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Vocabulary

100

A(n)  _____ is a mathematical sentence that compares quantities that may or may not be true.

Inequality

200

Use ______ to solve an equation by undoing the operation.

Inverse Operations

300

A(n)____ is a symbol used to show that two expressions are equal.

Equal Sign

400

The property of equality that is used to solve the equation 5 + n = 30 is the ______.

Subtraction Property of Equality

500

The property of equality that is used to solve the equation 2x = 16

Division Property of Equality

Solving One-Step Equations

100

Question 9 on page 422

y=-15

200

Question 12 on page 422

y = 844

300

Question 17 on page 422

y = -308

400

-3x = 36

x = -12

500

Question 15 on page 422

d = 5/9

Using Substitution to Solve Equations or Inequalities

100

Is 50, -50, 20, or -20 the solution of the equation 15 = c - 35?

50

200

Question 3 on page 417

-2

300

Question 5 on page 417

4, 5, and 6

400

Is -32, -2, 2, 32 as solution of the question -8 = d/-4

32

500

Is 3, -12, -3, 12 the solution to the problem

 -6y + 10y = -48

-12

Word Problems

100

Question 10 on page 422

7 tiles

200

Question 23 on page 423

12 and 13

300

Question 19 on page 423

p less than or equal to 50

400

Question 11 on page 422

x + 225 = 480

x = 255

500

Question 13 on page 422

c - 6 = 14

c = 20

Mystery Category

100

Question 16 on page 422

open circle, shaded to the left.

200

Describe how to graph Question 1 on board.

Closed circle shaded to the right. 

300

Describe how to graph Question 3 on board.

Closed circle shaded to the right.

400

Describe how to graph Question 5 on board.

Open circle shaded to the left. 

500

Describe how to graph Question 12 on board.

Closed circle shaded to the right.