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Math · Algebra 2 · Unit 1

Unit 1: Sequences and Functions

Students revisit functions through sequences, seeing arithmetic and geometric sequences as linear and exponential functions restricted to integer domains, and represent and model situations using sequences.

Worksheets

Every sheet has an answer key. Free to print, no login.

Unit
📝 Worksheet ✅ Answer guide
Concept
📝 Worksheet ✅ Answer key
Practice
Set 1
📝 Worksheet ✅ Answer key
Set 2
📝 Worksheet ✅ Answer key
Advanced
Set 1
📝 Worksheet ✅ Answer key
Set 2
📝 Worksheet ✅ Answer key

What this unit covers

A Sequences · 4 lessons
Goals
  • Determine missing terms in arithmetic and geometric sequences.
  • Determine the growth factor of a geometric sequence and the rate of change of an arithmetic sequence.
Lessons
  1. A Towering Sequence
  2. Introducing Geometric Sequences
  3. Different Types of Sequences
  4. Using Technology to Work with Sequences (Optional)
B Representing Sequences · 3 lessons
Goals
  • Create a table, graph, or recursive definition of a sequence from given information.
Lessons
  1. Sequences Are Functions
  2. Representing Sequences
  3. Representing More Sequences
C What’s the Equation? · 3 lessons
Goals
  • Create equations for sequences representing situations.
  • Identify restrictions on the domain of a sequence based on the context.
Lessons
  1. The nth Term
  2. Situations and Sequence Types
  3. Adding Up
See the whole map Unit 2 →

Adapted from the Illustrative Mathematics curriculum (v.360), licensed CC BY-NC 4.0. © Illustrative Mathematics.