Math 7 Unit 2 Review

Order of Operations and Evaluating Expressions

100

48 / 8 (2⁴) - (6-11)²

71

200

5² - 27 / 3²

____________

     (-2)²

11/2

300

12k + k²

______

-2(k-4)

if k=2

7

400

(1/2)x² + 6x

If x=-4

-16

500

r² + 4rs²

If r=3 and s=-2

57

Simplify and Factor Expressions

100

-6a + 15 - 14a + 8

-20a + 23

200

-y + 2y + 6 - 10y

-9y + 6

300

-12x - 15y

 -3(4x+5y)

400

8m + 35

Prime

500

-2(4x - 6) + 18x - 10

2(5x + 1)

Translating, Adding, and Subtracting Expressions

100

a number decreased by 20

n -20

200

the amount of money in Casey's bank account after a $100 withdrawl.

m-100

300

the difference of 8 and the quotient of a number and -14

(n/-14) - 8

400

(-8-5v)+(16v-19)

3a - 25

500

subtract 4-n from 16n+21

17n+17

Operations with Monomials

100

3a³b + 14a³b

17a³b

200

107¹¹ x 107⁹

107²⁰

300

64¹⁸

______

-4³

(-16)¹⁵

400

(5x²)³

125x⁶

500

(-11x⁴y²)² - 7x⁸y⁴

114x⁸y⁴

Properties

100

What property is shown below?

6(24x + 10) - 13 = 144x + 60 - 13

Distributive 

200

By the associative property, 2² x (5² x 3²) is equivalent to which expression? 

(2² x 5²) x3²

300

Create an equal expression using the commutative property. 

12 x (10 + 4)

12 x (4+10)

400

What is the multiplicative inverse of 2?

1/2

500

Create an expression that follows the multiplicative inverse property using the number 4.

4 x (1/4) = 1