Expressions and Equations Quiz

Translate: 
Four times a number plus six IS 30.

• 4 + 6 = 30

• 4x + 6 = 30

• x + 4 times 6 = 30

• 30 = 4x

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

a symbol for an unknown value; usually a letter (such as a, x, or y) is the symbol used

• constant

• variable

• coefficient

• term

a mathematical sentence stating that two expressions are equal

• term

• coefficient

• equation

• variable

m+13=21

• m=34

• m=8

• m=273

• m=6

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

Cheryl gets paid $8 per hour for her job at the record store.  She made a total of $96 last week.  Which equation models this situation?

• 96h = 8

• h/96 = 8

• 8h = 96

• h/8 = 96

Write the expression. 
Twelve times the number of feet.

• f + 12

• f - 12

• 12f

• 12 ÷ f

Using the steps shown, Heather tried to simplify this expression. What was her first mistake?

• Step 1

• Step 2

• Step 3

• Step 4