Percent increase, percent decrease and percent error
Grade 7 Math Worksheet
Circle the best answer, or write your answer on the line.
Kira's town had 360 people at the summer fair. This year the fair had 35% more people, and the lemonade line wrapped around the block. How many people came this year?
Milo's sailing club sailed 240 miles last summer. This summer it sailed 45% more miles. How many miles did the club sail this summer?
Pia's bunch of grapes weighed 320 grams. Pia ate 45% of it on the hike. How many grams of grapes are left?
Ren's soccer league had 480 players, and 15% moved away over the summer. How many players are in the league now?
A seedling at Zee's school is 30 centimeters tall in April and 75 centimeters tall in July. By what percent did its height increase?
Ari's book club read 15 books last year and 60 books this year, because the new library opened. By what percent did the number of books increase?
Bo's town had 50 people at a parade last year and 60 people this year. By what percent did the crowd increase?
Kira's class had 20 pizza slices, and 5 are left after lunch. By what percent did the number of slices decrease?
Noah estimates that a ball of yarn is 40 meters long, but it is really 50 meters long. What is the percent error of the estimate?
x is the number of students in Bo's club. Then 30% of them leave early. Which expression gives the students who stay?
- 1.3x
- x − 0.3
- 0.3x
- 0.7x