Doubling and halving are the early stages of multiplication and division. By the end of year 1 children should know, off by heart, the doubles of all numbers up to 10 and work out the equivalent halves. They should also be able to combine groups of two and five and share a group of objects into two equal parts.
Begin to know the double of numbers up to 10.
Doubling small amounts of money. We could all be rich if we could do this in real life!
Let's start to count up in whole lots of 5: the beginning of the 5x table.
Finding 'lots of'. It might help to have some cubes handy to help counting.
A quick look at the multiplication sign and multiplying by 2.
Show 3 lots of 5 as an array.
Make sure that everyone gets an equal share.
Draw rings round the money so that each ring has an equal amount of money in it.
Find how many taxis are needed for groups of people. 5 in each taxi.