Multiply and Divide 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

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 and a negative rational number?

Back

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

Tags

CCSS.7.NS.A.2A

Front

How do you multiply two fractions?

Back

To multiply two fractions, multiply the numerators together and the denominators together.

Tags

CCSS.5.NF.B.6

Front

What is the result of -⅘ × -⅙?

Back

2/15

Tags

CCSS.7.NS.A.2A

Front

How do you divide fractions?

Back

To divide fractions, multiply by the reciprocal of the divisor.

Tags

CCSS.6.NS.A.1

Front

What is the result of ⅚ ÷ (-½)?

Back

-5/3

Tags

CCSS.7.NS.A.2B

Front

What is the result of 0.729 ÷ 1.5?

Back

0.486

Tags

CCSS.6.NS.B.3

Front

What is the result of -5.05 × 0.4?

Back

-2.020

Tags

CCSS.7.NS.A.2A

Front

What happens when you divide a negative number by a positive number?

Back

The result is negative.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B