For today's lesson you will need number cards 1-16. You can print these from the document below or create your own by cutting up 16 pieces of paper with the numbers 1-16 written clearly, one number per piece of paper. You will also need 20 objects to count with, these could be coins, pasta, lego bricks or anything similar. Finally, you will need a part whole model - you can print the one below or draw your own.
Count Down From 20 to 1 - you could try jumping, hopping or marching around as you join in.