I used this as a math center in my third grade classroom as part of an introduction to multiplication. It goes along well with Envisions Topic 3.
1. Player 1 picks a card and writes the repeated addition and the multiplication problem for the card on his/her whiteboard.
2. Player 2 checks the answer with the key. If player 1 is correct, they roll the dice and add spooky erasers to their haunted house. It is the next players turn.
3. When all the cards are gone, the player with the most spooky erasers on their house is the winner.