Rachel's Roundup

RULES OF 3 DIGIT SLAM:1) Shuffle and create two piles of cards: The blue number cards and the yellow operation cards. 2) Turn over a blue number card. 3) Turn over a yellow operation card. 4) Put the two cards together to make an addition or subtraction problem. 5) Say the problem out loud and solve it. 6) Have your partner check your answer. If it is correct, say “SLAM!” and take a counter. The first player to 5 counters wins.