Factors & Multiples
List all the factors of 22
1, 2, 11, 22
A number that has MORE than two factors - 1 and itself.
composite number
3 x 8 =
24
Carol and Tim are each tracking their reading minutes. Carol has read 3 times as many minutes as Tim.
Tim has read 50 minutes.
How many minutes has Carol read?
150 minutes
3 x 50 = (3 x 5) tag a 0
42 = 6 x 7
Which statement can be used to represent the equation?
a. 42 is 6 more than 7
b. 7 is 6 times as many as 42
c. 7 more than 6 is 42.
d. 42 is 6 times as many as 7.
d. 42 is 6 times as many as 7.
List all the factors of 9
1, 3, and 9
What kind of number is 15? Prime or composite?
15 is a composite number because it has more than two factors (1, 3, 5, 15)
___ x 7 = 56
8
Jack saw 5 columns of crayons in a box of 30 crayons. How many crayons are in each column?
30 divided by 5 = 6 in each column
Jenna is 12 years old. Her mom is 4 times older than Jenna. How old is Jenna's mom?
48 years old (12 x 4 = 48)
Select the list that shows all the multiples of 14
a. 1, 2, 9, 14, 28
b. 14, 7, 2, 1
c. 1, 2, 6, 14
d. 14, 28, 42, 56
d. 14, 28, 42, 56
What kind of number is 17? Prime or composite?
17 is a prime number because its only factors are 1 and 17.
50 x ____ = 100
2
Table 1 has 5 students. Each student has 4 pencils. Table 2 has 4 students. Each student has 4 pencils.
How many pencils do both groups have total?
5x4=20
4x4=16
20+16=36 pencils total
Krista bought a book and a toy. The toy cost $24 and the book cost $8. How many times more than the book did the toy cost?
3 times
$8 x 3 = $24
Select the list that shows all the factors of 18
a. 1, 2, 9, 18
b. 18, 36, 54, 72
c. 1, 2, 3, 6, 9, 18
d. 18, 9, 3, 1
c. 1, 2, 3, 6, 9, 18
What kind of number is 63? Prime or composite?
63 is a composite number because it has more than two factors (1, 3, 7, 9, 21, 63)
30 x 3 = ___
90
There are 4 students at the green table. They each brought 2 packs of markers. The class needs 4 times as many markers as the green table. How many packs of markers does the class need?
4 x 2 = 8 packs at the green table
8 x 4 = 32 packs of markers
7 x 3 = 21
a. Beth has 7 stickers. Ryan has 3 times as many stickers as Beth.
b. Beth has 7 times as many stickers as Ryan. Ryan has 21 stickers.
c. Beth has 21 stickers. Ryan has 3 times as many stickers as Beth.
a. Beth has 7 stickers. Ryan has 3 times as many stickers as Beth.
Martha writes a number
- The number is between 20 and 30
- The number has exactly 6 factors
- One of the factors is 4
What is Martha's number?
a. 21 b. 24 c.28 d. 32
c.28
What kind of number is 39? Prime or composite?
39 is a composite number because it has more than two factors (1, 3, 13, 39)
7 x ___ = 49
7
Ms. B has 5 library bins. Each bin has 5 books.
Ms. K has 5 library bins. Each bin has 7 books.
They need to combine their books and divide them EVENLY between the library bins. How many books will each library bin have?
Ms. B= 5x5=25
Ms. K= 5x7=35
25+35=60 60 divided by 10= 6 books each bin
Ms. Breidenstein bought pants and a top. The pants were 3 times as much as the top. The top cost $15. How much were the pants?
15 x 3 = $45 for the pants