Riddles
What has hands and a face but can't smile?
Clock
Identify the 6th term 32,38,44,50,____
62
Sally is collecting seashells on the sea shore. On the first day she collects two, on the second day she collects four, on the third day she collects six, how many will she collect on the fourth day?
eight seashells
Find the nth term 5, 8, 11, 14, 17, …
3n+2
What is the common difference in the arithmetic sequence: 46, 39, 32, 25, ...
-7
I live in the sky but fall to the ground. I’m cold and white and make no sound. What am I?
Snow
Identify the 8th term 1,4,7,10,13,16,___
22
The local adventure store sells tents in several sizes. The small tent sleeps 3 adults, the medium tent sleeps 5 adults. The large tent sleeps 7 adults. How many adults will the extra large tent sleep?
9 adults
Find the nth term 5, 9, 13, 17, 21, …
4n +1
Insert 4 numbers in sequence between 5 and 25.
9, 13, 17, 21
Free 500 points
Linear or Arithmetic Sequence
-20, -14, -7, -1.....
What is the next term?
5
You want to save money to buy yourself a new cellphone. You open a savings account that pays you interest each month. You deposit 2,500 Pesos. The first month you check your account to find that you now have 2,700 Pesos. The second month you have 2,900 Pesos. The third month you have 3100 Pesos. How much will you have on the fourth month?
3,300 Pesos
Find the nth term 1, 8, 15, 22, 29, …
7n -6
Find a formula for the nth term of the arithmetic sequence whose common difference is 3 and whose first term is 2.
an = 3n - 1
How many months of the year have 28 days?
All of them
2, 4, 6, 8, 10....
What is the 10th term?
20
The local restaurant has square tables. One table seats 4 people. When 2 tables are places together, 6 people can be seated. If 3 tables are put together, 8 people can be seated. If 4 tables are placed together, how many people can be seated?
10 people
Find the nth term 0, 4, 8, 12, 16, 20, …
4n-4
Consider the numbers 2, 6, 18, 54, 162,____, ____ name the seventh term
1458
It belongs to you, but your friends use it more. What is it?
Your name
Identify the next two terms 580,574,568,562, ____, ____
556, 550
You visit the Grand Canyon and drop a penny off the edge on a cliff. The distance the penny will fall is 16 feet the first second, 48 feet the next second, 80 feet the third second, and so on in an arithmetic sequence. What is the total distance the penny will fall in 4 seconds?
112 feet
Find the nth term 15, 25, 35, 45, 55, …
10n +5
Find a formula for the nth term of the arithmetic sequence 3, 6, 9, 12, 15,…
an = 3n