7th Grade STAAR 22

Equations

100

5n  +  5  =  45

8

200

7a  +  1  =  36

5

300

7m  + -10 = -10

0

400

12a  + 8  =  -40

-4

500

y/6  -  3  =  5

48

Integers

100

-9  x  5   =

-45

200

3 - -4  =

7

300

-10  +  -12

-22

400

51/-3

-17

500

-14 - 14 = 

-28

Percents

100

Find the percent of change.  20 to 30

50%

200

What is 40% of 85?

34

300

Find the percent of change.  12 to 21

75%

400

What is 2% of 250?

5

500

Percent of change.  36 to 90

150%

Area and Volume

100

What is the formula for area of a triangle?

A = 1/2 bh

200

Formula for Volume of a Square Pyramid

V = 1/3 Bh

300

Formula for Volume of Prism of a Cube

V = Bh

400

The volume of a shoe box is 96 cm².  The length is 4 cm and the width is 2 cm.  What is the height?

12

500

What is the volume of a square pyramid with a height of 11m and a square side length of 3m?

33

Circles

100

What is the formula for Circumference?

C = 2pir

C = pid

200

Write the formula for Area of a Circle.

A = pir2

A = pi x r x r

300

If the diameter of a circle is 12 cm then the radius must be?

6 cm

400

If the diameter of a circle is 10cm, then what would be the closest to its circumference?

30

500

The radius of a circle is 2m.  What is the approximate area?

12