Arithmetic Series

​Arithmetic Series

Open Ended

What do you understand of the word series?

​Arithmetic Series

Sum of the Arithmetic Sequence

​Let's Watch!

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​Arithmetic S https://www.youtube.com/watch?v=pvLdwOjuivE&t=265s eries

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​Arithmetic Series

Formula

Multiple Choice

What is the sum of the 1st 5 terms of $$a_n=3n+2$$  ?

Formula: $$S_n=\frac{n}{2}\left(a_1+a_n\right)$$  

• 55

• 22

• 5

• 2

Multiple Choice

What is $$S_{17}$$  if $$a_1=3$$  and $$d=4$$  ?

• 595

• 590

• 585

• 580

Multiple Choice

What is the sum of the 1st 25 terms of the multiple of 3?

• 975

• 970

• 965

• 960

​What is the sum of the 1st 25 terms of multiple of 3?

Any Questions?

Open Ended

What is your take - away or question in this session?

Thank you :)