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 compare two rational numbers?

Back

To compare two rational numbers, convert them to a common denominator or convert them to decimal form and then compare their values.

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Front

What is the decimal equivalent of 1/4?

Back

0.25

Front

Is -5 a rational number?

Back

Yes, -5 is a rational number because it can be expressed as -5/1.

Front

What is the sum of -3 and 1/2?

Back

-3 + 1/2 = -2.5 or -5/2.

Tags

CCSS.7.NS.A.1C

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What is the difference between a rational number and an irrational number?

Back

A rational number can be expressed as a fraction of two integers, while an irrational number cannot be expressed as a simple fraction.

Tags

CCSS.8.NS.A.1

Front

Order the following from least to greatest: -1, 0, 1/2, -2

Back

-2, -1, 0, 1/2

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Front

What is the product of -2 and 3/4?

Back

-2 * 3/4 = -3/2 or -1.5.

Tags

CCSS.7.NS.A.2A

Front

What is the reciprocal of 3/5?

Back

The reciprocal of 3/5 is 5/3.