Pairs of Numbers
Which numbers can you put into pairs that add to 10? Which ones do you have to leave out?
Which numbers can you put into pairs that add to 10? Which ones do you have to leave out?
In this game about tens and ones, you move counters along the snail's body and in a spiral around its shell.
How could you estimate the number of pencils/pens in these pictures?
Have a look at these photos of different fruit. How many do you see? How did you count?
Jack's mum used the same candles on his and his sister Kate's birthday cakes. When was Kate born?
How many legs do each of these creatures have? How many pairs is that?
Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?
Can you work out how to win this game of Nim? Does it matter if you go first or second?