Percent of a number

Answer Key - Grade 7 Math Worksheet - Challenge Me

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

1. 1.

   Pia's park has 320 trees. 12.5% of the trees are maples, and 30% of the maples have red leaves. How many maples have red leaves?

   12
2. 2.

   Ren asks 120 students about lunch, and 25% say pizza and 45% say sandwiches. Each student names one lunch. How many students say neither pizza nor sandwiches?

   36
3. 3.

   Tala's school has 260 students. 15% walk to school and 40% ride the bus. How many students do neither?

   117
4. 4.

   Zee's garden has 160 flowers. 30% are red and 12.5% are yellow. How many flowers are neither red nor yellow?

   92
5. 5.

   160 students came to the book fair at Jun's school, which is 125% of the number expected. How many students is 25% of the number expected?

   32
6. 6.

   5 of the pencils in Esme's bin are broken, which is 2.5% of the pencils. How many pencils is 12.5% of the pencils in the bin?

   25

7. Read this first

   Ratio table

   Percent	Amount
   0.5	3
   1.5	9
   3.5	?

8. 7.

   The table shows percents of Luz's school can goal and how many cans that is. How many cans are 3.5% of the goal?

   21
9. 8.

   The table shows percents of the trees in Milo's park and how many trees that is. How many trees are 9.5% of the park's trees?

   38
10. 9.

    A vine at Pia's school had 68 leaves in spring. Now it has 198% as many leaves. Which is the best estimate of the leaves now?

    • 70
    • 140
    • 1400
11. 10.

    Ari's town library has 3980 books, and 2.4% of them are checked out. Which is the best estimate of the books checked out?

    • 1000
    • 100
    • 4000