Multiplying and Dividing Rational Numbers

Front

What do you do when multiplying fractions?

Back

Multiply top times top and bottom times bottom.

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Back

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Front

What is the sign of the product of two positive numbers?

Back

Positive.

Front

If Frank weighs 225 pounds on Earth, how much would he weigh on Mars where gravity is 0.38 of Earth's?

Back

85.5 pounds.

Front

What is a rational number?

Back

A number that can be expressed as the quotient or fraction of two integers.

Front

How do you divide fractions?

Back

Multiply by the reciprocal of the divisor.

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Back

Front

What happens to the sign when you multiply two negative numbers?

Back

The product is positive.

Front

What happens to the sign when you multiply a positive number and a negative number?

Back

The product is negative.