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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10


Estimating Sums and Differences

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Q 1: 928 - 237 estimate is about ________ . (hint: estimate the difference of three digit numbers by rounding to nearest hundreds place, that is 900-200 = ?).
800
700
600

 Q 2: 29 + 45 estimate is about ________ . (hint: estimate the sum of two digit numbers by rounding to nearest tens place, that is 30+50 = ?).
70
50
80

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 Question 4: This question is available to subscribers only!


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