Solving One Variable Word Problems & Checking Solutions

Ava has 12 apples. She gives some to her friend and now has 7 apples left. How many apples did she give away?

• 10

• 5

• 3

• 8

Tom is 4 years older than his sister. If his sister is x years old, write an equation to represent Tom's age and find Tom's age if his sister is 10.

• 14

• 12

• 16

• 8

A book costs $15. If you buy x books, how much will you spend? Write an equation and find the total cost if you buy 3 books.

• The total cost for 3 books is $60.

• The total cost for 3 books is $30.

• The total cost for 3 books is $15.

• The total cost for 3 books is $45.

Liam has a collection of stamps. He has 25 stamps and decides to buy more. If he buys x more stamps, how many stamps will he have? Write an equation and find the total if he buys 10 more stamps.

• 20

• 35

• 30

• 40

Sarah is saving money for a toy that costs $50. If she currently has $x saved, how much more does she need to save? Write an equation and find out how much more she needs if she has $30 saved.

• 20

• 15

• 25

• 10

A rectangle has a length of 10 cm and a width of x cm. If the perimeter is 40 cm, what is the width of the rectangle? Write an equation and solve for x.

• 10 cm

• 5 cm

• 15 cm

• 20 cm

In a class, there are x students. If 5 more students join, the total becomes 30. Write an equation to find the number of students in the class before the new students joined.

• 15

• 25

• 10

• 20

A car travels at a speed of 60 km/h. If it travels for x hours, how far does it go? Write an equation and find the distance if it travels for 2 hours.

• 150 km

• 90 km

• 100 km

• 120 km

Emma has a jar with x candies. She eats 3 candies and now has 15 left. How many candies did she have originally? Write an equation and solve for x.

• 21

• 18

• 12

• 15

A farmer has x chickens. If he buys 5 more chickens, he will have 20 chickens in total. Write an equation to find out how many chickens he had before the purchase.

• 25

• 10

• 30

• 15