Both players start with zero points and take turns to throw the dice as many times as they like adding the total at each throw to their score.
Suppose you throw a double one. On the next throw, is your chance of throwing a double one the same, more likely or less […]
NUMBER TRICK This is for secondary students and top primary. On any calendar of any month of any year put a box around four dates, two in one week and two in the following week (all four dates must be within the same month). Add the numbers up and tell me the total. I can […]
This is a game for two players (or a class split into two teams).
Take it in turns to choose one of the numbers 1 to 9. It is now your number and your opponent cannot choose it. Each number can be chosen only once.
To win, be the first to pick 3 numbers that […]
You can be a creative mathematician, you can be someone who has your own mathematical ideas. Find your own interesting facts about 2024 and calculations that have the answer 2024.
What different questions can you find with 2024 as the answer? For example you might ask: ‘What is (20 + 24) + […]
Start with the easiest version on a 25 square board each player having 12 men (coloured counters). Then graduate to boards with 49 or 81 squares and 24 or 40 men each. Either 25 or 49 squares can be used on the board shown. Aim to set traps to capture your opponent’s pieces and to […]
Choose one of the 7 Pelmathism Games, they are all played to the same rules. The cards illustrate numbers and show them written as fractions, decimals and percentages. Each number occurs twice in the pack of 36 cards in 2 of the possible representations.
Shuffle the cards and place them face down […]
The Checkit Game is suitable for all ages because you can choose the type of numbers and the operation that you will use.
You can play this game with different sets of numbers like whole numbers or integers, fractions or decimals and with (1) addition and subtraction or with (2) multiplication and […]
Checkit can be played by 2 players or 2 teams. Each player starts with a blank Checkit frame and invents a challenge for the opponent to complete. The entries in the boxes can be any type of numbers, algebraic expressions or even words.
The entries in the […]
Find a cuboid (with edges of integer values) that has a surface area of exactly 100 square units.
Is there more than one?
It is quite easy to find a few solutions. The big challenge is to find all possible solutions.
Can you provide a convincing argument that you have found […]
The game is played with a set of cards numbered 1 to 9 and a 3-by-3 gameboard. Take turns either to put one of the 9 cards into an empty square, or to move to an adjacent empty square one of the cards that has already been placed. The winner is the […]
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