Grade 8 Word Problems

All 20 Practice Problems

Every question in this set. Solve them on paper, or use the interactive tool above for instant feedback and hints.

1. 1.The sum of three consecutive integers is 78. What is the largest integer?
2. 2.A rectangle has a perimeter of 56 cm. If the length is 4 cm more than the width, what is the length?
3. 3.Two numbers are in the ratio 3:5. If their difference is 14, what is the larger number?
4. 4.A ladder 13 feet long leans against a wall. The base is 5 feet from the wall. How high does the ladder reach?
5. 5.The price of a shirt after a 20% discount is $48. What was the original price?
6. 6.Three times a number decreased by 7 equals 29. What is the number?
7. 7.A right triangle has legs of 6 cm and 8 cm. What is the length of the hypotenuse?
8. 8.If y varies directly with x and y=15 when x=5, find y when x=8.
9. 9.A car travels at 60 mph for 2 hours and then 40 mph for 3 hours. What is the total distance?
10. 10.The sum of two numbers is 50 and their difference is 16. What is the larger number?
11. 11.A triangle has angles in the ratio 2:3:4. What is the measure of the largest angle?
12. 12.If 5 less than 3 times a number is 25, what is the number?
13. 13.A pole casts a 15-foot shadow. At the same time, a 6-foot person casts a 4.5-foot shadow. How tall is the pole?
14. 14.The product of two consecutive positive integers is 72. What is the larger integer?
15. 15.A wire 60 cm long is bent into a rectangle. If the width is 10 cm, what is the length?
16. 16.If y = 3x - 5 and x = 4, what is the value of y?
17. 17.A store sells shirts for $25 each. With a 15% discount, how much does one shirt cost?
18. 18.The area of a square is 144 sq cm. What is the perimeter?
19. 19.Two angles are supplementary. One is 40 degrees more than the other. Find the larger angle.
20. 20.A number is doubled and then 8 is added. The result is 26. What is the original number?