At the same time as addition facts such as 5 + 4 = 9 are being learned ‘off by heart’, then the corresponding subtraction facts can also be learned (eg 9 – 5 = 4). Knowing these subtraction facts really speeds up children’s calculating and the best time to learn them is now!
A timed challenge with just 30 seconds to answer as many questions correctly as possible. This one is subtracting by numbers up to 10.
Fun elimination game finding pairs of numbers with a difference of 10.
If pairs of numbers with a difference of 10 are known it is quite easy to work out pairs with a difference of 9.
Once subtraction facts to 10 have been learned they can be used to work out subtractions of multiples of 10.
Humpty's still sitting on the wall trying to work out the answers to these subtraction sentences. These can be done mentally by adding on to the answer!
The firemen are excellent at taking away, but they add the answer to the second number to find the missing number in these subtraction sentences.