Multiples of 2 and Fractions

Multiples

100

Find 5 more multiples of the number 3. 

3: 6, 9, 12, 15, 18

200

What are 2 multiples of 2?

4, 6, 8 , 10, 12...

300

All multiples of 2 are what kind of numbers? 

even numbers

400

What number is a multiple of 2 and 4? 

8, 12, 16, 20, 24, 28, 32

500

Which multiple would you use to solve the equation below?

2/4 + 2/6 =

12

Factors

100

What are factors? 

A whole number that can be multiplied by another whole number to get a given number

200

What are the factors of 17? 

1 and 17

300

What are the factors of 18

1 2 3  6 9 18 

400

What are the factors of 32? 

1 2 4  8 16 32 

500

What is it called when a number only has two factors? 

Prime number 

Common Denominators

100

What are common denominators? 

When the denominators of two or more fractions are the same, they are Common Denominators.

200

How do you find common denominators?

Finding a shared multiple

300

Find common denominators. 

3/6 and 1/4

12

400

Find common denominator and rewrite the fractions

3/24 and 5/6

3/24 + 20/24 

500

Find the common denominator and rewrite the fraction 

3/8 + 1/6

9/24 and 4/24 = 13/24

Common Denominators

100

What do fractions need in order to add them? 

Common denominators

200

Find the common denominator

1/2 + 2/10

10

300

Find the common denominator 

4/6 + 3/4

17/12

34/24 

400

Find the common denominator 

2/6 + 1/2 =

2/6 + 3/6

500

Find the common denominator 

4/8 and 6/24

24

Estimating Fractions

100

6/12

1/2

200

13/15

1

300

2/16

0

400

8/15

1/2

500

24/30

1