This learning resource focuses on mastering whole number operations through the lens of multi-step word problems, a critical skill for the ACT. The resource provides a structured approach to applying addition, subtraction, multiplication, and division in practical scenarios. Starting with essential vocabulary for each operation, it includes a worked example involving a profit calculation for a school drama club. Students proceed to independent practice, solving problems involving budgeting and revenue generation. The resource also encourages metacognitive reflection on which operations were challenging. Additionally, it features activities like error analysis and encourages creative problem-solving through the creation of original multi-step word problems that utilize inverse operations. This comprehensive guide not only strengthens computation skills but also enhances logical reasoning by addressing common pitfalls and fostering problem-solving strategies.