Multiplying and Dividing Rational Numbers

Front

What is a rational number?

Back

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

Front

How do you multiply two negative rational numbers?

Back

When you multiply two negative rational numbers, the result is a positive rational number.

Front

What is the product of -1.2 and -3.4?

Back

The product of -1.2 and -3.4 is 4.08.

Front

How do you divide a negative rational number by a positive rational number?

Back

When you divide a negative rational number by a positive rational number, the result is a negative rational number.

Front

What is the quotient of -22.196 and 6.2?

Back

The quotient of -22.196 and 6.2 is -3.58.

Front

How do you multiply a positive rational number by a negative rational number?

Back

When you multiply a positive rational number by a negative rational number, the result is a negative rational number.

Front

What is the simplest form of the fraction 63/72?

Back

The simplest form of the fraction 63/72 is 7/8.

Front

If a recipe requires 1/3 cup of an ingredient, how much is needed for 4/5 of the recipe?

Back

For 4/5 of the recipe, you need 4/15 cup of the ingredient.

Front

What happens to the sign of the product when multiplying two rational numbers with different signs?

Back

The product of two rational numbers with different signs is negative.

Front

What is the result of multiplying 50 mph by 1.22?

Back

The result is 61 mph.