Search Results For “add and subtract multiples of 10 and 100”

Recognising ‘What is the sum of…’ and ‘What is the total of…’ to add two numbers.

Recognising ‘What is the sum of…’ and ‘What is the total of…’ to add two numbers, with bar models to help.

Finding pairs of numbers that add up to 20, and hopefully beginning to learn them.

Here we have another in our series on multiplication and tables. This time we are looking at the ten times table. This is often thought of as the easiest table as the digits don't change, but don't get caught in the trap of telling your child that you 'just add a naught' to multiply by ten.

Put the numbers in the grid so that each row, column and diagonal add up to the same total.

Put the numbers 1, 2, 3, 4 and 5 onto the grid so that both lines add up to the same total. How many ways?

Try these adding to make the next whole ten questions - good revision and practice.

Help with adding whole tens and whole hundreds ?in your head?.

Adding 9 or 11 to 3-digit numbers by adding 10 and adjusting.

Once the technique for adding 9 to a number has been mastered, there is no problem with adding 19, 29 or 39!

Some people (especially those who still use feet and inches!!) think it is important to know how to multiply by 12. It?s easy ? just add 10 times the number to 2 times the number.