There are **22** NRICH Mathematical resources connected to **Dominoes**, you may find related items under Physical and Digital Manipulatives.

Try grouping the dominoes in the ways described. Are there any left over each time? Can you explain why?

Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?

Can you work out the domino pieces which would go in the middle in each case to complete the pattern of these eight sets of 3 dominoes?

Use these four dominoes to make a square that has the same number of dots on each side.

Use the 'double-3 down' dominoes to make a square so that each side has eight dots.

If you take two dominoes from a set at random, what is the probability that they 'match'?

Guess the Dominoes for child and adult. Work out which domino your partner has chosen by asking good questions.

This task depends on learners sharing reasoning, listening to opinions, reflecting and pulling ideas together.

These interactive dominoes can be dragged around the screen.

Take it in turns to place a domino on the grid. One to be placed horizontally and the other vertically. Can you make it impossible for your opponent to play?

This article takes a closer look at some of the toys and games that can enhance a child's mathematical learning.

An ordinary set of dominoes can be laid out as a 7 by 4 magic rectangle in which all the spots in all the columns add to 24, while those in the rows add to 42. Try it! Now try the magic square...

Everthing you have always wanted to do with dominoes! Some of these games are good for practising your mental calculation skills, and some are good for your reasoning skills.

Is it possible to use all 28 dominoes arranging them in squares of four? What patterns can you see in the solution(s)?

Using the 8 dominoes make a square where each of the columns and rows adds up to 8

Can you arrange fifteen dominoes so that all the touching domino pieces add to 6 and the ends join up? Can you make all the joins add to 7?

Can you make a rectangle with just 2 dominoes? What about 3, 4, 5, 6, 7...?