What's New: Subtract 11 or 21 from 2-digit numbers

When subtracting 11 from a number often the easiest way is to subtract 10 and then count back one. Some people prefer to subtract the unit first and then the ten. The same can be said for subtracting 21: subtract 20 and count back one. These pages are good practice...

What's New: Subtracting tens and units

Here we have an excellent set of four maths worksheets introducing subtraction of both tens and units. There is no 'decomposition' involved; in other words the units to be taken away are always smaller than or equal to the units of the number. Interestingly, most adults who do this 'in...

What's New: Position numbers on a number square

By Year 2 most children will be very familiar with number squares, which help them count on and back. This set of 4 maths worksheets uses parts of a number square to check children's ability to count on. It takes a 4 by 3 section and leaves most of the...

What's New: How many ways?

How many ways can you make 10 by adding 3 numbers? Are there more ways of making 20? Two of these pages have a number line to help whilst two don't. These mini investigations are all about logical thinking, trying things out, working in a systematic way, recording information and...

What's New: Add 3 numbers to make 20

Here we have 4 worksheets on adding three numbers to make 20. On the first page, one of the numbers is always 10, making it very similar to adding two numbers to make 10. The third and fourth pages only have one number given so that there are a range...

Resource of the Week: Using an abacus for numbers up to 99

An abacus is a counting frame and has been used extensively throughout Asia and Africa to help with calculating. It is an excellent resource for helping your child understand 2-digit numbers up to 99. These maths worksheets show clearly the two columns, the units and the tens. In other words...