60Lower Primary Pupil big button pagehttp://nrich.maths.org/primary-loweren 2012 http://nrich.maths.org/public/terms.phpReasoningIn our view, you can't do maths without reasoning! Why not have a go at these activities which will give you chances to reason in different ways?http://nrich.maths.org/11022Wed, 01 Dec 1999 00:00:01 +0000Five Steps to 50Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?http://nrich.maths.org/10586Fri, 01 Nov 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 +0100Largest EvenHow would you create the largest possible two-digit even number
from the digit I've given you and one of your choice?http://nrich.maths.org/7431Tue, 01 Feb 2011 00:00:01 +0000Pairs of NumbersIf you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10? Which ones do you have to leave out? Why?http://nrich.maths.org/7233Tue, 01 Feb 2011 00:00:01 +0000Ip 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 +0000Even and OddThis activity is best done with a whole class or in a large group. Can you match the cards? What happens when you add pairs of the numbers together?http://nrich.maths.org/6895Tue, 01 Feb 2011 00:00:01 +0000Strike it OutUse your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.http://nrich.maths.org/6589Tue, 01 Feb 2011 00:00:01 +0000Two-digit TargetsYou have a set of the digits from 0 – 9. Can you arrange these in the 5 boxes to make two-digit numbers as close to the targets as possible?http://nrich.maths.org/6343Tue, 01 Feb 2011 00:00:01 +0000Building with CubesTry to picture these buildings of cubes in your head. Can you make
them to check whether you had imagined them correctly?http://nrich.maths.org/5817Tue, 01 Feb 2011 00:00:01 +0000Getting the BalanceIf you hang two weights on one side of this balance, in how many different ways can you hang three weights on the other side for it to be balanced?http://nrich.maths.org/5676Tue, 01 Feb 2011 00:00:01 +0000Numbers as Shapes
Use cubes to continue making the numbers from 7 to 20. Are they sticks, rectangles or squares?
http://nrich.maths.org/5158Tue, 01 Feb 2011 00:00:01 +0000Chairs and TablesMake a chair and table out of interlocking cubes, making sure that the chair fits under the table!http://nrich.maths.org/2908Tue, 01 Feb 2011 00:00:01 +0000Hundred SquareA hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?http://nrich.maths.org/2397Tue, 01 Feb 2011 00:00:01 +0000Eggs in BasketsThere are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. Can you use the information given to find out how many eggs are in each basket?http://nrich.maths.org/2002Tue, 01 Feb 2011 00:00:01 +0000TotalityThis is an adding game for two players.http://nrich.maths.org/1216Tue, 01 Feb 2011 00:00:01 +0000Heads and FeetOn a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?http://nrich.maths.org/924Tue, 01 Feb 2011 00:00:01 +0000Making SticksKimie and Sebastian were making sticks from interlocking cubes and lining them up. Can they make their lines the same length? Can they make any other lines?http://nrich.maths.org/231Tue, 01 Feb 2011 00:00:01 +00006 BeadsIf you put three beads onto a tens/ones abacus you could make the
numbers 3, 30, 12 or 21. What numbers can be made with six beads?http://nrich.maths.org/152Tue, 01 Feb 2011 00:00:01 +00003 Blocks TowersTake three differently coloured blocks - maybe red, yellow and blue. Make a tower using one of each colour. How many different towers can you make?http://nrich.maths.org/137Tue, 01 Feb 2011 00:00:01 +0000