Worksheet

List the outcomes and find the chance of one event

Grade 7 Math Worksheet - Challenge Me

NameDate

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

  1. Number cube with faces 1, 2, 3, 4, 5, 6. Milo needs a number less than 5 on a fair number cube to finish the game (so close!). What is the chance of rolling a number less than 5, as a fraction in simplest form?

  2. Pia numbers 12 envelopes from 1 to 12 and picks one at random for the class mail helper. What is the chance its number is greater than 2, as a fraction in simplest form?

  3. Ren spells ARIZONA with letter tiles and picks one without looking. What is the chance of a vowel (A, E, I, O or U), as a fraction in simplest form?

  4. The class shelf has 30 books numbered 1 to 30, and Tala picks one at random to read aloud. What is the chance its number is less than 12, as a fraction in simplest form?

  5. A jar holds 20 buttons, and the chance of picking a red one without looking is 3/10. How many red buttons are in Ari's jar?

  6. Luz's running club has 20 bibs numbered 1 to 20, and one runner is picked at random to lead warm-ups. What is the chance the bib number is greater than 3, as a percent?

  7. Noah puts cards numbered 1 to 50 in a hat and draws one without looking (the hat is very full). What is the chance the number is a multiple of 6, as a percent?

  8. Pia's class numbers 20 chairs from 1 to 20, and one is picked at random for the reading corner. What is the chance its number is greater than 9, as a decimal?

  9. Noah puts cards numbered 1 to 10 in a hat and hopes to draw an even number. Noah draws one without looking. Which is the whole outcome list?

    • 2, 4, 6, 8, 10
    • 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
    • 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
    • 1, 2, 3, 4, 5, 6, 7, 8, 9

  10. Ari's spinner has 8 equal parts: 3 stars and 5 hearts. Ari hopes to land on a star. Which is the whole outcome list?

    • star, star, star
    • star, star, star, heart, heart, heart, heart, heart
    • star, heart
    • star, star, star, heart, heart, heart, heart, leaving a heart out
PencilGopencilgo.com

List the outcomes and find the chance of one event

Answer Key - Grade 7 Math Worksheet - Challenge Me

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

  1. Number cube with faces 1, 2, 3, 4, 5, 6. Milo needs a number less than 5 on a fair number cube to finish the game (so close!). What is the chance of rolling a number less than 5, as a fraction in simplest form?

    2/3

  2. Pia numbers 12 envelopes from 1 to 12 and picks one at random for the class mail helper. What is the chance its number is greater than 2, as a fraction in simplest form?

    5/6

  3. Ren spells ARIZONA with letter tiles and picks one without looking. What is the chance of a vowel (A, E, I, O or U), as a fraction in simplest form?

    4/7

  4. The class shelf has 30 books numbered 1 to 30, and Tala picks one at random to read aloud. What is the chance its number is less than 12, as a fraction in simplest form?

    11/30

  5. A jar holds 20 buttons, and the chance of picking a red one without looking is 3/10. How many red buttons are in Ari's jar?

    6

  6. Luz's running club has 20 bibs numbered 1 to 20, and one runner is picked at random to lead warm-ups. What is the chance the bib number is greater than 3, as a percent?

    85

  7. Noah puts cards numbered 1 to 50 in a hat and draws one without looking (the hat is very full). What is the chance the number is a multiple of 6, as a percent?

    16

  8. Pia's class numbers 20 chairs from 1 to 20, and one is picked at random for the reading corner. What is the chance its number is greater than 9, as a decimal?

    0.55

  9. Noah puts cards numbered 1 to 10 in a hat and hopes to draw an even number. Noah draws one without looking. Which is the whole outcome list?

    • 2, 4, 6, 8, 10
    • 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
    • 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
    • 1, 2, 3, 4, 5, 6, 7, 8, 9

  10. Ari's spinner has 8 equal parts: 3 stars and 5 hearts. Ari hopes to land on a star. Which is the whole outcome list?

    • star, star, star
    • star, star, star, heart, heart, heart, heart, heart
    • star, heart
    • star, star, star, heart, heart, heart, heart, leaving a heart out