Master addition and subtraction the adventurous way! ✨ In this story-rich, gamified worksheet, students practice fluently adding and subtracting multi-digit whole numbers using the standard algorithm, all while earning XP and unlocking clues to find the legendary treasure of Rounding Ridge. ✨ What’s Included: ✔ 4 scaffolded levels (addition, subtraction, mixed, challenge) ✔ 20 problems aligned to CCSS.4.NBT.B.4 ✔ One fully worked example to model the algorithm ✔ Engaging quest-based sto