This week in maths we have been learning about numbers to 20. We matched Numicon to numbers and sorted them into odd and even numbers. We noticed that even numbers each have a ‘partner’ and odd numbers have ‘one left over’. We found out that even numbers end in 0, 2, 4, 6 or 8; and odd numbers end in 1, 3, 5, 7 or 9.
Next we looked at ‘teen’ numbers and made them from Numicon. For example, 17 is made of one 10 and seven 1s and 12 is made of one 10 and two 1s. We then wrote these number sentences in bubbles to show how we can split the numbers into tens and ones.
We then practised our adding skills by ‘buying’ toys from a ‘toy shop’! We chose 2 pictures and stuck them in our book, then we wrote the number sentences to add the ‘prices’ together and finally calculated the answer. We used our fingers, number facts, number lines, 100 square or Numicon to help us. Some of us extended ourselves to add 3 numbers together. We challenged ourselves to work out which toys we could buy if we had 10p. Knowing our maths facts really helped us work out the answers and good games to practise these are: