How likely? Chances from 0 to 1

Answer Key - Grade 7 Math Worksheet

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

1. 1.

   Milo searches a pile of leaves for one perfect leaf. The chance of finding one is 0.02. How likely is it that Milo finds one?

   • About as likely as not
   • Unlikely
   • Likely
   • Impossible
2. 2.

   The chance that Tala finds the library book on the first try is 7/20. What is the chance of NOT finding it first try, as a fraction in simplest form?

   13/20
3. 3.

   The chance that Zee's tower of blocks stays up is 5/16 (the table wobbles). What is the chance that the tower does NOT stay up, as a fraction in simplest form?

   11/16
4. 4.

   In a board game, the winner wears a paper crown. The chance that Ari wins is 0.35. What is the chance that Ari does NOT win, as a decimal?

   0.65
5. 5.

   The chance that the library has Bo's book today is 0.8. What is the chance that it does NOT, as a decimal?

   0.2
6. 6.

   The chance that Esme's toy airplane flies past the line is 0.85. What is the chance that it does NOT, as a decimal?

   0.15
7. 7.

   In game A, Milo has a 0.9 chance of drawing a star card. In game B, the chance is 0.15. Which game gives the better chance?

   • They are equally likely
   • Game B
   • Game A
8. 8.

   In game A, Noah has a 0.25 chance of drawing a heart card. In game B, the chance is 0.6. Which game gives the better chance?

   • They are equally likely
   • Game A
   • Game B
9. 9.

   In game A, Ren has a 3/10 chance of drawing a sun card. In game B, the chance is 25%. Which game gives the better chance?

   • They are equally likely
   • Game B
   • Game A
10. 10.

    In game A, Tala has a 45% chance of drawing a star card. In game B, the chance is 0.6. Which game gives the better chance?

    • Game A
    • They are equally likely
    • Game B