Multiples
What is the next multiple of 30?
30, 60, 90, 120, 150, ____
180
What are all the factors of 12?
1, 2, 3, 4, 6, 12
Ms. Brown picked 3 yellow roses and 18 red roses. How many times as many red roses did Ms. Brown pick than yellow roses?
6
Is 25 square or prime? prove it
1 x 25= 25
5 x 5 = 25
Which of the following is a composite number?
5 11 10 3
10
What is a multiple of 8?
4, 18, or 32
32
What is a factor of 45?
2 6 or 9
9
Mrs. Greene picked 9 strawberries. Mr. Greene picked 3 more times the amount. How many in all?
9 x 3 = 27 strawberries
8 10 16
16
4 x 4 = 16
Which is a prime number?
4 5 12 15
5
What would the 10th person say skip counting by multiples of 20?
200
What are all the factors of 15?
1, 3, 5, 15
Josh's lunch was 4 times as much as Kyles. If Kyles lunch was $5, how much was Josh’s lunch bill?
$20
What are 3 sets of factor pairs for 36?
1 x 36
2 x 18
3 x 12
4 x 9
6 x 6
True or False
A prime number has only 2 factors 1 and itself.
True
what would the 7th person say counting by multiples of 40s?
280
A factor is....
a. skip counting numbers
b. numbers you multiply to get the product
c. the sum of two numbers
b. numbers you multiply to get the product
It takes George 24 minutes to walk the dog and 3 minutes to take out the trash. How many times longer does it take George to walk the dog than take out the trash?
3 x ____= 24
8 times
A square number is ...
Number that 2 factors are the same multiply them each other
3 x 3 = 9 (9 is square)
a square array
True or False (if false fix it to make it true. )
Composite numbers have only two factors one and itself.
False
Composite numbers have more than 1 and itself as factors. Many combinations to make te number.
what is the next 3 multiples of 4 in this list?
12, 16, 20, 24, ___,____,____
28, 32, 36
What are the factors of 28?
draw a factor rainbow
1, 2, 4, 7, 14, 28
Teddy has 8 crayons in her pencil box. Lincoln has four times as many than Teddy. How many crayons does Lincoln have?
8 x 4 = 32 crayons
A square number is:
13 5 25 17
25
Is 32 prime or composite? Prove it
Composite
1 x 32
4 x 8
2 x 16