Percent of a number

Answer Key - Grade 7 Math Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.

1. Read this first

   Ratio table

   Percent	Amount
   100	80
   25	20
   150	?

2. 1.

   Ari's young tree is 80 centimeters tall. A year later it is 150% of that height, and it is clearly showing off. How many centimeters tall is the tree now?

   120
3. 2.

   Bo read 40 pages last week. This week Bo read 130% of that, because a cliffhanger showed up. How many pages did Bo read this week?

   52
4. 3.

   Esme's music club had 60 members last year. This year it has 120% of that, and the drum corner is packed. How many members does the club have now?

   72
5. 4.

   Jun sorts 600 apples from the school orchard. 2.5% of the apples are bruised, and one has a dramatic dent. How many apples are bruised?

   15
6. 5.

   Kira plants 200 seeds in the class garden, and 1.5% of them never sprout (a few seeds are shy). How many seeds never sprout?

   3
7. 6.

   Milo's goal is to jog 60 minutes this week. Milo jogs 125% of that goal and calls it a victory lap. How many minutes does Milo jog?

   75
8. 7.

   Noah's lemonade stand planned to make 60 cups. After a very thirsty crowd, it made 175% of the plan. How many cups did it make?

   105
9. 8.

   Zee's bike trip this week was 60 miles, which is 125% of last week's trip. How many miles was last week's trip?

   48
10. 9.

    Ari bakes 40 cookies on Saturday and 50 on Sunday (the cookie jar never stood a chance). Sunday's cookies are what percent of Saturday's cookies?

    125
11. 10.

    Esme read for 30 minutes on Monday and 60 minutes on Tuesday, because a mystery got tense. Tuesday's reading time is what percent of Monday's?

    200