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.

   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
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.

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

   40
8. 7.

   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
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.

    Bo's bean sprout was 20 millimeters tall on Monday and 50 millimeters tall on Friday. Friday's height is what percent of Monday's height?

    250
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