Subcategories

• Day 1

  The $1 Auction Four Driveways Mental Math Cool-Down
  2
  Topics
  2
  Posts

  R

  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
  1
  Topics
  1
  Posts

  E

  Won't this work?

  1+2+3*4+5-6-7/8+9 = 22(1/8)