Percent of a number

Answer Key - Grade 7 Math Worksheet

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

1. 1.

   Ren's sunflower is 70 centimeters tall, which is 140% of its height two weeks ago. How tall was the sunflower two weeks ago?

   50
2. 2.

   390 runners joined Tala's town race this year, which is 130% of last year's runners. How many runners joined last year?

   300
3. 3.

   3 of the seeds in Ari's garden never sprouted, which is 0.5% of all the seeds planted. How many seeds did Ari plant?

   600
4. 4.

   Last month Jun walked 50 miles. This month Jun walked 65 miles in new sneakers. This month's miles are what percent of last month's miles?

   130
5. 5.

   Milo's school has 600 students, and 3 of them forgot their backpacks today. What percent of the students forgot their backpacks?

   0.5
6. 6.

   Noah collects 200 acorns and finds 7 with tiny holes. What percent of the acorns have holes?

   3.5

7. Read this first

   Ratio table

   Percent	Amount
   40	18
   60	27
   140	?

8. 7.

   Ren's cookie recipe can be made bigger or smaller. The table shows the percent of the recipe and the number of cookies. How many cookies does 140% of the recipe make?

   63
9. 8.

   The table shows the percent of Zee's class walking goal and the miles walked. How many miles are 160% of the goal?

   112
10. 9.

    Ari has 81 stickers and gives 26% of them to friends. Which is the best estimate of how many stickers Ari gives away?

    • 200
    • 20
    • 80
11. 10.

    Bo's school gym has 87 seats, and 51% of them are filled for a game. Which is the best estimate of the filled seats?

    • 90
    • 45
    • 450