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Log In to play with your friends - Chat with your game buddies - Win stars and badges -- collect them all! - Climb to the top of the leaderboards Play as a GuestSign In Hello Gamer! You must sign in to play this game. Sign In Hello Gamer! There's a bunch of players chatting here, and you're missing the party. The best way to handle abusive players is to 'Ignore' them. To report cheating or other technical problems, please report the issue. Maths Online. Monthly Index page. Current The problems below are all taken from our recent dotty grids resources for Lower Secondary students.

Monthly Index page

We've chosen to feature them on the Upper Secondary page because they all have scope for some interesting mathematical investigation at a higher level. We invite you to explore the problems and then send in your thoughts via Advanced Mathematics on Dotty Grids. An Appearing Act Stage: 3 and 4 Cut out and reassemble the pieces. Areas from Vectors. Chances-NCES Kids' Zone. "The probable is what usually happens.

Chances-NCES Kids' Zone

" — Aristotle. What many people refer to as 'good luck' can actually be explained by a little knowledge about probability and statistics. Our dice game allows you to see how increasing or decreasing the number of dice rolls affects an outcome. So give it a try, choose the number of rolls you would like to make... ...and roll the dice! "It is a truth very certain that when it is not in our power to determine what is true we ought to follow what is most probable.

" — Descartes. Monthly Index page. There is a difference between not knowing and not knowing yet.

Monthly Index page

Sheila Tobias NRICH problems are here for you to get your teeth into. Immerse yourself in the mathematics... This is what a typical student home page looks like. Mouse over the boxed areas for further explanation. We suggest that you find the student home that suits you best and go there regularly for updates. This is the button that gets you to this student guide. This button gets you to the home page for lower secondary students (shown here).

The STEM link gets you to our extensive collection of Science, Technology, Engineering and Mathematics resources. The AskNRICH link gets you to a lively mathematics forum where you can ask for help from our trained mentors. Latest The last few features appear in the latest carousel. Collections A tree of resources from the NRICH archives giving you access to the best of our permanent collection. Trending Filled with exciting goodies and updated every few days. Past Features Current Feature. Explore the properties of a straight line graph. Math Tools. A community library of technology tools, lessons, activities, and support materials for teaching and learning mathematics.

Math Tools

New to Math Tools? Welcome! There's a lot of stuff in here. Join our community! View our Orientation to get some ideas of how to make the most of this resource. Announcements National Council of Supervisors of Mathematics in New Orleans! The Math Forum & NCSM present this Ignite session. Opportunities Make It Real Learning (MIRL) The Math Forum @ Drexel and MIRL have teamed up to provide you a discount on The Make It Real Learning Activity Libraries, Volume I and Volume 2. What's Hot? [March 11] Educational Math Games: snezana90 says, "Since lots of kids nowadays spend much time playing games, my team and I have decided to mix up pleasure, fun and knowledge and design some math games.

" Max, Annie, and Steve waiting for their turn to Ignite! Tool: Free Ride by NCTM: Illuminations Our booth at a previous NCTM conference. Welcome to Illuminations. National Library of Virtual Manipulatives. Maths Search. 61 problems, 2 games, 30 articles, 6 general resources, 2 projects, 12 Lists, 12 from Stage 1, 27 from Stage 2, 30 from Stage 3, 39 from Stage 4, 45 from Stage 5 Useful Graphing Tools Challenge Level: A collection of useful graphing resources to support work on NRICH problems.

Maths Search

Cubics Stage: 4 and 5 Challenge Level: Knowing two of the equations find the equations of the 12 graphs of cubic functions making this pattern. Secret Number Stage: 1 Challenge Level: Annie and Ben are playing a game with a calculator. Tangled Trig Graphs Stage: 5 Challenge Level: Can you work out the equations of the trig graphs I used to make my pattern? Calculator Bingo Stage: 2 Challenge Level: A game to be played against the computer, or in groups. Loch Ness Draw graphs of the sine and modulus functions and explain the humps. Sine and Cosine Stage: 4 Challenge Level: The sine of an angle is equal to the cosine of its complement. Parabolic Patterns The illustration shows the graphs of fifteen functions. Plus Minus Giants.