Subtraction With An Unknown

Use your calculator, scrap paper, or whiteboard to solve the one step equation

• 55

• 35

• 31

• 66

Use your calculator, scrap paper, or whiteboard to solve the one step equation

• 18

• 29

• 11

• 47

Use your calculator, scrap paper, or whiteboard to solve the one step equation

• 35

• 3

• 32

• 29

Use your calculator and scrap paper or whiteboard to solve the one step equations with negative numbers

• -13

• -10

• 7

• -7

Use your calculator and scrap paper or whiteboard to solve the one step equations with negative numbers

• 6

• -6

• 1

• -7

Use your calculator and scrap paper or whiteboard to solve the one step equations with negative numbers

• -29

• -53

• -24

• 82

a number decreased by 25

• k - 25

• k + 25

• 25 < k

• 25 - k

Which word describes the following: 14 - 11

• sum

• difference

• product

• quotient

If you see "decreased by" or "fewer than", or "less than" in a word problem, which operation should you use?

• addition

• subtraction

• multiplication

• division

What is a letter that represents an unknown number?

• variable

• quotient

• expression

• equation