DEFINITIONS
The difference between any two consecutive terms in a pattern.
What is common difference?
10, 20, 30, 40, ....
50, 60, 70
15, 30, 45, 60,...
Start at 15 them add 15 each time.
What is the 3rd term in the following pattern?
5, 10, 15, 20.....
15
Something that follows a rule while either repeating or changing.
What is a pattern rule?
1, 2, 4, 8,....
16, 32, 64
144, 133, 122, 111....
Start at 144 and decrease by 11 each time
What is the common difference in the following pattern?
2, 4, 6, 8,.....
2
Start with 4 and add 2 each time is an example of what kind of pattern rule?
What is a recursive pattern rule?
100, 97, 94, .....
91, 88, 85
2, 5, 9, 14,....
Start at 2 then add 3, then 4, then 5, and so on.
What are the first three numbers in this pattern:
Start with 5 and add 11 each time.
16, 27, 38
A pattern rule that uses the term number (n) to determine a term in the pattern.
What is an explicit pattern rule?
2, 5, 9, 14, ....
20, 27, 35
1000, 500, 250, 125,...
Start at 1000 and divide by 2 each time.
A ticket to the fair costs $2.00 on Sept 1. Each day the price increases by $0.25. How much will the ticket cost on Sept 6?
$3.25
A number that tells the position of a term in a pattern.
What is a term number?
29, 38, 47, 56,...
65, 74, 83
1, 11, 111, 1111,....
Start with 1, the next number is 10 more, the next number is 100 more, then 1000 more, and so on.
Determine the 10th term in the pattern.
3, 6, 9, 12, ...
30