3-Digit Addition Subtraction
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3-Digit Addition and Subtraction
🔢 Part 1: Addition Problems
a) 234 + 156 = _______
b) 467 + 285 = _______
c) 329 + 194 = _______
a) 378 + 245
My estimate: _______ (round to nearest hundred)
Exact answer: _______
➖ Part 2: Subtraction Problems
a) 456 - 178 = _______
b) 634 - 287 = _______
c) 502 - 149 = _______
Problem: 725 - 368 = _______
Check: _______ + 368 = 725
🧠 Part 3: Word Problems
a) Sarah has 456 marbles. She gives 123 marbles to her friend Tom. How many marbles does Sarah have left?
Answer: _______ marbles
b) A school collected $345 on Monday and $278 on Tuesday for their fundraiser. How much money did they collect altogether?
Answer: $_______
c) There were 634 people at the rugby match. During half-time, 187 people left. How many people stayed to watch the rest of the match?
Answer: _______ people
🎯 Part 4: Place Value Challenge
a) 2__ 5 + 1 3 __ = 4 8 8
b) 6 __ 7 - 2 4 9 = 3 5 8
c) __ 4 2 + 1 8 __ = 6 2 5
✏️ Part 5: Explain Your Thinking
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