Pre-Algebra

Area and Perimeter

100

A square has a side measuring 6 in. What is the area of the square?

36 sq. in.

200

A rectangle has a length of 13 cm and a width of 7 cm. What is the perimeter of the rectangle?

40 cm

300

A triangle has a height of 4 cm and a base of 6 cm. What is the area?

12 sq. cm.

400

A rectangle has a width of 2 and a length of w + 6. What is the perimeter and area of the rectangle?

Perimeter: 2w + 16 Area: 2w + 12

500

A triangle has two sides measuring 10 ft and a base of 12 ft. The height is 8 ft. What is the area of the triangle?

48 sq. ft.

Solving for x

100

x + 12 = 73

x = 61

200

6x = 48

x = 8

300

4x + 4 = 32

x = 7

400

x/3 - 8 = 17

x = 75

500

8x + 14 = - 2

x = -2

Simplify

100

5x + 14 - 3x

2x + 14

200

18x - 20 - 7x + 14

9x - 6

300

3 (3x - 9)

9x - 27

400

7 (2x - 3) -10x + 13

4x - 8

500

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

44x - 6

Integers

100

7 + (-3)

4

200

-55 - 32

-87

300

16 - (-8)

24

400

-3 - (-5) - 12

-10

500

37 - 14 + (-4) - (-8)

27

Anything

100

Which of the following lengths below could be used to make a right triangle?

A. 15, 20, 25

B. 14, 19, 26

C. 17, 19, 21

D. 8, 11, 14

A. 15, 20, 25

200

What is the formula for slope intercept? 

(hint: y= ? )

y = mx + b

300

What is the lowest category "0" falls in? 

Whole Number

400

Steven needs to buy a new pair of sneakers for $49.56. If the sales tax is 6.5%, how much sales tax will Steven pay on his new sneakers? 

$3.22

500

What kind of numbers are irrational?

AND

What kind of numbers are rational? 

Irrational: not terminating and not repeating decimals

Rational: repeating and terminating decimals, fractions