7th Grade Math Review - Chapters 1-3

Additional Thoughts?

100

Evaluate the following expression:

-3 + 10

7

200

Evaluate the following expression:

4 - 13

-9

300

Evaluate the following expression:

-8 - 6

-14

400

Evaluate the following expression:

-15 - (-10)

-5

500

Evaluate the following expression:

-5.6 - 13.8

-19.4

A House Divided

100

Evaluate the following expression:

-8 x -9

72

200

Evaluate the following expression:

-20 / 2

-10

300

Evaluate the following expression:

1/2 x -1/3

-1/6

400

Evaluate the following expression:

-9.9 / -18

0.55

500

Evaluate the following expression:

-0.25 / 3.6

-0.0694444...

Keep It Simple

100

Identify the like terms in the expression:

x² - 9x + 3x - 3

-9x, 3x

200

Identify the like terms in the expression:

4x² + 3y + 2x - 8x² + y

4x², -8x²

3y, y

300

Simplify the following expression:

9x² - 8x + 6x + 12 - 4

9x² - 2x + 8

400

Simplify the following expression:

(15x - 3) + (-12x + 7)

3x + 4

500

Simplify the following expression:

(-9x + 6) - (5x - 10)

-14x + 16

Fear Factor

100

Simplify the following expression:

9(3x - 8)

27x - 72

200

Simplify the following expression:

-2(3x - 4)

-6x + 8

300

Simplify the following expression:

9 - 15(4x - 5)

-60x + 84

400

Factor out the coefficient of the variable term:

3y - 42

3(y - 14)

500

Factor out the coefficient of the variable term:

-1/8x + 9/8

-1/8(x - 9)

Turn of Phrase

100

Every fraction is a...

"Division problem."

200

When we subtract, we need to...

"Add the opposite."

300

The rule for multiplying and dividing rational numbers.

"Two negatives cancel out."

400

The rule or phrase we say to remember how to add rational numbers.

"Same sign add, different sign subtract"

500

Watch the gesture I make.

Explain the concept it refers to.

Absolute value; the distance from zero.