Make Topic 3 (Adding Within 100) engaging and interactive for your students with this print-and-go workbook designed to support EnVision Math or any 2nd-grade math curriculum.

This resource includes seven interactive workbook lessons that guide students through multiple strategies for adding within 100, including:

• Using a 100 chart to find sums
• Using an open number line for addition
• Breaking apart numbers with place value (expanded form)
• Using compensation strategies to make addition easier
• Solving one- and two-step word problems
• Explaining their thinking using pictures, words, or equations
  

Each page is student-friendly with clear directions, space for showing work, and opportunities for students to model their thinking.

What’s Included

✅ Lesson 1: Add Within 100 Using a 100 Chart
✅ Lesson 2: Add Within 100 Using an Open Number Line
✅ Lesson 3: Add Within 100 Using Place Value (Expanded Form)
✅ Lesson 4: Add Within 100 Using Compensation
✅ Lesson 6: Solve One-Step and Two-Step Word Problems
✅ Lesson 7: Show Your Work and Explain Your Thinking

Why Teachers Love This Resource

• Perfect for guided math, centers, homework, or independent practice
• Builds confidence with multiple addition strategies
• Encourages students to explain and justify their reasoning
• Aligned with 2nd grade math standards (CCSS 2.OA.A.1, 2.NBT.B.5)
• Ready to use — just print and go!
  

How to Use

• Print as a complete workbook for Topic 3
• Use individual pages for small-group instruction or math journals
• Assign as homework or extra practice
• Use as assessments to check for mastery at the end of the topic