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Equivalent Expressions

100

Simplify a + a + b

2a + b

200

x + x + 1 + 5

2x + 6

300

m + m + 7 + m + m + 3

4m + 10

400

p divided by 2/3

3p/2

500

4 1/8 divided by 11s

3/8s

Equivalent Equations

100

Which equations have equivalent solutions?

a. 26 - d = 8

b. d + 8 = 26

c. 8 + 26 = d

a. 26 - d = 8

b. d + 8 = 26

200

Which equations have equivalent solutions?

a. y/8 = 4

b. 4 = 1/8 . y

c. 4 . 8 = y

d. 4y = 8

a. y/8 = 4

b. 4 = 1/8 . y

c. 4 . 8 = y

300

Which equations have equivalent solutions?

a. 223 = 409 - k

b. 409 - 223 = k

c. k = 409 + 223

d. 409 = 223 + k

a. 223 = 409 - k

b. 409 - 223 = k

d. 409 = 223 + k

400

Which equations have equivalent solutions?

a. c / 3/5 = 15

b. 3c = 75

c. 15 = 3c/5

d. 3/5 . c = 15

b. 3c = 75

c. 15 = 3c/5

d. 3/5 . c = 15

500

Which equations have equivalent solutions?

a. (x + 4)/2 = 6

b. 12 = x + 4

c. 2 + x = 6

d. 6 = 2 + x/2

a. (x + 4)/2 = 6

b. 12 = x + 4

d. 6 = 2 + x/2

Evaluating Expressions

100

What is the value of the expression when x = 1 1/2?

x + 4

5 1/2

200

What is the value of the expression when x = 1 1/2?

7 - x

5 1/2

300

What is the value of the expression when x = 1 1/2?

5x

7 1/2

400

What is the value of the expression when x = 1 1/2?

x/3

1/2

500

What is the value of the expression when x = 1 1/2?

x²

9/4 or 2 1/4

Solving Equations

100

What is the solution that makes this equation true?

f - 8 = 10

f = 18

200

What is the solution that makes this equation true?

4f = 44

f = 11

300

What is the solution that makes this equation true?

20 = f + 13

f = 17

400

What is the solution that makes this equation true?

3 = f/9

f = 27

500

What is the solution that makes this equation true?

f² + 6 = 22

f = 4, -4

Writing Expressions

100

I did an experiment and forgot to measure the original height of the plant. I know it grew 5 inches. What was the original height if it is currently

a. 12 inches

b. h inches

a. 7 inches

b. h - 5

200

A frame increases the width of my photo by 2 3/4 inches. What is the width if original width is

a. 11 1/4 inches

b. w inches

a. 14 inches

b. w + 2 3/4

300

Each orange costs $0.75. What is my total for

a. 8 oranges

b. g oranges

a. $6

b. 0.75g

400

When I order food, there is a $4.50 service fee. What is my total if the cost of the food is

a. $28

b. f

c. What is the cost of food if the total is $60?

a. $32.50

b. f + 4.5

c. $55.50

500

In my garden 2/5 of the vegetables are tomatoes. How many tomatoes do I have if I have

a. 20 vegetables

b. v vegetables

c. How many vegetables do I have if there are 6 tomatoes?

a. 8 tomatoes

b. 2/5 v

c. 15 vegetables