MathIsimple
Unit 1 of 7

Unit 1: Two-Digit Operations

Master two-digit addition and subtraction with and without regrouping. Build confidence with larger numbers and develop strong operation skills! ✨

4
Lessons
16
Activities
~2 hrs
Duration
Easy-Hard
Difficulty
Place Value FocusRegrouping MasteryVisual ToolsReal-World Problems

Four Progressive Lessons

Start with simple addition and work your way up to mastering regrouping in both operations!

Practice Worksheets

Reinforce your learning with printable and interactive worksheets. Available in both basic and advanced levels!

Basic Level

Foundation Practice

Build confidence with 20 fundamental questions covering two-digit addition and subtraction basics.

  • Multiple choice & fill-in-blank questions
  • Instant feedback & explanations
  • Printable PDF available
Start Worksheet
Advanced Level

Challenge Problems

Extend your thinking with 15 challenging problems involving multi-step reasoning and regrouping mastery.

  • Word problems & critical thinking
  • Detailed solution explanations
  • Printable PDF available
Start Worksheet
🎯

What You'll Master in Unit 1

By completing this unit, you'll confidently add and subtract two-digit numbers with and without regrouping, understand place value deeply, and solve real-world math problems!

Two-Digit Addition Mastery
Add any two-digit numbers with confidence
Subtraction Fluency
Subtract two-digit numbers accurately
Regrouping Understanding
Know when and how to regroup/borrow
Problem Solving
Apply skills to real-world situations