60All NRICH live resourceshttp://nrich.maths.org/en 2012 https://nrich.maths.org/public/terms.phpMediant MadnessKyle and his teacher disagree about his test score - who is right?https://nrich.maths.org/831Tue, 01 Feb 2011 00:00:01 +0000Roman NumeralsCan you find some examples when the number of Roman numerals is fewer than the number of Arabic numerals for the same number?https://nrich.maths.org/13271Wed, 01 Dec 1999 00:00:01 +0000Approaching Midnight Taking it FurtherHere we offer some suggestions about how you could take the Approaching Midnight game further.https://nrich.maths.org/10780Sat, 01 Feb 2014 00:00:01 +0000Open SquaresThis task, written for the National Young Mathematicians' Award 2016, focuses on 'open squares'. What would the next five open squares look like?https://nrich.maths.org/12263Wed, 01 Dec 1999 00:00:01 +0000WatermelonsThese watermelons have been entered into a competition. Use the information to work out the number of points each one was awarded.https://nrich.maths.org/10349Sun, 01 Sep 2013 00:00:01 +0100Reasoned RoundingFour strategy dice games to consolidate pupils' understanding of rounding.https://nrich.maths.org/10945Thu, 01 May 2014 00:00:01 +0100Inspecting IdentitiesUsing trig identities to help sketch graphs of functionshttps://nrich.maths.org/12146Thu, 01 Jan 2015 00:00:01 +0000Calendar MuddleThis activity focuses on ordering familiar events<a href="/content/id/13731/Calendar%20Muddle.pdf" class="pdflink">DOWNLOAD HERE</a>.https://nrich.maths.org/13731Wed, 01 Dec 1999 00:00:01 +0000BB and Curiosityhttps://nrich.maths.org/13426Wed, 01 Dec 1999 00:00:01 +0000Compare the CupsYou'll need a collection of cups for this activity.https://nrich.maths.org/10656Sun, 01 Dec 2013 00:00:01 +0000Incey Wincey SpiderYou'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?https://nrich.maths.org/8389Tue, 01 Feb 2011 00:00:01 +0000Space DistancesThis task focuses on distances travelled by the asteroid Florence. It's an opportunity to work with very large numbers.https://nrich.maths.org/13270Wed, 01 Dec 1999 00:00:01 +0000Name That GraphHow can you work out the equation of a parabola just by looking at key features of its graph?https://nrich.maths.org/11922Wed, 01 Dec 1999 00:00:01 +0000Ordering JourneysHow would you put these journey lengths in order? Give a bit of a place value challenge with subtractions set out not as a calculation.https://nrich.maths.org/13268Wed, 01 Dec 1999 00:00:01 +0000Painting PossibilitiesThis task, written for the National Young Mathematicians' Award 2016, involves open-topped boxes made with interlocking cubes. Explore the number of units of paint that are needed to cover the boxes and the small cubes that would fit inside each one.https://nrich.maths.org/12262Wed, 01 Dec 1999 00:00:01 +0000