Equations and Word Problems

A new pack of DVDs costs $12. If Mrs. Boas has $168, how many DVD packs can she purchase? Write an equation that could be used to find how many packs of DVDs you can buy with $168.

• 168x = 12

• 12x = 168

• 12(168) = x

• 12 / x = 168

Tim's high school won 12 football games this year. The team won most of their games, but they were defeated twice. Write an equation that could be used to find how many games they played.

• 12 + x = 2

• x - 2 = 12

• x + 2 = 12

• 12 + 2 = x

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

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

After eating at the restaurant, Mary and her two friends decided to divide the bill evenly. If each person paid 12 dollars, what was the total of the bill? Write an equation that could be used to solve this problem.

• 3x = 12

• 3/x = 12

• 12x = 3

• x/3 = 12

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

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

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

Twice a number is 28. Write an equation that could be used to find that number.

• 28x = 2
• 2x = 28
• x/2 = 28
• 2/x = 28

The quotient of 39 and a number is 3. Write an equation that could be used to find that number.

• 3/x = 39
• x/39 = 3
• 39/x = 3
• x/3 = 39