In these addition and subtraction games, you'll need to think strategically to get closest to the target.
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
Think of a number and follow the machine's instructions... I know what your number is! Can you explain how I know?
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 these multiplication and division games, you'll need to think strategically to get closest to the target.
A game in which players take it in turns to choose a number. Can you block your opponent?
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?
Can you find six numbers to go in the daisy from which you can make all the numbers from 1 to a number bigger than 25?
