60Upper Primary Pupil big button pagehttp://nrich.maths.org/primary-upperen 2012 http://nrich.maths.org/public/terms.phpDisplay BoardsDesign an arrangement of display boards in the school hall which fits the requirements of different people.http://nrich.maths.org/10919Thu, 01 Jan 2015 00:00:01 +0000Six Numbered CubesThis task combines spatial awareness with addition and multiplication.http://nrich.maths.org/10918Thu, 01 Jan 2015 00:00:01 +0000Six Ten TotalThis challenge combines addition, multiplication, perseverance and even proof.http://nrich.maths.org/10917Thu, 01 Jan 2015 00:00:01 +0000Approaching Midnight Jump Straight InIf you'd like to explore the game freely, without any nudges from us, choose this version.http://nrich.maths.org/10781Sat, 01 Feb 2014 00:00:01 +0000Approaching Midnight Taking it FurtherHere we offer some suggestions about how you could take the Approaching Midnight game further.http://nrich.maths.org/10780Sat, 01 Feb 2014 00:00:01 +0000Approaching Midnight the UltimateWant a serious challenge? Have a look at these ideas for changing the Approaching Midnight game.http://nrich.maths.org/10746Sat, 01 Feb 2014 00:00:01 +0000Approaching Midnight What Next?Want some suggestions about where to go next with the game?http://nrich.maths.org/10743Sat, 01 Feb 2014 00:00:01 +0000Approaching Midnight Get StartedLike a bit of help getting into the game? Then have a look at this.http://nrich.maths.org/10725Sat, 01 Feb 2014 00:00:01 +0000First Connect Three for TwoFirst Connect Three game for an adult and child. Use the dice numbers and either addition or subtraction to get three numbers in a straight line.http://nrich.maths.org/10096Fri, 01 Aug 2014 00:00:01 +0100Dicey Operations for TwoDicey Operations for an adult and child. Can you get close to 1000 than your partner?http://nrich.maths.org/10093Fri, 01 Aug 2014 00:00:01 +0100Board Block for TwoBoard Block game for two. Can you stop your partner from being able to make a shape on the board?http://nrich.maths.org/10082Fri, 01 Aug 2014 00:00:01 +0100Ribbon SquaresWhat is the largest 'ribbon square' you can make? And the smallest? How many different squares can you make altogether?http://nrich.maths.org/9939Sun, 01 Dec 2013 00:00:01 +0000Cover the TrayThese practical challenges are all about making a 'tray' and covering it with paper.http://nrich.maths.org/9905Sun, 01 Dec 2013 00:00:01 +0000The Dice TrainThis dice train has been made using specific rules. How many different trains can you make?http://nrich.maths.org/9747Sun, 01 Dec 2013 00:00:01 +0000That Number Square!Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?http://nrich.maths.org/8169Tue, 01 May 2012 00:00:01 +0100Fifteen CardsCan you use the information to find out which cards I have used?http://nrich.maths.org/7506Fri, 01 Jul 2011 00:00:01 +0100Ip Dip"Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself so that you are 'it' if there are two players? Three players ...?http://nrich.maths.org/7185Tue, 01 Feb 2011 00:00:01 +0000Coded Hundred SquareThis 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?http://nrich.maths.org/6554Tue, 01 Feb 2011 00:00:01 +0000Four-digit TargetsYou have two sets of the digits 0 – 9. Can you arrange these in the five boxes to make four-digit numbers as close to the target numbers as possible?http://nrich.maths.org/6342Tue, 01 Feb 2011 00:00:01 +0000Shape Times ShapeThese eleven shapes each stand for a different number. Can you use the multiplication sums to work out what they are?http://nrich.maths.org/5714Tue, 01 Feb 2011 00:00:01 +0000Balance of HalvesInvestigate this balance which is marked in halves. If you had a weight on the left-hand 7, where could you hang two weights on the right to make it balance?http://nrich.maths.org/5677Tue, 01 Feb 2011 00:00:01 +0000Factor-multiple ChainsCan you see how these factor-multiple chains work? Find the chain which contains the smallest possible numbers. How about the largest possible numbers?http://nrich.maths.org/5578Tue, 01 Feb 2011 00:00:01 +0000Fraction FascinationThis problem challenges you to work out what fraction of the whole area of these pictures is taken up by various shapes.http://nrich.maths.org/5061Tue, 01 Feb 2011 00:00:01 +0000Plenty of PensAmy's mum had given her £2.50 to spend. She bought four times as many pens as pencils and was given 40p change. How many of each did she buy?http://nrich.maths.org/1117Tue, 01 Feb 2011 00:00:01 +0000Super ShapesThe value of the circle changes in each of the following problems.
Can you discover its value in each problem?http://nrich.maths.org/1056Tue, 01 Feb 2011 00:00:01 +0000Rectangle TangleThe large rectangle is divided into a series of smaller quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the ten numbered shapes?http://nrich.maths.org/1048Tue, 01 Feb 2011 00:00:01 +0000Amy's DominoesAmy has a box containing domino pieces but she does not think it is a complete set. She has 24 dominoes in her box and there are 125 spots on them altogether. Which of her domino pieces are missing?http://nrich.maths.org/1044Tue, 01 Feb 2011 00:00:01 +0000Which Scripts?There are six numbers written in five different scripts. Can you sort out which is which?http://nrich.maths.org/774Tue, 01 Feb 2011 00:00:01 +0000Maze 100Can you go through this maze so that the numbers you pass add to exactly 100?http://nrich.maths.org/91Tue, 01 Feb 2011 00:00:01 +0000Sticky TrianglesCan you continue this pattern of triangles and begin to predict how many sticks are used for each new "layer"?http://nrich.maths.org/88Tue, 01 Feb 2011 00:00:01 +0000