Welcome to the Sequence Pattern Finder Activity

Hi,  I'm Nick. Hi! What's your name?____________________________________

Answer the questions below, find the letters which match the answers in the decoder grid. Then enter the password they form and claim your treasure.
We recommend a calculator for this one.

 
QUESTION
ANSWER
LETTER
1

What is the nth term of this sequence:

47, 60, 73, 86,...

   
2

What is the 20th term of this sequence:

348, 337, 326, 315,...

   
3

What is the nth term of this sequence:

38 1/2, 39 1/4, 40, 40 3/4,...

   
4

What is the 16th term of this sequence:

17 1/3, 18 2/3, 20, 21 1/3,...

   
5

Find the nth term of this sequence:

45.92, 28.12, 10.32, -7.48,...

   
6

What is the seventy-fifth term of this sequence:

258 3/8, 244, 229 5/8, 215 1/4,...

   
7

What is the 15th term of this sequence:

1, -9.2, -19.4, -29.6,...

   
8

Find the nth term of this sequence:

3/8, 3 17/24, 7 1/24, 10 3/8,...

   
9

What is the one thousandth term in this sequence:

38, 52.92, 67.84, 82.76,...

   
10

What is the one millionth term of this sequence:

58, 56.7, 55.4, 54.1,...

   

DECODER GRID

1,578,342.7
3/8+3 1/3(n-1)
37 1/3
45.92+17.08(n-1)
38 1/2+1/4(n-1)
139
p
o
e
r
p
a
26 1/3
-842.37
-141.8
14,943.08
38 1/2+3/4(n-1)
14,940
i
y
d
t
m
c
-1,299,940.7
47+13(n-1)
159
45.92-17.8(n-1)
3/8+1/3(n-1)
-805 3/8
s
g
x
o
i
f

When you KNOW the password

 

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