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

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.

Further practice with mental addition using a variety of strategies to answer them quickly and correctly.

Usually to make the plural of a word ending in 'f' or 'fe', change the 'f' or 'fe' to a 'v' and add 'es'.

Simple practice using the written method to add hundreds to 3-digit numbers.

Adding hundreds to a three-digit number with squared paper to help if necessary.

Adding a single digit to a three-digit number with squared paper to help if necessary.