4.4 Multiply 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.

Tags

CCSS.5.NBT.A.2

Front

How do you multiply two rational numbers?

Back

To multiply two rational numbers, multiply their numerators together and their denominators together. Simplify the resulting fraction if possible.

Tags

CCSS.7.NS.A.2A

Front

What is the product of two negative rational numbers?

Back

The product of two negative rational numbers is positive.

Tags

CCSS.7.NS.A.2A

Front

What is the product of a positive rational number and a negative rational number?

Back

The product of a positive rational number and a negative rational number is negative.

Tags

CCSS.7.NS.A.2A

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal as a fraction with a denominator of 1, then multiply the numerator and denominator by 10 for each digit after the decimal point.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What is the result of multiplying -6/7 by -8/9?

Back

The result is 16/21.

Tags

CCSS.7.NS.A.2A

Front

What is the result of multiplying 0.5 by 0.5?

Back

The result is 0.25.

Tags

CCSS.6.NS.B.3

Front

What is the result of multiplying -2/7 by 3/5?

Back

The result is -6/35.

Tags

CCSS.7.NS.A.2A

Front

What is the result of multiplying 1.3 by -2.4?

Back

The result is -3.12.

Tags

CCSS.7.NS.A.2A

Front

What is the result of multiplying -12.5 by -2.4?

Back

The result is 30.

Tags

CCSS.7.NS.A.2A