Home Age 7-9 Age 7-9 25th February 2000, 12:00am Anita Straker Share Age 7-9 https://www.tes.com/magazine/archive/age-7-9 Copy Link Three digits. Imagine you have 25 beads. You have to make three-digitnumbers on an abacus. You must se all 25 beads for each number you make. How many different three-digit numbers can you make? Want to keep reading for free? Register with Tes and you can read two free articles every month plus you'll have access to our range of award-winning newsletters. Register Log in Keep reading for just £1 per month You've reached your limit of free articles this month. Subscribe for £1 per month for three months and get: Unlimited access to all Tes magazine content Exclusive subscriber-only stories Award-winning email newsletters Subscribe now Read more Brainteasers Anita Straker • 28th July 2006 Brainteasers Anita Straker • 30th June 2006 Brainteasers Anita Straker • 16th June 2006 Brainteasers Anita Straker • 2nd June 2006 Recent Most read Most shared GCSEs: Just a third of heads think marking is accurate News 25 April 2024 Poor behaviour hitting teaching and wellbeing, say most teachers News 25 April 2024 The pandemic’s damage is now clear, this is how we fight back Analysis 25 April 2024 Why every school should (not) use setting Teaching & Learning 24 April 2024 Fitness to teach cases in Scotland hit 10-year high News 23 April 2024 Cut summer break ‘to rescue Covid generation GCSEs’ News 24 April 2024 Poor mental health ‘fuelling’ absence crisis, DfE told News 24 April 2024 Why every school should (not) use setting Teaching & Learning 24 April 2024 Cut summer break ‘to rescue Covid generation GCSEs’ News 24 April 2024