Solve for x: One-Step Equations Adventure

Maria has 15 apples. She gives away some apples to her friend. If she has 9 apples left, how many apples did she give away?

• 8

• 10

• 6

• 4

Tags

CCSS.2.OA.A.1

A book costs $12. If you have $x, how much more money do you need to buy the book? Write the equation and solve for x.

• x + 12

• 12 - x

• x - 12

• 12 / x

Tags

CCSS.6.EE.B.7

Tom is 5 years older than his sister. If his sister is x years old, how old is Tom? Write the equation and solve for x.

• Tom is x years old.

• Tom is x - 5 years old.

• Tom is x + 5 years old.

• Tom is x + 10 years old.

Tags

CCSS.6.EE.B.6

A box contains 20 chocolates. If you eat x chocolates, how many chocolates are left in the box? Write the equation and solve for x.

• 20 - x

• x - 20

• 20 + x

• 20 / x

Tags

CCSS.6.EE.B.7

The temperature was 30 degrees in the morning. It dropped by x degrees in the evening. If the evening temperature is 20 degrees, how much did it drop?

• 15 degrees

• 10 degrees

• 25 degrees

• 5 degrees

Tags

CCSS.6.EE.B.7

A car travels 60 miles in x hours. If the speed of the car is 15 miles per hour, how many hours did it take to travel that distance? Write the equation and solve for x.

• 3 hours

• 2 hours

• 5 hours

• 4 hours

Tags

CCSS.6.EE.B.7

Lily has $50. She spends x dollars on a toy. If she has $30 left, how much did she spend? Write the equation and solve for x.

• 35

• 25

• 15

• 20

Tags

CCSS.6.EE.B.7

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

• 10 cm

• 15 cm

• 5 cm

• 20 cm

Tags

CCSS.6.EE.B.7

A farmer has x cows. If he buys 5 more cows, he will have 20 cows in total. How many cows did he start with? Write the equation and solve for x.

• 10

• 25

• 30

• 15

Tags

CCSS.6.EE.B.7

In a class, there are x students. If 8 more students join, there will be 25 students in total. How many students were there originally? Write the equation and solve for x.

• 20

• 15

• 17

• 22

Tags

CCSS.6.EE.B.7