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Estimating the Difference
A. Find the estimated differences of the following pairs of numbers, then compare. Choose the correct answer
1. 934 − 438      934 − 458
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2. 7038 − 3141      7463 − 2434
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3. 8785 − 5345      8610 − 4479
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4. 3426 − 1254      9498 − 7121
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B. Solve the problem. Fill in the blank with the correct answer.
5.
There are 9684 registered voters in a barangay. If 5745 of them are females, about how many are males?
About are males.