Math Review

Adding/Subtracting Fractions

100

Add or subtract the fractions. Simplify if possible. 

 3/4 + 5/8 

11/8 or 1 3/8

200

Add or subtract the fractions. Simplify if possible.

8/10 - 4/5

0

300

Add or subtract the fractions. Simplify if possible.

2/3 + 1/2 + 3/4

23/12 or 1 11/12

400

10 3/6 + 12 5/6

23 2/6 or 23 1/3

500

8 5/8 - 2 1/3

6 7/24

Common Denominators/Factors

100

Find the Least Common Denominator for 1/2 and 1/7 

14

7/14 and 2/14

200

Find a common denominator for 

1/3 and 4/5

L.C.D = 15

5/15 and 12/15

300

Use the Greatest Common Factor to simplify this fraction:

63/81

7/9

400

Find the least common denominator for these two fractions:

4/5 and 6/11

L.C.D. = 55

44/55  and 30/55

500

Find the G.C.F and simplify this fraction 

13/91

1/7

Vocabulary

100

The numerator

The top number in a fraction

200

Denominator

The bottom number in a fraction

300

Factor

A number that goes into another number evenly - 

12 has 6 factors - 1, 2, 3, 4, 6, and 12

400

Multiple

The answer you get when you multiply a number by an integer (another name for a number) - multiples of 5 are 5, 10, 15, 20, 25, 30, 35.....

500

Reciprocal

A fractions opposite value - the reciprocal of 

3/4 is 4/3

No Fractions Here!

100

6xx7

42

200

15x17=

255

300

Rewrite 7x7x7x7x7 in exponent form

7^5

400

What is Mr. Kenslea's age times the number of fish tanks he owns?

32x3= 96

500

Name the first 10 multiples of 9

9, 18, 27, 36, 45, 54, 63, 72, 81, 90