Second Differences: When the Gaps Themselves Grow
This lesson is part of the course
In this lesson
You build a difference-of-differences table for a series, read its constant second difference and use it to continue a rising and a falling series.
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Lessons in this course
- Arithmetic Series: Constant Differences, the nth Term and Missing Terms Locked
- Second Differences: When the Gaps Themselves Grow Locked
- Geometric Series: Constant Ratios, Mixed × and + Rules and Rounding Traps Locked
- Interleaved & Alternating Series: Odd and Even Positions, Two Rules at Once Locked
- Special Sequences: Squares, Cubes, Primes and Fibonacci-Type Sums Locked
- Letter–Number Codes: Alphabet Positions, Letter Steps and Wrapping Past Z with MOD Locked
- Grid & Matrix Puzzles: Row Rules, Column Rules, the Missing Cell and the Rule Check Locked
- Timed Mixed Set: 10 Questions, Self-Scoring, Time per Question and Error Analysis Locked