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100

Solve 5 + x = 10

x = 5

100

6x < 12

x < 2

100

How would you graph x < 2?

open circle on x, to the left

100

Shane's mom made x cupcakes. Shane ate 4 cupcakes, and there were 16 left over. Write an equation to show how many cupcakes Shane's mom made.

x - 4 = 16; 16 + 4 = x

100
What are the inverse operations of subtraction, addition, division, and multiplication?

subtraction-addition

addition-subtraction

division-multiplication

multiplication-division

200

Solve 4x = 40

x = 10

200

10 > x + 15

5 > x

200

How would you graph x + 5 > 15?

solve to get x > 10, open circle on 10, to the right
200

Sally has a bag of M&Ms. The bag has 100 M&Ms and she shares them evenly between her 5 friends. Write an equation where x is how many M&Ms each friend gets.

5x=100; 100/5=x

200

What is the difference between an equation and an expression?

Equations have an equal sign

Expressions do not

300

Solve 935x = 4660

x = 5

300

x - 5.5 > 3.5

x > 9

300

How would you graph 2x = 14?

A closed circle on 7

300

Andy has 47 books. This is 12 more books than his brother. His brother has x books. Write and solve an equation to figure out how many books Andy's brother has.

x + 12 = 47; x = 35

300

You can only go the way the inequality symbol is pointing when the variable is on the ____ side.

left

400

Solve -15 + x = 20

x = 35

400

x/50 < 1000

x < 50000

400

Harry spent over $300 fixing his car. How would you graph this inequality?

x > 300; open circle on 300, arrow to the right

400

Tommy is a chef at a fancy hotel. He make more than 500 pancakes a day when he works the morning shift. Create an inequality to represent the amount of pancakes, p, Tommy makes when he works the morning shift.

p > 500

400

Jacob is 2 inches taller than his brother. What operation would be used in an equation where x is his brother's height, and Jacob is 72 inches tall?

Addition, x + 2 = 72

500

x/15.9 = 2.06 (do not round)

x = 32.754

500

x + 158 < 574

x < 416

500

Joe needs at least $150 to see his favorite band in concert. Write an inequality and graph it for the situation.

x > or = 150; closed circle on 150, arrow to the right

500

Sarah saved up all of her paychecks so that she could go on a shopping spree with her sister. On her shopping spree she spent $237.55. After she checked her bank account she had $126.22 left. Write an equation to show how much she spent and how much she had saved up. Use s to represent how much she had saved before.

s - 237.55 = 126.22

500

When do you flip the inequality sign when you are solving an inequality?

When multiplying or dividing by a negative number

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