Multiplying 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 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

Calculate: (0.18)(-2.0)

Back

-0.36

Tags

CCSS.7.NS.A.2A

Front

Calculate: 2/3 x (-6)

Back

-4

Tags

CCSS.7.NS.A.2A

Front

Calculate: 45.1 x 7

Back

315.7

Tags

CCSS.6.NS.B.3

Front

Calculate: -1/3 x 2/5

Back

-2/15

Tags

CCSS.7.NS.A.2A

Front

Calculate: (-0.2)(-0.8)

Back

0.16

Tags

CCSS.7.NS.A.2A

Front

What is the rule for multiplying fractions?

Back

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

Tags

CCSS.5.NF.B.6

Front

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

Back

The product will be negative.

Tags

CCSS.7.NS.A.2A