The Language of Probability

Grade 6 Math · Unit 0 · Standard 6.DS.A.2
Name: ______________________________Date: ____________

Goal: I can use probability words (certain, likely, unlikely, impossible, equally likely) to describe the chance of an outcome.

  1. Rolling a 7 on a standard 1–6 number cube is…
    A. impossible
    B. certain
    C. likely
  2. The sun rising tomorrow is…
    A. certain
    B. unlikely
    C. impossible
  3. A bag has 9 red and 1 blue marble. Drawing red is…
    A. likely
    B. unlikely
    C. impossible
  4. Flipping heads on a fair coin, compared to tails, is…
    A. equally likely
    B. more likely
    C. impossible
  5. Exit ticket. Name one certain event, one impossible event, and one likely event from your day, and explain each choice.
Teacher answer key — remove before copying

Answer key

  1. 1. impossible
  2. 2. certain
  3. 3. likely
  4. 4. equally likely
  5. Exit ticket: answers will vary — look for correct reasoning about 6.DS.A.2 (see the worked example and teaching tip).