Fractions and Mixed Numbers

Factors and Multiples

100

What are the first ten multiples of 4?

4, 8, 12, 14, 20, 24, 28, 32, 36, and 40

200

List all the factors of 16.

1, 2, 4, 8, 16

300

What is the LCM of 3 and 6?

3: 3, 6, 9, 12

6: 6, 12

12

400

What is the GCF of 24 and 18?

18: 1, 2, 3, 6, 9, 18

24: 1, 2, 3, 4, 6, 8, 12, 24

6

500

What is a common denominator for 1/6 and 1/4?

12

Like Denominators

100

1/3 + 2/3 =

3/3= 1

200

5/6-2/6=

3/6=1/2

300

4/5+2/5=

6/5= 1 1/5

400

7/8-5/8=

2/8=1/4

500

1/2+1/2+1/2=

3/2=1 1/2

Unlike Denominators

100

1/4+2/8=

4/8=1/2

200

5/6-2/3=

1/6

300

4/5+1/2=

13/10=1 3/10

400

2/3-4/6=

0/6=0

500

What number makes the equation true?

1/7+4/7=3/7+?/7

?=2

Mixed Numbers

100

1 2/4 + 3 1/4=

4 3/4

200

5 2/5 - 3 1/5=

2 1/5

300

5 3/8 + 2 1/4=

7 5/8

400

5 3/5 - 2 1/10=

3 5/10 = 3 1/2

500

Miss Hatton's class recycled 7 2⁄4 boxes of paper in a month. If they recycled another 4 4⁄6 boxes the next month was is the total amount they recycled?

11 14/12 = 12 2/12= 12 1/6

Miscellaneous

100

Decompose 3/5 two different ways.

1/5+2/5

1/5+1/5+1/5

200

What is the top number of a fraction called?

What is the bottom number called?

Numerator

Denominator

300

What is a fraction with a numerator that is bigger than the denominator called?

Example: 4/3

Improper Fractions

400

Decompose 4/6 as a sum of unit fractions. (Hint: unit fractions have 1 in the numerator.)

1/6+1/6+1/6+1/6

500

Reduce 25/4 into a mixed number.

6 1/4