Rational vs Irrational

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 an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.

Tags

CCSS.8.NS.A.1

Front

Is the number 0.75 rational or irrational?

Back

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

Back

Rational, because it is a fraction of two integers.

Front

Back

Undefined, as division by zero is not allowed.

Tags

CCSS.HSN.RN.B.3

Front

What type of number is a repeating decimal?

Back

Rational, because it can be expressed as a fraction.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What type of number is the square root of 4?

Back

Front

What type of number is the square root of 5?

Back

Irrational, because it cannot be expressed as a fraction.

Tags

CCSS.8.NS.A.1

Front

What are whole numbers?

Back

Whole numbers are non-negative integers, including zero: {0, 1, 2, 3, ...}.

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero: {..., -3, -2, -1, 0, 1, 2, 3, ...}.

Tags

CCSS.HSN.RN.B.3