This collection of resources encourages you to be playful with numbers.
There are games that require you to think strategically, problems that challenge you to make conjectures and work systematically, and articles that offer insights into the structure of number.
Got It
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
Summing Consecutive Numbers
15 = 7 + 8 and 10 = 1 + 2 + 3 + 4. Can you say which numbers can be expressed as the sum of two or more consecutive integers?
Missing Multipliers
Factors and Multiples Game
A game in which players take it in turns to choose a number. Can you block your opponent?
Product Sudoku
The clues for this Sudoku are the product of the numbers in adjacent squares.
American Billions
Generating Triples