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Welcome to Halloween Estimations. What place value should I round to for each? How did you know?. 389+625 1,111+234 89+23 112+87 1,567+4,222 79+456. Estimate. 21+67 20+70=140 Now you try one!. Estimate. 339+578
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What place value should I round to for each? How did you know? • 389+625 • 1,111+234 • 89+23 • 112+87 • 1,567+4,222 • 79+456
Estimate 21+67 20+70=140 Now you try one!
Estimate 339+578 Hint: Round to the nearest hundred because that’s the highest place value they both have.
Estimate 339+578 300+600=900
Estimate 678+72 Hint: Round to the nearest ten because that’s the highest place value they both have.
Estimate 678+72 680+70=750
Estimate 1,567+4,356 Hint: Round to the nearest thousand because that’s the highest value they both have.
Estimate 1,567+4,356 2,000+4,000=6,000
Now for the last one!
Estimate 8,425+378 Hint: How did I know to round to the nearest hundred?
Round to the nearest hundred 8,425+378 8,400+400=8,800
HAPPY HALLOWEEN!