In this activity, students practice adding and subtracting 3-digit numbers and counting perimeter and area of shapes that use all right-angles. After solving each problem, match the number with the corresponding letter at the bottom to find the answer to the riddle! The riddle: "What do you call a cow that eats your grass?" Answer: "A lawnmoo-er!"
This activity is perfect for homework or as a Do-Now! Check out my other product listings for more great math ideas!