Algebra 2 · Chapter 11 · Lesson 11.7 · Printable PDF

Pascal's Triangle Worksheet with Answer Key

7 problems on Pascal's triangle: entries as combinations, using neighboring entries without multiplying, pancake topping selections, a sum of combinations, shortest routes on a street grid, the hockey stick idea, and counting groups with two named people. 2 pages, with a worked answer key.

7 problems2 pagesanswer key
Printable Pascal's triangle worksheet with answer key - Algebra 2 (Page 1 PDF preview)
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What's on the worksheet

  1. Write each entry of Pascal's triangle as a combination symbol and find its value.
    place 2 of row 7the third entry of row 9the next-to-last entry of row 15the middle entry of row 6the last entry of row 20
  2. Use three neighboring entries of row 11 to find another entry without multiplying.
  3. Word problem: selections of toppings at a pancake stand.
  4. Find the whole number n that makes a sum of combinations equal to 220.
  5. Count shortest routes on a street grid from corner A to corner B.
  6. Add a run of combinations by repeated use of Pascal's rule.
  7. Count groups of people that include or leave out two named people.

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