Estimate the Sum, Difference & Product Challenge

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Estimate the sum by rounding addends to the nearest Ten696 + 853 = ?
Estimate the sum by rounding addends to the nearest Ten28 + 62 = ?
Estimate the product by rounding multiplicand and multiplier to the nearest Ten46 x 78 = ?
Estimate the product by rounding multiplicand and multiplier to the nearest Hundred982 x 434 = ?
Estimate the differnce by rounding minuend and subtrahend to the nearest Ten29 - 11 = ?
Estimate the sum by rounding addends to the nearest Ten865 + 400 = ?
Estimate the differnce by rounding minuend and subtrahend to the nearest Ten748 - 169 = ?
Estimate the sum by rounding addends to the nearest Ten55 + 88 = ?
Estimate the sum by rounding addends to the nearest Ten49 + 68 = ?
Estimate the differnce by rounding minuend and subtrahend to the nearest Hundred424 - 285 = ?
Estimate the sum, difference and product challenge is an online test to assess 4th or 5th grade student's math skills on finding the sum of two numbers, product of two numbers and difference between two numbers by rounding multi-digit whole numbers to the nearest 10, 100 and 1000 by estimation in pre-algebra or number and operations in base ten (NBT) of common core state standards (CCSS) for mathematics.
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kuku
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