Inverse
Writing Expressions
Writing Equations
Solving One-Step Equations
Solving Two-Step Equations
100

To get the variable ALONE on one side of the = sign, you need to use the INVERSE OPERATION.

How would you solve this problem:

34x=68

divide both sides of the equation by 34

100
This is the term for a letter that represents an unknown number.
What is variable?
100
This equation represents "the sum of a number and 8 is 31."
What is n + 8 = 31? (You can use any variable.)
100

This is the value of x in "x - 94 = 70."

What is 164?

100
These two words complete the following phrase: When solving equations, you work backward by following the _________ of ________ in reverse.
What is order; operations
200

To get the variable ALONE on one side of the = sign, you need to use the INVERSE OPERATION.

How would you solve this problem:

x - 28.7 = 64.37

Add 28.7 to both sides of the equation

200
This type of expression only has numbers and operations.
What is numeric?
200

This equation represents "the product of negative twelve and a number is 84."

What is -12n? (You can use any variable.)

200

This is the value of y in "(3) + y = 40."

What is 37?

200
This is the value of c in "2c +1 = 19."
What is c = 9?
300

To get the variable ALONE on one side of the = sign, you need to use the INVERSE OPERATION.

How would you solve this problem:

w + 378 = 900

Subtract 378 from both sides of the equation

300
This expression represents "the sum of a number and fourteen."
What is "x + 14" (You can use any variable!)
300
This is the equation for "the quotient of a number and eleven is 70."
What is q/11 = 70? (You can use any variable.)
300

This is the value of v in "15v = 75."

What is 5?

300
This is the value of x in "3x - 5 = 16."
What is x = 7?
400

To get the variable ALONE on one side of the = sign, you need to use the INVERSE OPERATION.

How would you solve this problem:

m/268 = 374

Multiply both sides of the equation by 268

400

This expression represents "the product of negative eleven and forty."

What is (-11)(40)? (You can represent multiplication in any form we have used.)

400
This equation represents "27 is one-third of a number."
What is 27 = 1/3n. [Or 27 = n/3]
400
This is the value of b in "b/9 = 21."
What is 189?
400
This is the value of w in "w/3 + 2 = 34."
What is w = 32.
500

To get the variable ALONE on one side of the = sign, you need to use the INVERSE OPERATION.

How would you solve this problem:

14.4x = 298.3

Divide both sides of the equation by 14.4

500

This expression represents the following scenario: The total cost of an unknown number of snacks when pizza costs $1.50 per slice, and soda costs $1.25.

What is 1.5p + 1.25s? (You can use any variables.)

500
This equation represents ""two less than four times a number is six."
What is 4n-2 = 6? (Any variable can be used.)
500
This is the value of m in "m/15 = 20."
What is 300?
500
This is the value of d in "4d - 12 = 36."
What is d = 12?
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