Q 1: 559 + 318 estimate is about ________ . (hint: estimate the sum of three digit numbers by rounding to nearest hundreds place, that is 600+300 = ?). 900 500 800

Q 2: 491 + 309 estimate is about ________ . (hint: estimate the sum of three digit numbers by rounding to nearest hundreds place, that is 500+300 = ?). 700 800 200

Q 3: 87  41 estimate is about ________ . (hint: estimate the difference of two digit numbers by rounding to nearest tens place, that is 9040 = ?). 50 60 40

Q 4: 419  187 estimate is about ________ . (hint: estimate the difference of three digit numbers by rounding to nearest hundreds place, that is 400200 = ?). 400 200 300

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