Do you want to get better at knowing number facts and being able to use these facts to work out other facts? If so, then these activities are for you. (By the way, adults may call this being 'fluent' in number.)
If you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10? Which ones do you have to leave out? Why?
This is an adding game for two players.
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.