Consecutive numbers in a 3 by 3 square

This is really a mini version of investigating a 100 number square, but many children will feel more confident when faced with a less daunting starting point. Choose any nine consecutive numbers and place them in order (from left to right) in a 3 x 3 square. Add the diagonals....

Year 6 Mental Arithmetic: Sets 5 and 6

This week our year 6 Mental Arithmetic questions concentrate on multiplying and dividing numbers. The first two questions are quite straightforward division eg share 72 by 9. There is a considerable body of opinion that as well as knowing tables (eg 8 x 9 = 72) children should also know...

5 Digit Addition Investigation

This is a great little investigation which has plenty of extension possibilities for those with enquiring minds. Dom the Dragon is thinking of a number and we are given two rules about the number: 1. The digits add up to 5. 2. None of the digits is a zero. The...

Year 6 Mental Arithmetic: Sets 3 and 4

We have now published the second in our series of sets of mental arithmetic questions, suitable for Year 6 (10/11 yrs old). This week we are looking in particular at doubling, products and multiplying fractions by ten. Being able to double numbers is a very powerful mental strategy and can...

Year 6 maths worksheets: order of operations

When there are several operations in a number sentence (or expression) then there are certain rules that have to apply to ensure that everyone achieves the same correct answer. For example: 2 + 3 x 4 = This could be done in the order shown i.e. 2 + 3 =...

Year 6 Mental Arithmetic: Sets 1 and 2

This is the start of a whole new series of pages for year 6 mental arithmetic. Over the coming weeks we will be publishing 2 sets of 10 mental arithmetic questions each week. The first two sets of questions are basic revision and ideal to use at the start of...