Addition Maths Worksheets For Year 6 (age 10-11)
Less emphasis on addition this year, as it is presumed that most of the basic skills have already been learned. Mental addition still needs to be practised on a regular basis, including adding decimals (such as 3.4 + 4.8) ‘in your head’. Written methods are consolidated, with the standard written method used confidently whenever necessary.
Revise Quick Mental Addition
Revision of adding several small numbers mentally, using strategies learned earlier.
More Mental Addition
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.
Very Hard Mental Addition
These are about as hard as you will get for mental arithmetic. Many children (and adults) will find them very tricky!
Add Several Numbers
Further practice with mental addition using a variety of strategies to answer them quickly and correctly.
Add and Subract Multiples of 100
Without any written working out, answer these addition and subtraction of multiples of 100.
Adding On with Decimals
Tricky sums, these. Think about the digits in the tenths and hundredths columns when working out these addition of decimals questions.
More Addition of Decimals
Work out mentally the answers to these sets of addition sums. For some, write down the method used to do it.
Written Addition of Decimals and Large Numbers
When adding using decimals it is very important that the decimal points should line up under each other. If the sum also involves whole numbers it is a good idea to put a decimal point after the whole number followed by a zero.
Written Addition of Thousands
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.
