In these addition and subtraction games, you'll need to think strategically to get closest to the target.
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.
What is the smallest number of answers you need to reveal in order to work out the missing headers?
Can you use the clues to complete these 4 by 4 Mathematical Sudokus?
In these multiplication and division games, you'll need to think strategically to get closest to the target.
Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?
A Sudoku with clues given as sums of entries.
Can you use the clues to complete these 5 by 5 Mathematical Sudokus?
Investigate how you can work out what day of the week your birthday will be on next year, and the year after...
Can you arrange these numbers into 7 subsets, each of three numbers, so that when the numbers in each are added together, they make seven consecutive numbers?
