Multiples
List at least five multiples of 3
6, 9, 12, 15, 18, 21, 24, etc
What is one factor pair of 18 (not 1, 18)
(3, 6)
Define Multiple
Any number you get as the product when multiplying a chosen number
Is 10 prime or composite? How do you know?
Composite. There is more than one factor pair
Daniel has 30 cupcakes he needs to split into containers. If he puts the same number of cupcakes in each container, what are all the ways he could package them? (Think factor pairs)
1 container with 30 (or 30 containers with 1)
2 containers with 15 in each (or 15 with 2 in each)
3 containers with 10 in each (or 10 with 3 in each)
List at least 5 multiples of 5
10,15, 20, 25, 30, 35, etc
List one factor pair of 36 (not 1, 36)
(2, 18)
(3, 12)
(4, 9)
Define Factor
A number used to multiply by another to get a certain answer
Is 27 prime or composite? How do you know?
Composite. There are 2 factor pairs
Decide if each number is prime or composite
7, 10, 12, 15, 21, 23
List at least 5 multiples of 7
14, 21, 28, 35, 42, 49, etc
List ALL of the factor pairs of 45 (there are 3)
(1, 45)
(3, 15)
(5, 9)
Define Prime
A number that only has one factor pair, 1 and itself
11, 13, 17, etc
Mike has 7 video games. His cousin Brady has 4 times as many as Mike. Write an equation that represents how to find how many video games Brady has. Include the product.
7 x 4 = 28
4 x 7 = 28
List at least 5 multiples of 8
16, 24, 32, 40, 48, 56, etc
List all of the factor pairs of 28 (There are 3)
(1, 28)
(2, 14)
(4, 7)
Define composite
A number that has more than one factor pair
Give a composite number larger than 20.
22, 24, 25, 28
What do all of these numbers have in common:4, 8, 12, 16, 20
They are all multiples of 4
List 5 multiples of 9
18, 27, 36, 45, 54, 63, etc
List all of the factor pairs of 56 (There are 4)
(1, 56)
(2, 28)
(4, 14)
(7, 8)
Define product AND quotient
Product: answer to a multiplication problem
Quotient: answer to a division problem
List 2 prime numbers and 2 composite numbers
3, 7, 11, 13,
10, 12, 15, 20
Last year in Storm Lake 56 inches of rain fell. In Spencer, 8 inches of rain fell. How many times more rain fell in Storm Lake than in Spencer?
Think
8 x ? = 56
7 times more
8 x 7 = 56