1.2 Activities (Rational vs Irrational)

1.2 Defining Irrational Numbers

Multiple Choice

Warmup #1:

Convert $$\frac{9}{25}$$ into a decimal.

• 0.36
• 0.50
• 0.45
• 0.25

Multiple Choice

Warmup #2:

Convert $$5\frac{3}{11}$$ into a decimal.

• 
  $$5.25$$

• 
  $$5.5$$

• 
  $$5.3$$

• $$5.\overline{27}$$

Multiple Choice

Warmup #3:

Convert $$3.\overline{1}$$ into a mixed number.

• 3 1/10
• 3 1/8
• 3 1/9
• 3 2/9

Multiple Choice

Warmup #4:

Convert $$0.\overline{26}$$ into a fraction.

• 5/99
• 2/3
• 1/4
• 26/99

Keep your eyes on the main board for a bit.

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Lesson Continues

Are all natural numbers and whole numbers we use also called rational numbers?

​All Real Numbers

Keep your eyes on the main board for a bit.

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Lesson Continues

If all the values showing in this diagram are real numbers, does that mean there could be non-real numbers out there also?

​All Real Numbers

​Answer These:

Answer These:

Square Roots: Partner Talk

Fill in the Blanks

What did you notice about the problems on the previous slide?

Draw

Write your answers beside the problems.

Keep your eyes on the main board for a bit.

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Lesson Continues

Open Ended

Think about the video we just watched.

What is one way pi ( $$\pi$$ ) is used in real life?

Open Ended

Think about the video we just watched.

What is one way $$e$$ is used in real life?

Keep your eyes on the main board for a bit.

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Lesson Continues