2nd Grade Eureka Math Squared Module 2 Topic A-E is here!! Addition and Subtraction Within 1,000 Here are completed supplemental resources for the entire fourth book. There are 184 aligned worksheets in all. I like to use these as morning work, exit tickets, homework, and in reteach groups. Topic A: Mental Place Value Strategies Topic B: Strategies for Composing Tens and Hundreds within 1,000 Topic C: Simplifying Strategies for Subtracting within 1,000 Topic D: Strategies for Decomposing a Tens