in equal rows, but not more than 12 and not less than 4. What are her options?
4x12 or 12x4, 6x8 or 8x6
Name the 3 prime factors of 15.
1, 3, 5
Marjie slept from 9:25 PM to 5:25 AM. She got 8 hours of sleep. Bob got the same amount of sleep, but went to bed at 11:20 PM. What time did he wake up?
7:20 AM
There are 21 countries whose official language is Spanish. One is a U.S. territory off the coast of Florida. What is it called?
Puerto Rico
How many factor pairs does 72 have? Name them all.
6 factor pairs: 1 & 72, 2 & 36, 3 & 24, 4 & 13, 6 & 12, 8 & 9
Mr. Church started the month with 23 kindergarteners. He arranged them in 5 groups of 4 and 1 group of 3. He got 2 new students. How can he seat them now in equal groups?
5 groups of 5 kids each
Which of the following numbers are composite?
13, 28, 31, 37, 46, 139
28 and 46
On regular days, school is in session from 8:20 AM to 2:40 PM. How many minutes is that?
140 minutes (6 hours and 20 minutes)
What team won the Super Bowl two years ago?
Kansas City Chiefs
What are the first five multiples of 23?
23, 46, 69, 92, 115
A sports camp offers basketball, volleyball, football, tennis, and lacrosse. If 155 kids show up and the trainers want equal groups to rotate between the sports, how many kids will be playing each sport at a time?
31 (155 kids / 5 sports)
What is the definition of a composite number?
A number with more than 2 factors (or more than 1 factor pair).
Jeffrey earns $35 for every 3 hours of yard work. How much money did he earn on the weekend if he worked from 10 AM to 3 PM on Saturday and 11:30 AM to 3:30 PM on Sunday?
$105 (he worked 9 hours total, 9/3=3, 35 x 3=105)
What is the name of the Sacramento WNBA team?
the Monarchs