Subcategories

• Day 1

  The $1 Auction

  Four Driveways

  Mental Math Cool-Down
  2
  Topics
  2
  Posts

  

  The number was 59303451, but the screen showed 59505450.

• Day 2

  Mental Math Warm-Up

  Alice, Bob, and Company

  Celsius to Fahrenheit

  Bonus: How to Win at Tic-Tac-Toe

  Bonus: The Make 15 Game
  0
  Topics
  0
  Posts
  No new posts.
• Day 3

  Mental Math Warm-Up: Find the Smallest Product

  Mental Math Warm-Up: Squares Ending in 5

  Rates Around a Track

  Mental Math Cool-Down: Multiplication Tricks
  0
  Topics
  0
  Posts
  No new posts.
• Day 4

  Mental Math Warm-Up: Make 100

  Three Logicians in a Restaurant

  Double Factorial

  Modeling the Spread
  0
  Topics
  0
  Posts
  No new posts.