🧮 Part 1: Subtraction Problems

Instructions: Solve each subtraction problem, then check your answer by adding.

Check: _______ + 234 = 456

Check: _______ + 456 = 789

Check: _______ + 423 = 635

Check: _______ + 325 = 847

✅ Part 2: Check These Answers

Instructions: Use addition to check if these subtraction answers are correct. Circle "Correct" or "Incorrect".

Check: 333 + 234 = _______

Check: 431 + 461 = _______

Check: 432 + 326 = _______

🔢 Part 3: Larger Numbers

Instructions: Solve these subtraction problems with larger numbers and check your work.

Check: _______ + 623 = 945

Check: _______ + 542 = 876

Check: _______ + 271 = 693

🎯 Part 4: Word Problems

Instructions: Read each problem, write the subtraction equation, solve it, and check with addition.

Subtraction equation: ________________

Answer: _______ students

Check: _______ + 432 = 864

Subtraction equation: ________________

Answer: _______ books

Check: _______ + 324 = 756

💭 Part 5: Reflection