7th Grade: Day 1 Operations with Rational Numbers Part 1

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What is a rational number?

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A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

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What is the result of multiplying two negative numbers?

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The result of multiplying two negative numbers is a positive number.

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What is the result of multiplying a negative number by a positive number?

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The result of multiplying a negative number by a positive number is a negative number.

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How do you convert a mixed number to an improper fraction?

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To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.

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What is the process for dividing fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction.

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How do you round a number to the nearest hundredth?

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To round a number to the nearest hundredth, look at the third decimal place. If it is 5 or greater, round up the second decimal place by one.

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