🧮 Part 1: Vertical Subtraction Practice

a) 352 - 128 = _______

b) 470 - 256 = _______

c) 634 - 189 = _______

✅ Part 2: Checking with Addition (Inverse Operations)

Check for 352 - 128:

_______ + 128 = 352

Check for 470 - 256:

_______ + 256 = 470

Check for 634 - 189:

_______ + 189 = 634

🤔 Part 3: Understanding Inverse Operations

When I check 245 - 137 = 108, I add _______ + _______ and I should get _______.

🎯 Part 4: Problem Solving and Checking

a) 583 - 297 = _______

Check: _______ + 297 = 583

b) 721 - 456 = _______

Check: _______ + 456 = 721

💭 Part 5: Reflection