Guesstimation

  • Guesstimation is a short weekly quiz game for 4th and 5th graders that emphasizes number sense and units of measurement. A sample question from the first quiz:

    • About how many books are in our library?
      1. 150,000 books
      2. 15,000 books
      3. 1,500 books
      4. 150 books

    About 1,500 books