60Upper Primary Pupil big button pagehttp://nrich.maths.org/primary-upperen 2012 http://nrich.maths.org/public/terms.phpWhat Do You See Here?An activity for teachers to initiate that adds to learners' developing understanding of fractions.http://nrich.maths.org/13060Wed, 01 Dec 1999 00:00:01 +0000Paper HalvingIn how many ways can you halve a piece of A4 paper? How do you know they are halves?http://nrich.maths.org/13059Wed, 01 Dec 1999 00:00:01 +0000Linked ChainsCan you find ways to make twenty-link chains from these smaller chains?http://nrich.maths.org/12936Wed, 01 Dec 1999 00:00:01 +0000Fraction LengthsCan you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?http://nrich.maths.org/12935Wed, 01 Dec 1999 00:00:01 +0000Always, Sometimes or Never? ShapeAre these statements always true, sometimes true or never true?http://nrich.maths.org/12673Wed, 01 Dec 1999 00:00:01 +0000Approaching MidnightCan you beat the clock to the midnight hour?<a href="http://wild.maths.org/approaching-midnight"></a>http://nrich.maths.org/12440Wed, 01 Dec 1999 00:00:01 +0000Escape the VortexCan you always reach the exit first and escape the vortex?<a href="http://wild.maths.org/escape-vortex"></a>http://nrich.maths.org/12429Wed, 01 Dec 1999 00:00:01 +0000DropletsTry this slightly more challenging version of Driplets and see if you can find a winning strategy.<a href="http://wild.maths.org/droplets"></a>http://nrich.maths.org/12428Wed, 01 Dec 1999 00:00:01 +0000DripletsThis game follows on from Last Bead. Can you find a way to take the last drip or drips?<a href="http://wild.maths.org/driplets"></a>http://nrich.maths.org/12427Wed, 01 Dec 1999 00:00:01 +0000Last BeadTake turns to remove a bead from the string. Can you find a way to play so that you will always win?<a href="http://wild.maths.org/last-bead"></a>http://nrich.maths.org/12426Wed, 01 Dec 1999 00:00:01 +0000Exploring Number Patterns You MakeExplore Alex's number plumber. What questions would you like to ask? What do you think is happening to the numbers?http://nrich.maths.org/8387Tue, 01 Feb 2011 00:00:01 +0000Olympic TurnsThis task looks at the different turns involved in different Olympic sports as a way of exploring the mathematics of turns and angles.http://nrich.maths.org/8191Fri, 01 Jun 2012 00:00:01 +0100Now and ThenLook at the changes in results on some of the athletics track events at the Olympic Games in 1908 and 1948. Compare the results for 2012.http://nrich.maths.org/8171Fri, 01 Jun 2012 00:00:01 +0100Olympic StartersLook at some of the results from the Olympic Games in the past. How do you compare if you try some similar activities?http://nrich.maths.org/8170Fri, 01 Jun 2012 00:00:01 +0100Going for GoldLooking at the 2012 Olympic Medal table, can you see how the data is organised? Could the results be presented differently to give another nation the top place?http://nrich.maths.org/7800Sun, 01 Jan 2012 00:00:01 +0000If the World Were a VillageThis activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?http://nrich.maths.org/7725Mon, 01 Aug 2011 00:00:01 +0100Half TimeWhat could the half time scores have been in these Olympic hockey matches?http://nrich.maths.org/7408Wed, 01 Jun 2011 00:00:01 +0100The Remainders GameA game that tests your understanding of remainders.http://nrich.maths.org/6402Tue, 01 Feb 2011 00:00:01 +0000Method in Multiplying Madness?Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?http://nrich.maths.org/5612Sat, 01 Oct 2011 00:00:01 +0100Factors and Multiples GameA game in which players take it in turns to choose a number. Can you block your opponent?http://nrich.maths.org/5468Tue, 01 Feb 2011 00:00:01 +0000Match the MatchesDecide which charts and graphs represent the number of goals two football teams scored in fifteen matches.http://nrich.maths.org/4937Tue, 01 Feb 2011 00:00:01 +0000Stringy QuadsThis practical problem challenges you to make quadrilaterals with a loop of string. You'll need some friends to help!http://nrich.maths.org/2913Tue, 01 Feb 2011 00:00:01 +0000Up and Down StaircasesOne block is needed to make an up-and-down staircase, with one step up and one step down. How many blocks would be needed to build an up-and-down staircase with 5 steps up and 5 steps down?http://nrich.maths.org/2283Tue, 01 Feb 2011 00:00:01 +0000TreblingCan you replace the letters with numbers? Is there only one solution in each case?http://nrich.maths.org/2004Tue, 01 Feb 2011 00:00:01 +0000FittedNine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. What are the dimensions of the rectangle?http://nrich.maths.org/1854Tue, 01 Feb 2011 00:00:01 +0000Forgot the NumbersOn my calculator I divided one whole number by another whole number and got the answer 3.125. If the numbers are both under 50, what are they?http://nrich.maths.org/1015Tue, 01 Feb 2011 00:00:01 +0000Ice CreamYou cannot choose a selection of ice cream flavours that includes totally what someone has already chosen. Have a go and find all the different ways in which seven children can have ice cream.http://nrich.maths.org/77Tue, 01 Feb 2011 00:00:01 +0000