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Use your knowledge of place value to try to win this game. How will you maximise your score?
Play this game and see if you can figure out the computer's chosen number.
Here is a chance to play a version of the classic Countdown Game.
Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?
What is the smallest number of answers you need to reveal in order to work out the missing headers?
The Number Jumbler can always work out your chosen symbol. Can you work out how?
In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?
Can you explain the strategy for winning this game with any target?
How many moves does it take to swap over some red and blue frogs? Do you have a method?
Gabriel multiplied together some numbers and then erased them. Can you figure out where each number was?
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
Caroline and James pick sets of five numbers. Charlie tries to find three that add together to make a multiple of three. Can they stop him?
Choose four consecutive whole numbers. Multiply the first and last numbers together. Multiply the middle pair together. What do you notice?
If everyone in your class picked a number from 1 to 225, do you think any two people would pick the same number?
Posters for the classroom.
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