NumberCruncher from Science NetLinks offers a choice of two levels, the easiest allows you as many steps as you need to reach a target using given operations or for more of a challenge try to reach the target in less than seven steps. Click on ‘How To Play’ for clear instructions.

Make a number puzzles with solutions from Brain Food. Many such problems are available, see for example As Easy As 1234 from

Make 24, can you make 24 from the numbers and operations given? This page has further information on the problem and note that the online program which optionally shows solutions as well as presenting random problems. The program will also show solutions for any given set of four numbers.

Countdown: The Numbers (and letters) game can be played online on the Woodlands Junior School site.
Excellent programs for both games can be downloaded free from Chris Farmer’s CSF software site.)
For a challenge – try the Nrich resource Countdown Fractions.

Make 1000
From, content designed by E Hughes

Connect Three (NRICH)
Note there is an option giving a full screen version.

Got It (NRICH game)
The first player who hits the given target wins the game.
Experiment with different targets and sets of numbers.
Can you answer the questions on strategy?

Remainders (NRICH)
Explore division and remainders, then try to guess the number chosen by the compter in as few attempts as possible.

Dominoes Magic Rectangle (NRICH) – form a magic rectangle then a square with Dominoes.
You can use the NRICH dominoes environment.For the traditional set of dominoes, choose a set size of 6.

If you have met Binary Arithmetic try this Binary game, see the instructions for how to play.

Fractions and Percentages Card Game (NRICH game)
Match cards with the same value – memory game.


Play the computer – form a product by moving your marker.
The first to get 4 products in a line wins.
Here  the computer has just formed a product of 3
(markers are on 1 and 3)

This game from mathFROG allows you to practice the correct order of operations against the clock.

Sumdog has many games to help you practise a variety of numeracy topics at 10 different levels. If you sign up (free) you can save your scores and see how you improve over time. Instructions for students.

2 comments on “Number

  1. Pingback: World Maths Day 2012 « Mathematics, Learning and Web 2.0

  2. Pingback: World Maths Day 2011 & 2012 « Mathematics, Learning and Web 2.0

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