Equations and Inequality Card Match

Sandy is selling cookies for her Girl Scout troop. If she sells at least 100 boxes, then she earns a prize. She has sold 43 boxes already; how many more does she need to sell to earn a prize? ​ (a)  

• x + 43 ≥ 100
• x - 43 ≥ 100
• x + 43 = 100
• x + 43 < 100

A square has four equal sides each measuring​ 21 inches in length. What is the perimeter of the square?​ ​ (a)  

• x ÷ 4 = 21
• 4 x 21
• 21 + 21 + 21 + 21
• 4x =

​ Sanil wants to start saving his money to by a cell phone. He needs to save at least $275. Sanil makes $9 an hour. How many hours does he need to work to buy a phone? ​​ ​ (a)  

• 9x ≥ 275
• 9x < 275
• 9x = 275
• 9x > 275
• 9x + 275

Denise wants to build a fence around her yard. She needs 160 pieces of wood. She already bought 40 pieces. How many more does she need to buy? ​ (a)  

• x + 40 = 160
• x - 40 = 160
• x * 40 = 160

Mark has credit card debt. Last month he made a payment of $40 and now he owes $160. How much debt did Mark begin with? ​ (a)  

• x - 40 = 160
• x + 40 = 160
• x - 160 = 40

DeAndre has a maximum of $15 to spend at the movie theater. His movie ticket cost $6.50. How much money can he spend on snacks? ​ (a)  

• x + 6.50 ≤ 15
• x - 6.50 ≤ 15
• x + 6.50 ≥ 15
• x + 6.50 = 15

Molly's mom gave her $15 to spend at the carnival. Her mom told her she must come home with some change. She spend $1.50 on a hot dog and $5 on rides. How much money does she have left to spend? ​ (a)  

• x + 6.50 < 15
• x - 6.50 < 15
• x + 10.50 < 15
• x + 6.50 = 15

The area of a picture frame is 21 square inches. If the length of the picture frame is 4 inches, then how long is the width. ​ (a)  

• 4x = 21
• 4x = 16
• 4x = 25
• x ÷ 4 = 21

Mike would like to give money to a local charity. With his budget, he can only give 1/8 of his income away. How much money does he need to make this month to give more than $100? ​ (a)  

• x ÷ 8 > 100
• x + 8 > 100
• x - 8 > 100
• 8x = 100