Expanding/ Factoring and Distributing Expressions
This is the math property that allows you to write 3(x+4) as 3x+12
What is the Distributive Property?
This is a letter or symbol used to represent an unknown number in an expression.
What is a variable?
This is the math term for replacing a variable with a number and solving.
What is evaluating?
This is the number you can add, subtract, multiply, or divide a variable by to isolate it and solve the equation.
What is the inverse operation?
This type of equation uses real-life situations, like shopping or traveling, to represent and solve for unknown values.
What is a real-world equation?
Expand the expression: 5(x+2)
What is 5x+10?
Write an expression for: “6 more than a number x.”
What is x+6?
Evaluate the expression 5x when x=4.
What is 20?
Solve the equation: x + 7 = 15
What is x = 8 ?
Jenna spent $25 on a backpack and $15 on school supplies. Write an equation to find the total amount she spent.
What is x = 25 + 15 so x = 40?
Factor the expression: 8x+12
What is 4(x+3)
Write an expression for: “Triple the number y, then subtract 4."
What is 3y−4?
Use the formula for the area of a rectangle: A=l×w. What is the area when l=9 and w=6?
What is 54 square units?
Solve the Equation:
5x= 40
What is x = 8 ?
Luis paid $8 per ticket for a group of friends and spent $64 total. Write and solve an equation to find how many tickets he bought.
What is 8x = 64, so x = 8 tickets?
Expand the expression: 2(x+3)+4(x+1)
What is 6x+10?
Alex earns $10 per hour and worked h hours this week. He also earned a $25 bonus. Write an expression to show how much money he earned
What is 10h+25?
The perimeter P of a rectangle is given by P=2l+2w. Write an expression for the perimeter of a rectangle with length l=7 and width w=w
What is P=14+2w?
Solve The Equation:
y - 9 = 14
y = 23
A gym charges a $30 sign-up fee plus $20 per month. If you spent $110 total, how many months have you been a member?
What is 30 + 20x = 110, so x = 4 months ?
Emma bought x packs of stickers for $2 each and 3 notebooks for $5 each. Write and simplify an expression for how much she spent.
What is 2x+15
Write an expression for: “Twice the sum of a number a and 7.”
What is 2(a+7)?
The formula for the volume of a rectangular prism is V=l×w×h. If l=5, w=2, and h=3, write an expression and evaluate it.
V= 5 x 2 x 3
What is 30 square units?
Maya earns $12 per hour. She earned $96 last week. Write and solve an equation to find how many hours she worked.
What is 12h = 96, so h = 8 hours?
Two phone plans are compared. Plan A costs 15x+10, and Plan B costs 12x+25 For how many months do the plans cost the same?
What is 15x + 10= 12x + 25
x = 5 months