7th Grade Math (Math 7) · Chapter 12 · Lesson 12.2 · Printable PDF

Tree Diagrams and Organized Lists Worksheet with Answer Key

7 problems on tree diagrams and organized lists: multiplying probabilities on branches, filling a paint and wheel check tree, a disc toss game, two chess games, jumping three fences, a lantern and flashlight, and a table tennis match. 3 pages, with a worked answer key.

7 problems3 pagesanswer key
Printable Tree diagrams and organized lists worksheet with answer key - 7th Grade Math (Math 7) (Page 1 PDF preview)
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What's on the worksheet

  1. Find the probability of each path from the probabilities on its branches.
    0.4 and 0.50.9 and 0.3\dfrac{1}{2} and \dfrac{2}{3}0.8, 0.5 and 0.25\dfrac{3}{4}, \dfrac{1}{3} and \dfrac{2}{5}
  2. Fill in the missing branch probabilities on a paint and wheel check tree.
  3. Word problem: Yuna's two disc throws at baskets A and B.
  4. Word problem: outcomes of Daniel's two chess games against a computer.
  5. Word problem: a horse and rider jumping three fences.
  6. Word problem: whether a lantern or a flashlight works on a camping trip.
  7. Word problem: a table tennis match won by the first to win two games.

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Tree diagrams and organized lists: the lesson ›