Search Results For “adding to decimals”

The standard written method for addition. Check answers by adding the columns in reverse order.

More adding and taking away 19, 29 etc. Easy if you know how!

Revision pages on adding to make multiples of 10 and subtraction of multiples of 10.

Addition and subtraction of multiples of 100. Easy if you know the totals of pairs of single digits.

Quick timed challenge adding three or more small numbers as quickly as possible.

Without doing any working out on paper answer these adding several numbers questions.

Revising adding and using the relationship between addition and subtraction.

Revision of adding several small numbers mentally, using strategies learned earlier.

Adding two 3-digit numbers mentally. Often it is best to start with the hundreds, then the tens and finally the units; this is the opposite order than when using written methods.

Using the standard written method to add thousands. All questions should be answered in this way. Take particular care that the units are lined up when adding these totals together.

Use the standard written method to subtract numbers in the thousands. Check by adding the answer to the lower number in the sum.

More investigations on adding consecutive numbers, dividing by a half, writing a simple formula as well as shape patterns.