This bundle of 150 multi-digit place value math riddle card activities for 3-digit and 4-digit numbers makes it fun and easy to promote mental math skills and critical thinking! Differentiate for learners in 2nd, 3rd, 4th, & 5th grades! Here's what's included in this bundle for hundreds and thousands:✅ Two sets for high second grade, third grade, and fourth grade (100 cards in total) ✅ A set for fourth and fifth grade (50 cards) The range of difficulty will allow you to easily differentiat