Kaiden's 7th Grade Math Review

Equations

100

Solve for x.  x + 27 = 62

x = 35

200

Solve for x.  2x + 7 = 35

x = 14

300

Find the value of x.  2(x+2) = 2

x = -1

400

Find the value of x.  15 = -3x + 3

x = -4

500

Solve using the Distributive Property.

3(2x - 6) = 36

x = 9

Integers

100

Order from least to greatest.

-2, 3, -9, -1

-9, -2, -1, 3

200

Solve  29 + (-34).

-5

300

Solve 22 - 56.

x = -34

400

Solve (-12) X (-9)

108

500

Find the quotient (-144) / 4

-36

Circles

100

Fill in the following vocabulary words on the circle.

radius, diameter, area, and circumference

Miss Sarah will check the labels.

200

Find the area of a circle with a radius of 2 mm. (Use 3.14 for pi)

12.56 mm squared

300

Find the area of a circle with a diameter of 10 in.

(Use 3.14 for pi)

78.5 in squared

400

Find the circumference of a circle  with a diameter of 6 in.

(Use 3.14 for pi)

18.84 in.

500

Find the radius of a circle with an area of 28.26 cm squared (Use 3.14 for pi)

r = 9

Percentages

100

Find 10% of 100.

10

200

30 is what percent of 120?

25%

300

What is 22% of 300?

66

400

15 is 25% of what number?

60

500

8 is what percent of 160?

5%

Salad

100

How many atoms of hydrogen are in H20?

2

200

Which system moves blood through the body?

The Circulatory System

300

How many estates were there in France during the French Revolution?

3

400

What is the adjective in the sentence, "The dogs ran to the tall tree and took a nap."

tall

500

The ratio of red dye to blue dye, while making purple dye is 2:3.  If Sally uses 18 drops of blue dye, how many red drops does she need?

12 red drops