Multiplication Maths Worksheets For Year 5 (age 9-10)
Just how quickly can times tables be recited? It is still important to practice times tables, especially the harder ones, such as the sevens and eights. This knowledge can then be employed to work out related multiplications, such as multiplying by 21 or 19. A good mental knowledge will also help with refining written methods of multiplication, including the use of simple decimals.
Revise Understanding Multiplication
Another look at multiplying by zero and one, and the relationship between multiplication and division.
Revise Doubling and Halving
Doubling 2-digit numbers and halving 3-digit numbers mentally.
Mentally Doubling and Halving
Some people like to start doubling with the units, others like to start with the tens. It doesn’t matter as long as the method is fast and accurate.
More Doubling and Halving
More work on doubling and halving, including larger numbers and fractions.
Even More Doubling and Halving
When we are multiplying by a number ending in 5 we can double the number and halve the other number before multiplying (by a multiple of ten, making it easy).
Multiply by 12 Mentally
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.
Multiply by 21 and 19 Mentally
To multiply by 21, just multiply by 20 and then add the number on. (To multiply by 20, double and times by 10.)
Multiply 2 Digits by 1 Digit Mentally
When multiplying 2-digit numbers by 1-digit in your head usually it is easier to start with the tens.
Multiply Multiples of One Hundred
Multiplying three digit multiples of 100 is fairly easy, but there are some addition adjustments to make on some of these.
Explaining Mental Methods
All the questions on these pagers can be done mentally: the important part is explaining the method that was used.
Multiplication Quick Questions
When working out which of these number sentences are true remember that the part in brackets should be worked out first.
Develop Written Methods for Multiplication
Moving towards a written method of multiplication. If we have a two digit number multiplied by a two digit number, we can split each number into tens and units and multiply both parts of the first number by both parts of the second number.
Refine Written Methods for Multiplication
Setting multiplication calculations out in a vertical format, ready for the standard method.
Multiplication Practice: Two Digits by One Digit
Practice with multiplying two digit numbers by one digit, using the standard written method.
Multiplying 3-digit numbers by 2, 5 and 10
Use the standard short method of multiplication with 3-digit numbers, but just keeping to the 2x, 5x and 10x tables.
Multiplication Practice with Decimals
More practice using the standard written method of multiplication, this time with decimals.
Square Numbers
An introduction to square numbers and the number patterns associated with them.
Multiples And Factors
You can get a multiple of a whole number by multiplying it by another whole number. A factor of a number will divide into the number exactly, without a remainder.
Prime Numbers
A whole number which only has factors of 1 and itself is known as a prime number.
Checking Answers
A variety of methods for checking answers, not just multiplication.
Complete Number Sentences
Use a variety of strategies to work out the missing numbers. A good knowledge of times tables is needed.
Year 5 Mental Multiplication Concepts
A quick look at the concepts of multiplication children are expected to understand in Year 5.
Year 5 Written Multiplication Concepts
A brief look at written multiplication in year 5.
