A Sudoku with clues given as sums of entries.
Here is a chance to play a version of the classic Countdown Game.
You'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?
Who said that adding couldn't be fun?
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
There are nasty versions of this dice game but we'll start with the nice ones...
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.
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.
Try this matching game which will help you recognise different ways of saying the same time interval.
This is an adding game for two players.
A game in which players take it in turns to choose a number. Can you block your opponent?
In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?
Have a go at this game which involves throwing two dice and adding their totals. Where should you place your counters to be more likely to win?
This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?