7th Grade Semester Final Review

Simplify

100

Simplify

-8-(-15)

7

200

Find the prime factors of 30

2, 3, 5

300

Reduce 42/49

6/7 he he he

400

What is the absolute value of -3

3

500

Simplify

4/23 -(-9/23) 

13/23

Fractions and Decimals

100

1/3 + 5/6 

7/6 or 1 1/6

200

-6/7 divided by -1/2

12/7 or 1 5/7

300

Mulitply 

(11/5) ( 2/8)

22/40 which reduces to 11/20

400

Convert 237? to a decimal

2.37

500

Convert 4.94% to a decimal

.0494

Conversions and Points

100

4 yards is how many feet?

12 feet

200

What is 72 fluid ounces in cups

9 cups (8 oz in 1 cup)

300

Convert .45454545 repeating to a fraction

45/99

400

Given the points (-4, -2) and (3, 5) find the slope

7/7 = 1

500

In what quadrant is the point (-2,3) 

II

Random

100

What does supplementary mean?

The angles add to 180 degrees

200

Given 2 intersecting lines with one angle of 40 degrees, what is the measure of the angle right next to it?

140 (supplementary angles add to 180)

300

Given the equation y=9x+20, what is y when x is 2

y=38

400

What is the name of a quadrilateral with 1 set of parallel sides

Trapezoid

500

Given a triangle with base 12 inches and height 6 inches, what is the area?

36 inches²

Shapes

100

What is the formula for the area of a rectangle

A = l X w or A = b X h

200

Given a circle with a diameter of 30, what is the circumference

30pi

300

Given a triangle with sides 16, 12, and 18, is it a right triangle?

No 

a²+ b² does not = c² 

400

Given a cube with side length 3 feet, what is the volume

27 ft ³

500

Given a cone with radius 20 and height 21, find the volume

2,800 pi