Sequences, Terms and Notation Worksheet with Answer Key

What's on the worksheet

1. Find the term asked for in each sequence.
   a_n = 7n + 4; find a_{12}b_n = 50 - 6n; find b_9t_n = \dfrac{n}{n + 1}; find t_9a_n = n^2 + n; find a_{15}c_n = (-1)^{n+1} \cdot 5; find c_{20}
2. Find the missing number k from a given term, then answer further questions.
3. Count the terms of a sequence between two numbers and give the first and last.
4. Compare two sequences and find when they have the same term.
5. Seedling height: use the daily measurements to write and use a rule.
6. Theater rows: decide if the sequence is finite and answer questions about the seats.
7. Find terms of a fraction sequence and where the terms are whole numbers.