Arithmetic Sequences

1
Arithmetic Sequences

• 3102.3.1    Recognize and extend arithmetic
  sequences

2
Find the Common Difference

• 82, 76, 70, 64
• What is the common difference of the arithmetic
  sequence?
• Find the next 3 terms in the sequence.
• 82, 76, 70, 64,

-6
58
52
46
3
Find the nth term

• Use this formula to find the nth term of the
  following arithmetic sequence
• 82, 76, 70, 64
• an a1 (n 1)d
• n the term you are wanting to find
• a1 the first term of the sequence
• d the common difference
• Find the 201st term
• a201 82 (201 1) -6
• a201 -1118

4
Finish the Pattern
Which shape would come next?