Writing Equations

Write an equation that could be used to find how many packs of DVDs you can buy with 168 dollars if one pack costs 12 dollars.

• 168x = 12
• 12x = 168
• 12(168) = x
• 12 / x = 168

Tags

CCSS.HSA.CED.A.3

Tim's high school played 14 football games this year. The team won most of their games. They were defeated during 2 games. Write an equation that could be used to find how many games they won.

• 14 + x = 2
• x - 2 = 14
• x + 2 = 14
• 14 + 2 = x

Tags

CCSS.HSA.CED.A.3

There were 39 bales of hay in the barn. Jason stacked more bales in the barn today. There are now 95 bales of hay in the barn. Write an equation that could be used to find how many bales did he stored in the barn.

• x + 39 = 95
• 39 + 95 = x
• x + 95 = 39
• 39x = 95

Tags

CCSS.HSA.CED.A.3

Sally had 10 peaches left at her roadside fruit stand. She went to the orchard and picked more peaches to stock up the stand. There are now 73 peaches at the stand. Write an equation that could be used to find how many peaches she picked.

• x + 10 = 73
• 73 + x = 10
• 10x = 73
• x - 10 = 73

Tags

CCSS.HSA.CED.A.3

After eating at the restaurant, Mary, Jason, and Keith decided to divide the bill evenly. If each person paid 36 dollars, what was the total of the bill? Write an equation that could be used to solve this problem.

• 3x = 36
• 3/x = 36
• 36x = 3
• x/3 = 36

Tags

CCSS.HSA.CED.A.3

There are 34 pine trees currently in the park. Park workers will plant more pine trees today. When the workers are finished there will be 50 pine trees in the park. Write an equation that could be used to find how many pine trees they planted.

• 50 + x = 34
• 34 + x = 50
• x - 34 = 50
• 34 - x = 50

Tags

CCSS.HSA.CED.A.3

Mike found 77 seashells on the beach, he gave Fred some of his seashells. He has 15 seashell left. How many seashells did he give to Fred? Write an equation that could be used to solve this problem.  

• 15x =77
• x - 15 = 77
• 15 + x = 77
• x + 77 = 15

Tags

CCSS.HSA.CED.A.3

Mary has 24 books in her library. She bought several books at a yard sale over the weekend. She now has 58books in her library. How many books did she buy at the yard sale ? Write an equation that could be used to solve this problem.  

• x - 24 = 58
• 24 + x = 58
• 58 + x = 24
• 58 + 24 = x

Tags

CCSS.HSA.CED.A.3

Last week Tim had 11 dollars. He washed cars over the weekend and now has 79 dollars. How much money did he make washing cars? Write an equation that could be used to solve this problem.  

• 11 - x = 79
• x - 11 = 79
• 79 + 11 = x
• 11 + x = 79

Tags

CCSS.HSA.CED.A.3

Alyssa is baking a cake. The recipe calls for 7 cups of flour. She already put in 3 cups. How many more cups does she need to add? Write an equation that could be used to solve this problem.  

• 3 + x = 7
• 7 + 3 = x
• 3x = 7
• 7x = 3

Tags

CCSS.HSA.CED.A.3