Math and Logic Resources

Central Intelligence Agency (CIA)  The US CIA offers challenges in puzzles and games.

Code.org Encourages people, particularly school students in the United States to learn computer science.

Coupon Follow Financial Literacy Guide: A crash course for Students

Logic Learn the Tic Tac Toe strategy, solve a puzzle cube, find a solution to Mastermind, and more.

Get Riddles Collections of riddles of different types and levels of difficulty.

Greg Tang Math Math challenge games

Hooda Math Math games from Kindergarten to High School

Mastermind Work out the secret color sequence using just 10 moves

Nerdle  Guess the NERDLE in 6 tries. After each guess, the color of the tiles will change to show how close your guess was to the solution.

Set  Find a 'Set' in the 9 cards. 

Sheppard Math games for preschool to adult

 Worldometers Provides counters and real-time statistics for diverse topics.