On-screen practice for Year 3 Just what many of you have requested: highly focussed activities for Year 3 providing unlimited practice on the screen, whether using PC, Mac, ipad or even phone. Each activity concentrates on just one mental arithmetic skill and our latest resources cover: Adding a single digit to a 3-digit number Adding two 3-digit numbers, not crossing the tens or hundreds Adding multiples of 100 Adding a multiple of 10 to a 3-digit number Subtracting multiples of 10 from 3-digit numbers Subtracting multiples of 100 Subtracting a single digit from a 3-digit number, crossing the tens or hundreds Number lines and base ten blocks give you choices of how to help children develop the mental skills necessary, but for those who are really proficient there are one minute challenges, aimed at getting as high a score as possible. Printable answer pages or certificates are also available, which are ideal as records of achievement or assessment. Go to Year 3 Addition on-screen activities Go to Year 3 Subtraction on-screen activities