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

How do you multiply two negative numbers?

Back

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

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

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

Back

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

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

How do you multiply fractions?

Back

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

Tags

CCSS.5.NF.B.6

Front

What is the result of multiplying (2.5) and (-1.2)?

Back

The result is -3.

Tags

CCSS.7.NS.A.2A

Front

How do you convert an improper fraction to a mixed number?

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator and express the remainder as a fraction.

Front

What is the first step in adding fractions with different denominators?

Back

The first step is to find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you simplify the fraction 4/15?

Back

The fraction 4/15 is already in its simplest form, as there are no common factors between 4 and 15.

Front

What is the result of (-1/4) multiplied by (1/2)?

Back

The result is -1/8.

Tags

CCSS.7.NS.A.2A

Front

How do you solve application-based problems involving fractions?

Back

Identify the quantities involved, determine the operation needed (addition, multiplication, etc.), and apply the appropriate mathematical rules.

Tags

CCSS.5.MD.B.2