Q 1: 87 - 41 estimate is about ________ . (hint: estimate the difference of two digit numbers by rounding to nearest tens place, that is 90-40 = ?). 40 50 60
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Q 2: 559 + 318 estimate is about ________ . (hint: estimate the sum of three digit numbers by rounding to nearest hundreds place, that is 600+300 = ?). 800 500 900
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Q 3: 419 - 187 estimate is about ________ . (hint: estimate the difference of three digit numbers by rounding to nearest hundreds place, that is 400-200 = ?). 200 400 300
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Q 4: 928 - 237 estimate is about ________ . (hint: estimate the difference of three digit numbers by rounding to nearest hundreds place, that is 900-200 = ?). 600 700 800
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