Math Review

Order of Operations

100

2(3+4) - 3

11

200

3(4+1) + 7 - 6 + 5/5

17

300

3 + 7(1+2) - 3

21

400

3(9) + 6 - 4(2) + 3(1+4)

40

500

4 (100) - 235 + 3 + 2 - 6 + 3(9) - 18

173

Combining Like Terms

100

3x + 2x

5x

200

5x + 65x + 7y - 6y + 2

70x + y + 2

300

6x + 3y + 4 + 2x + 2y

8x + 5y + 4

400

6x + 3y + 5c + 5y - 2x - 4 + 2 + 10x - c

14x + 8y + 4c + 2

500

5x + 10x + 34y - 30y + 4x+ 4 + 5 - 2x + 4y

17x + 8y + 9

Fractions

100

2/4 + 1/4

3/4

200

1/5 x 2/3

2/15

300

7/8 - 1/4

5/8

400

2/12 x 3/7

6/84

500

3/4 divided by 5/8

1 1/5

Inequalities

100

x is less than 4

x < 4

200

x is greater than 12

x > 12

300

Ms. Dunbaugh has more than 34 books. Write an inequaility for the situation.

x > 34

400

You need to be at least 54 inches to ride the rollercoaster. Write an Inequaility for the situation.

x > 54

500

Ms. Q has at least 30 pictures of her dog. Write an Inequaility for the situation.

x > 30

Decimals

100

2.5 - 1.5

1

200

2.34 + 4.72

7.06

300

3.5 x 8.23

28.805

400

16.2 divided by 4.5

3.6

500

60.35 divided by 12.5

4.828