MATH FACTS -or- SIGHT WORD PRACTICE~ Write facts or words on the bottom of small cups. Students get the fact or word correct, and then they can add the cup to their own tower. Clever, fun use of inexpensive materials!
Ten-Twenty-Thirty: "The objective of the game is to try to get each row of three cards to equal a sum of a multiple of 10...To make the game more challenging, try finding sums of different multiple bases. For example, if you use 6 as a base, sums would have to add to 6, 12, 18..."