Addition Algorithms Mastery
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Addition Algorithms Mastery
🔢 Part 1: Place Value Understanding
a) 456 = _______ + _______ + _______
b) 789 = _______ + _______ + _______
c) 923 = _______ + _______ + _______
In the number 347, the digit 4 represents:
a) 2,468 = _______ + _______ + _______ + _______
b) 5,039 = _______ + _______ + _______ + _______
➕ Part 2: Vertical Column Addition
a) 234 + 156 = _______
b) 467 + 328 = _______
c) 589 + 247 = _______
a) 392 + 178
Estimate (round to nearest 100): _______ + _______ = _______
Exact answer: _______
a) 245 + 167 = 412
b) 389 + 156 = 545
c) 478 + 239 = 717
🔄 Part 3: Addition with Regrouping (Carrying)
a) 468 + 379 = _______
b) 597 + 248 = _______
c) 786 + 159 = _______
🛒 Part 4: Real-Life Applications
Estimate: _______
Exact total: $ _______
Total raised: $ _______
Total distance: _______ kilometres
_______ - 156 = _______ ✓
_______ - 248 = _______ ✓
🎯 Part 5: Challenge Problems
a) 2,847 + 1,695 = _______
b) 3,578 + 2,967 = _______
Step 1: Add new students: 1,247 + 389 = _______
Step 2: Subtract students who left: _______ - 156 = _______
Final answer: _______ students
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