Counting

There are 101 NRICH Mathematical resources connected to Counting
Truth or Lie
problem

Truth or lie

Age
7 to 11
Challenge level
filled star filled star empty star
Take a look at the video of this trick. Can you perform it yourself? Why is this maths and not magic?
Unexpected Ordering
problem

Unexpected ordering

Age
5 to 7
Challenge level
filled star empty star empty star
Watch the video of Fran re-ordering these number cards. What do you notice? Try it for yourself. What happens?
Nim-7 for Two
game

Nim-7 for two

Nim-7 game for an adult and child. Who will be the one to take the last counter?

Dotty Six for Two
game

Dotty six for two

Dotty Six game for an adult and child. Will you be the first to have three sixes in a straight line?

Some Secret Codes
problem

Some secret codes

Age
7 to 11
Challenge level
filled star filled star filled star
Can you follow the rule to decode the messages?
Pairs of legs
problem

Pairs of legs

Age
5 to 7
Challenge level
filled star filled star empty star
How many legs do each of these creatures have? How many pairs is that?
Poker Bingo
game

Poker bingo

A game played with a standard pack of cards.

Spelling Circle
problem

Spelling circle

Age
7 to 11
Challenge level
filled star filled star empty star
Find the words hidden inside each of the circles by counting around a certain number of spaces to find each letter in turn.