Add and subtract 1, 10 and 100

It's really important in Year 3 to be able to add and subtract 1,10 and 100 quickly. If you can't do that yet:
DO NOT PANIC!
Remember that these things can help you: 100 squares and numberlines.

Here are some numberlines you can use to help you count on (add) or count back (subtract).
Here is a hundred square which you can use to help you add or subtract. Can you splat the number which is 10 more than 33?
This game is great for helping you to get more used to where numbers are on a 100 square.

When you have used a 100 squares and a numberline lots, you will eventually be able to have a virtual one inside your own head...that can really help your maths.

Want to get quicker at learning your number bonds for 10 and you like saving whales? Try this game.
This one is great for learning your number bonds up to any number. 2 minutes a day at this one would really help you to make an improvement.

Try this game for adding 10. This is a one player game.
This game is great for -10 and is also a one player game.
This game is a two player game...you get to sink a submarine!