Sumdog
For a great way to practice adding and subtracting with negative numbers, play these games at level 10.
If you sign up (free) you can save your scores and see how you improve over time.
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 MathsChallenge.net
Make 24, try this WisWeb applet. Can you make 24 from the numbers and operations given?
This page has further information on the problem and a link to an 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.
Where you can play other students around the world – practice your mental arithmetic at various levels.
(Spelling practice is also available.)
Make 1000
From ilovemathsgames.com, content designed by E Hughes
Connect Three (NRICH)
Note there is an option giving a full screen version.
Tic Tac Go – a WisWeb applet.
Can you make three or five in a row in this game for one or two players?
Choose addition, subtraction or multiplication.
Or try this version with negative numbers.
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.
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.
Pingback: World Maths Day 2012 « Mathematics, Learning and Web 2.0
Pingback: World Maths Day 2011 & 2012 « Mathematics, Learning and Web 2.0