Select a practice type below to master addition and subtraction!
💡 Practice Tips
✓Each practice type has three difficulty levels: Easy, Medium, and Hard
✓Start with place value addition and subtraction to build your foundation
✓Use base ten blocks if you need visual help
✓Practice regrouping activities to master carrying and borrowing
✓Try vertical formats to prepare for advanced math
🎓 What You'll Learn
Place Value Strategies
Add and subtract by working with tens and ones separately
Visual Models
Use base ten blocks to understand operations
Regrouping Skills
Master carrying in addition and borrowing in subtraction
Vertical Format
Write and solve problems in traditional format
🧠 Strategy Guide
Addition Strategies
• Add ones first, then tens
• If ones ≥ 10, regroup to make a new ten
• Use counting on for small numbers
• Check: answer should be bigger
Subtraction Strategies
• Subtract ones first, then tens
• If you can't subtract, borrow from tens
• Use counting back for small numbers
• Check: answer should be smaller
🌟 Did You Know?
The ancient Egyptians used a system similar to our base ten blocks over 5,000 years ago! They had special symbols for ones, tens, and hundreds. Learning to add and subtract with place value connects you to thousands of years of mathematical history!