7th Grade Expressions

Perimeter

100

How do I find the perimeter of a figure?

Add up all the sides. 

200

Find the perimeter of the following figure.

Perimeter= 40.4

300

Find the perimeter 

12x+12

400

Find the perimeter.

4n²+4n+1

500

Find the perimeter.

2x²+15x+17

Adding and Subtracting Polynomials

100

(7x - 9) + (-12x + 2)

What is 

-5x - 7

200

(6x - 2) - (8x + 1)

What is -2x - 3?

300

(-9x² -2x+6) + (4x² -x - 5)

What is -5x²-3x-1

400

(2x² - 4x +5) - (-4x² + 5x - 7)

What is 6x² - 9x + 12 

500

(-12m² - 4m) - (9m² +4m - 8)

What is -21m² - 9m + 8

Evaluating Expressions

100

Evaluate the expression when e = -3. 

10 - e

What is 13

200

Evaluate the expression if d = 8 e = -3 and g = -1.

8g - d

What is -16

300

Evaluate the expression when e= -5

e² - 4x + 2

What is 47

400

Evaluate the expression if d = 8 e = -3 and g = -1.

4e² - g 

What is 37

500

Evaluate the expression if x = 3.2, y = -6.1, and z = 0.2.

x² + y³ - 2z

What is -217.141

Distributive Property & Combining Like Terms

100

Combine the like terms. 

-2y + 4 +6y - 9 

What is 4y - 5

200

Distribute:

-2(4x + 7)

-8x - 14

300

Combine Like terms. 

8z² + z - 5 - 9z² + 2

-1z² + z - 3 

400

Distribute and Combine like terms 3x - 5(4x -3) -7

What is -17x + 8

500

Simplify 5(3x + 4) - 6(2x + 5)

What is 3x - 10

Factoring

100

What is the GCF of 15 and 12. 

What is 3

200

Factor 4x + 12

What is 4(x+3)

300

Factor the expression: 

15m - 18n 

3 (5m - 6n)

400

Factor the expression 20x - 15y

What is 5(4x - 3y)?

500

Factor the expression 6x + 12y - 15z

What is 3(2x + 4y -5z)