Worksheet

List the outcomes and find the chance of one event

Grade 7 Math Worksheet - Building Confidence

NameDate

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

  1. Star ✓, heart, star ✓, moon, star ✓, heart, sun, moon. Kira's spinner has 8 equal parts, each with a sticker. The checked rows show the stars. What is the chance of landing on a star, as a fraction in simplest form?

  2. 1 ✓, 2 ✓, 3, 4, 5, 6. Bo rolls a fair number cube (it already rolled under the couch twice). The checked rows are less than 3. What is the chance of rolling less than 3, as a fraction in simplest form?

  3. Number cube with faces 1, 2, 3, 4, 5, 6. Milo rolls a fair number cube to see who goes first. Each face is equally likely. What is the chance of rolling a 5, as a fraction in simplest form?

  4. Red, orange, yellow, green, blue, purple, pink, brown. Noah's box has 8 crayons, each a different color, and Noah picks one without looking. Every crayon gets the same chance. What chance does the green crayon get, as a fraction in simplest form?

  5. Tala's backpack holds 2 pens and 5 pencils, rolling around loose. Tala grabs one without looking. What is the chance it is a pen, as a fraction in simplest form?

  6. Jun has waited all game for a star. The spinner has 8 equal parts: 1 star and 7 hearts. What is the chance of landing on the star, as a decimal?

  7. Milo painted a spinner with 5 equal parts: 2 suns and 3 moons. What is the chance of landing on a sun, as a decimal?

  8. Noah spells APPLE with letter tiles, mixes them and picks one without looking. How many equally likely outcomes go in the outcome list?

  9. Ren spells KIWI with letter tiles (a short word, a big snack). Ren picks one tile without looking. How many equally likely outcomes go in the outcome list?

  10. A jar holds 4 oatmeal, 5 lemon and 4 chocolate-chip cookies. Tala picks one without looking. How many equally likely outcomes go in the outcome list?

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List the outcomes and find the chance of one event

Answer Key - Grade 7 Math Worksheet - Building Confidence

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

  1. Star ✓, heart, star ✓, moon, star ✓, heart, sun, moon. Kira's spinner has 8 equal parts, each with a sticker. The checked rows show the stars. What is the chance of landing on a star, as a fraction in simplest form?

    3/8

  2. 1 ✓, 2 ✓, 3, 4, 5, 6. Bo rolls a fair number cube (it already rolled under the couch twice). The checked rows are less than 3. What is the chance of rolling less than 3, as a fraction in simplest form?

    1/3

  3. Number cube with faces 1, 2, 3, 4, 5, 6. Milo rolls a fair number cube to see who goes first. Each face is equally likely. What is the chance of rolling a 5, as a fraction in simplest form?

    1/6

  4. Red, orange, yellow, green, blue, purple, pink, brown. Noah's box has 8 crayons, each a different color, and Noah picks one without looking. Every crayon gets the same chance. What chance does the green crayon get, as a fraction in simplest form?

    1/8

  5. Tala's backpack holds 2 pens and 5 pencils, rolling around loose. Tala grabs one without looking. What is the chance it is a pen, as a fraction in simplest form?

    2/7

  6. Jun has waited all game for a star. The spinner has 8 equal parts: 1 star and 7 hearts. What is the chance of landing on the star, as a decimal?

    0.125

  7. Milo painted a spinner with 5 equal parts: 2 suns and 3 moons. What is the chance of landing on a sun, as a decimal?

    0.4

  8. Noah spells APPLE with letter tiles, mixes them and picks one without looking. How many equally likely outcomes go in the outcome list?

    5

  9. Ren spells KIWI with letter tiles (a short word, a big snack). Ren picks one tile without looking. How many equally likely outcomes go in the outcome list?

    4

  10. A jar holds 4 oatmeal, 5 lemon and 4 chocolate-chip cookies. Tala picks one without looking. How many equally likely outcomes go in the outcome list?

    13