This site has a couple of cute games for the kids DIY Your Own Backyard Carnival! This link has TONS of really great ideas that would be CHEAP to copy! This would be great for block parties, school parties or birthday parties!
Frisbee toss game for active Math. Take one basket and put numbers on the bottom of the frisbees. A couple of a 10 and then a If they get the in the basket then they could choose to take 6 points or take another throw with any one of the frisbees.
LA Carnival Inspired Engagement Party by LMarie Photography