Addition Maths Worksheets For Year 5 (age 9-10)
Children will enjoy showing off their high level of mental arithmetic. Quick mental methods are extended to larger numbers, including addition of two, 2-digit numbers. The standard written method should now used efficiently, including numbers with decimals.
Revise Mental Addition and Subtraction
Revision pages on adding to make multiples of 10 and subtraction of multiples of 10.
Revise Addition Skills
Revising adding and using the relationship between addition and subtraction.
Adding and Subtracting Whole Hundreds
Addition and subtraction of multiples of 100. Easy if you know the totals of pairs of single digits.
Pairs that Make 100 or 1000
Knowing pairs of numbers that make 10 and being able to count in tens make these questions much quicker to answer.
Mental Addition of Several Small Numbers (1)
Quick timed challenge adding three or more small numbers as quickly as possible.
Mental Addition of Several Numbers (2)
Without doing any working out on paper answer these adding several numbers questions.
Harder Mental Addition of 2 and 3-digit numbers
Work out the addition questions in your head and just write down the answers.
Mental Addition of Decimals
Mental addition with decimal fractions.
Mental Addition and Subtraction of Decimals (1)
Mental addition and subtraction using decimals to make a total of 1 or 10.
Mental Addition and Subtraction of Decimals (2)
Applying knowledge to add and subtract decimals mentally.
Mental Addition and Subtraction of Decimals (3)
Adding tenths and hundredths. These are just like adding tens and units, but watch out for the decimal point!
Addition With a Calculator
Using a calculator to find totals; but it is always best to repeat the question in reverse order to check that it is correct.
Written Addition of Whole Numbers
Take particular care to line up the units when adding these numbers.
Written Addition of Decimals
When adding decimals it is very important that the decimal points line up under each other.
Addition Practice With Decimals
Using the standard written method to efficiently add decimals.
Investigate Addition
Mini addition investigations. I especially like the one on page 3.
The Amazing Total of 34
How many different ways can four squares be chosen that add up to 34. There are lots of them!
