Read and draw circle graphs

Answer Key - Grade 7 Math Worksheet - Challenge Me

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

1. Read this first

   Circle graph

   The whole circle is 360°.

2. 1.

   On Milo's circle graph of favorite school lunches (the pizza fans cheered), the pizza sector measures 72° and stands for 18 students. How many students were asked in all?

   90
3. 2.

   On Noah's circle graph of favorite sports (the sneakers raced ahead), the soccer sector measures 40° and stands for 30 students. How many students were asked in all?

   270

4. Circle graph

   The whole circle is 100%.

5. 3.

   Ren asks 40 students about favorite pets (a very loud dog voted twice, almost). 14 students chose dogs. What percent of the circle graph is the dogs sector?

   35
6. 4.

   Tala asks 80 students about ways to get to school (the bus was early for once). 36 students chose bus. What percent of the circle graph is the bus sector?

   45
7. 5.

   Zee asks 40 students about favorite colors (every crayon wanted a vote). 26 students chose blue. What percent of the circle graph is the blue sector?

   65
8. 6.

   On Bo's circle graph of favorite subjects, the reading sector measures 252° and the math sector measures 84°. How many times as large as the math sector is the reading sector?

   3
9. 7.

   Jun reads a circle graph of favorite seasons (the sun looked pleased). One sector has no label. How many degrees does that sector measure?

   75
10. 8.

    Kira reads a circle graph of favorite school lunches (the pizza fans cheered). One sector has no label. How many degrees does that sector measure?

    100
11. 9.

    Luz reads a circle graph of favorite sports (the sneakers raced ahead). One sector has no label. How many degrees does that sector measure?

    80
12. 10.

    Pia measured the heights of 12 bean plants (one plant leans) and wants one mark for every plant's height. Which graph does that?

    • a circle graph
    • a dot plot
    • a bar graph