Estimating Sums and Differences
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Estimating Sums and Differences Quiz
🎯 Part 1: Round and Estimate
Round each number to the nearest ten, then estimate the sum or difference.
Round 47 to _______ and 23 to _______
Estimated sum: _______
Round 86 to _______ and 34 to _______
Estimated difference: _______
Round 152 to _______ and 89 to _______
Estimated sum: _______
Round 274 to _______ and 118 to _______
Estimated difference: _______
🛒 Part 2: Real-World Estimation
Estimated amount needed: $ _______
Estimated total: _______ cans
🧠 Part 3: Estimation Strategies
_______ + _______ ≈ _______
Show your rounding work: ________________
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