Solving One-Step Equations in Everyday Scenarios

Maria has 12 apples. She gives some apples to her friend and now has 8 apples left. How many apples did she give away?

• 6

• 2

• 10

• 4

A book costs $15. If you have $x, how much more money do you need to buy the book?

• x + 15

• x - 15

• 15 - x

• 15 + x

Tom has 5 more than twice the number of marbles that Jerry has. If Jerry has x marbles, how many marbles does Tom have?

• 2x - 5

• 3x + 5

• 2x + 5

• x + 5

A box contains 20 chocolates. If you eat x chocolates, how many chocolates are left in the box?

• 20 - x

• x chocolates

• 20 - 20 + x

• 20 + x

The temperature was 30 degrees in the morning. By noon, it increased by x degrees. If the temperature is now 45 degrees, what is x?

• 15

• 20

• 10

• 25

A car travels 60 miles per hour. If it travels for x hours, how far does it go?

• x miles

• 60x miles

• 120x miles

• 60 miles

Samantha has $50. She spends x dollars on a toy. How much money does she have left?

• 50 + x

• 50 - x

• 50 / x

• x - 50

A rectangle has a length of 10 cm and a width of x cm. If the perimeter is 40 cm, what is the value of x?

• 10

• 20

• 15

• 5

A farmer has x chickens. If he buys 5 more, he will have 20 chickens. How many chickens did he start with?

• 15

• 25

• 10

• 30

A school has x students. If 10 more students enroll, the total becomes 150. How many students were there originally?

• 150

• 130

• 140

• 120