Real Numbers Part 2

Real Numbers Part 2

This is a continuation of real number from our textbook!

Important information from last video

• There are five different classification of numbers.

• Natural Numbers- These are all our counting numbers (1, 2, 3, ...)

• Whole Numbers- These are all natural numbers including 0.

• Integers- These are all whole numbers and can be positive or negative.

• Rational Numbers- These are positive or negative numbers that can be turned into a rational (which means fraction or decimals)

• Irrational Numbers- These are numbers that cannot be changed into a ratio. Ex. pi and square root of 2.

Multiple Select

What set(s) does the negative square root of 7 belong to?

• Rational

• Irrational

• Whole

• Natural

• Integer

Multiple Select

What set(s) does the negative square root of 81 belong to?

• Rational

• Irrational

• Whole

• Natural

• Integer

Multiple Select

What set(s) does the 0.3 repeating belong to?

• Rational

• Irrational

• Whole

• Natural

• Integer

Multiple Select

What set(s) does the number 1,586 belong to?

• Rational

• Irrational

• Whole

• Integer

• Natural

Open Ended

All irrational numbers are real numbers. Is this statement true or false? Explain why it is true or false.

Open Ended

All integers are whole numbers. Is it true or false? Explain why it is true or false.

Open Ended

A number cannot be a whole number and irrational. Is it true or false? Explain why your statement is true or false. Provide an example.

Review Time!

Answer these questions to the best of your abilities.

Multiple Choice

negative cubed root of 216

• -14

• -6

• -5

• -7

Open Ended

Overall, how do you feel about the three lessons we have done?