Understand Equations and Solutions & P.O.E
4-1 & 4-2
Write and Solve addition, subtraction, multiplication, and division equations
4-3 & 4-4
Write and solve equations with Rational Numbers
4-5
Understand and solve inequalities
4-6 & 4-7
Random
100

Which Property of equality is being used?

if 6 + 2 = 8, then 6+2-2= 8 -2 

Subtraction Property of Equality 

100

42 = y + 15

y = ? 

y = 27

100

5 1/2 + x = 7 1/2

x =?

x = 2 

100

x < 10

What are THREE possibilities for what x could be:

Answers may vary: -6 , 0 , 9, -1,000 , 5

100

Solve: 12x = 19.2

x = 1.6

200
Which Property of Equality is being used here?


if 5 + 4 = 9, then 5 + 4 / 3 = 9 / 3

Division Property of Equality 

200

x - 15 = 31

x =?

x = 46

200

x/8 = 4 

x = ?

x = 32

200

Write an inequality sentence that represents the graph:

x is greater than or equal to 6 

200

67 = 256 - x 

x= 189

300

f + 12.5 = 26 


f = ?

f = 13.5

300

45x = 270

x = ?

x = 6

300

25x = 5 

x = ?

x=1/5 

300


Answer: C

300
What property of Equality is being shown?


6x = 24 

6x + 5 = 24 - 5 

No solution 

400

160 / y = 80 

y = ?

y = 2

400

66 = a / 11

a = ?

a = 726

400

15.95 = 3.19n 

n = ? 

n = 5

400

Write an inequality : the measurement is greater than 23 inches


m > 23

400

x + 5 3/4 = 8 3/4

x = 3

500

a + 13.7 = 29.9

a = ?

a = 16.2

500

13.87 = a - 22.23

a = ?

a = 36.10

500

2 2/3 + y = 4 1/4

y = ?

y = 1 7/12

500

Write the inequality that matches the number line


x is less than or equal to -1 

500

7/9x = 6 2/9

x = 8