The 100 square challenge! Can you use your knowledge of numbers, patterns and place value to reassemble the 100 square? How about trying it against the timer? Can you even complete more than one square before the time runs out?
Shape monsters are a great way to combine Halloween with math! You can incorporate shapes, vertices and adjectives all in one. Have the kids create their shape monster then describe it using math vocabulary and adjectives
Leftover Plastic Pumpkins? Turn them into Counting Fun!
I could totally do this with money-- dollars on a pumpkin then popsicle sticks with bills and coins that add up to the amount. Addition/subtraction sorting - child needs to determine which sticks add up to the number on the bucket.