What's New: Subtracting whole hundreds

With Christmas coming up very soon this is the final set of pages in our mini series on subtraction for year 2, which looks at subtracting a pair of multiples of 100. They show how important it is for children to learn their number bonds to 10, that is, they...

What's New: Subtract numbers either side of 100

Sometimes the easiest way to carry out a subtraction question is to do it by counting up, or adding on, from the smaller number to the larger number. This is often the case when the two numbers are close to each other but either side of the hundreds boundary. For...

Resource of the Week: Counting on in tens

When children are very confident with counting in ones and they have also worked with larger numbers in the teens, they can be introduced to counting up in whole tens. At first this will be up to 100. These four worksheets give plenty of practice at writing the whole tens...

What's New: Subtract 19 from 2-digit numbers

A much harder set of questions on these four worksheets. This time we are looking at taking away 19 from 2-digit numbers. Usually the easiest way to do this is to subtract 20 and then add one to the answer. If the number has a 9 in the units it...

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...