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	40
   10	4
   130	?

2. 1.

   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
3. 2.

   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
4. 3.

   Luz checks 800 water bottles before a field trip. 0.5% of the bottles leak a little. How many bottles leak?

   4
5. 4.

   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
6. 5.

   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
7. 6.

   Pia's class collected 90 cans last week. This week it collected 110% of that, and the bin is overflowing. How many cans did the class collect this week?

   99
8. 7.

   Ren's plant is 60 centimeters tall now. That is 150% of its height last month. How tall was the plant last month?

   40
9. 8.

   180 stars decorate Tala's class show this year, which is 120% of last year's stars. How many stars decorated the show last year?

   150
10. 9.

    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
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