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 reciprocal of a number?

Back

The reciprocal of a number is 1 divided by that number. For example, the reciprocal of 2 is 1/2.

Front

What is the reciprocal of a negative rational number?

Back

The reciprocal of a negative rational number is also a negative rational number.

Tags

CCSS.HSN.RN.B.3

Front

Which number has no reciprocal?

Back

0 has no reciprocal because division by zero is undefined.

Tags

CCSS.8.EE.A.1

Front

What is the additive inverse of a number?

Back

The additive inverse of a number is the number that, when added to the original number, results in zero.

Tags

CCSS.7.NS.A.1B

Front

What is the additive inverse of (-a/b)?

Back

The additive inverse of (-a/b) is a/b.

Tags

CCSS.7.NS.A.1B

Front

True or False: -|x| x |x| = x for all rational numbers.

Back

False.

Tags

CCSS.6.NS.C.7C

Front

Which numbers are their own reciprocals?

Back

1 and -1 are their own reciprocals.

Front

What is the definition of a positive rational number?

Back

A positive rational number is a rational number greater than zero.

Tags

CCSS.8.NS.A.1

Front

What is the definition of a negative rational number?

Back

A negative rational number is a rational number less than zero.

Tags

CCSS.8.NS.A.1