Translating Expressions & Equations

"Combined" represents what operation?

• Subtraction

• Addition

• Multiplication

• Division

"Subtracted from" and "less than" are terms that mean you need to "turn" or "flip"  the terms around.

• True

• False

5 less than the product of 7 and s

• 7s - 5

• 5 - 7 + s

• 7(s - 5) 

• 5 - 7s

Translate the sentence into an equation:
Four more than six times a number is 18.

• 10x = 18

• 4x + 6 = 18

• 4 + 6x = 18

• not enough info

Two more than 4 times a number is -18.

• 4x + 2 = -18

• 2x + 4 = -18

• 18 = 4x +2

What does "product" mean?

• Multiply

• Divide

• Add

• Subract

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign

• Expressions do not have an equal sign and equations do have an equal sign

• There is not a difference

• Expressions do not have variables and equations have variables

Translate the sentence into an equation.
Seven subtracted from n is 18 

• n + 7 = 18

• 7 - n = 18

• n - 7 = 18

• n + 7 = 18n

How would you translate
x - 5 = 12 into words?

• x - 5 = 12

• The product of x and 5 is twelve

• x less than 5 is 12

• Five less than x is 12.

Translate: two times the sum of a number and five 

• 2 + y + 5

• 2y + 5 

• 2(y + 5)

• 2 - y + 5