Chance from experiments, and predicting from it

Answer Key - Grade 7 Math Worksheet - Challenge Me

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

1. 1.

   In the bucket 10 | on the rim 9 | missed 6. Kira tossed a bean bag at a bucket 25 times. Based on the tally, about how many of the next 100 tosses should hit the rim or miss?

   60
2. 2.

   Upright 16 | on its side 37 | on its cap 7. Luz flipped a water bottle 60 times. Based on the tally, about how many of the next 240 flips should land upright or on its cap?

   92
3. 3.

   Milo's water bottle landed upright 9 times, which was 15% of all its flips. How many flips did Milo make?

   60
4. 4.

   Noah got 14 bean bags in the bucket, which was 35% of all the tosses Noah made. How many tosses did Noah make?

   40
5. 5.

   Pia's garden has 54 sprouted seeds, which is 45% of all the seeds planted. How many seeds did Pia plant?

   120
6. 6.

   Ren's button landed on its edge 9 times, which was 6% of all its tosses. How many tosses did Ren make?

   150
7. 7.

   Zee tossed a button 12 times and it landed face up 3 times. A friend tossed it 36 times for 20 face ups. Together, what fraction of the tosses landed face up, in simplest form?

   23/48
8. 8.

   Bo planted 10 seeds and 7 sprouted. A neighbor planted 40 seeds the same way and 22 sprouted. Together, what fraction of the seeds sprouted, in simplest form?

   29/50
9. 9.

   Noah got a bean bag in the bucket 14 of 25 tosses. Pia got it in 44 of 80 tosses. Whose tally shows the larger share of tosses in the bucket?

   • Pia's tally
   • Noah's tally
   • The shares are the same
10. 10.

    Jun dropped a button onto four colored squares 80 times: red 36, blue 28, green 12, gold 4. Which model of chances fits the tally?

    • red 36, blue 28, green 12, gold 4
    • red 45%, blue 35%, green 15%, gold 15%
    • red 25%, blue 25%, green 25%, gold 25%
    • red 45%, blue 35%, green 15%, gold 5%