Currently viewing the tag: "Addition"
You can be a creative mathematician, you can be someone who has your own mathematical ideas. Find your own interesting facts about the number 2025 and calculations that have the answer 2025.
For example, you might ask: ‘do you find anything interesting if you reverse the digits of 2025 and add the […]
? + ? = 2025. How many ways can you replace the ? marks with whole numbers, or put whole numbers in the boxes, to make the sum correct?
Here is one way to do it. How many other ways can you find? Explain your answer.
Now […]
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 […]
For versions of the game for different age groups see the Inclusion Guide.
This is a game for two players, a group of 3 or 4 players, or for the whole class. You will need to download and cut out or otherwise make 2 sets of these 24 cards.
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The MAGIC SQUARE 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 […]
Place in a bag or envelope two balls (or cards) with odd numbers on them, and 3 with even numbers, and play the 2 Odds in 5 game, for example with balls numbered 2, 3, 4, 5 and 6. Pick out two balls or cards at random without replacing the first one. […]
The aim of the game is to make a number as close to half a million as possible. Which of the numbers in the table is closest to half a million?
This game uses ten cards numbered 0, 1, … 9. The cards are put face down and mixed up.
Each player […]
Do you prefer the game if you change the rules so you only have to reach +13 or -13 to win, and it’s OK to overshoot? Why?
In the TUG MUCH HARDER GAME you can add, subtract, multiply or divide the 2 scores (in either order). […]
You are a detective and you have to discover what digits the question marks stand for. They can be any digit from 0 to 9 and they can be the same digit or different digits.
How will you find the missing digits?
What do you notice?
How many solutions are there to the calculations?
What clues […]
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