Lessons for F.BF.A.1A
Closed form versus recursive formA recursive rule needs every earlier term, while a closed formula gives any term straight away.Lesson
Arithmetic sequences and the explicit formulaThe nth term straight from n, which is a linear rule.Lesson
Geometric sequences and the explicit formulaThe nth term straight from n, which is exponential.Lesson
Building a model from a descriptionTurning a written account of a situation into a rule, with each quantity named and its units stated.Lesson
Recursive formulasDefine each term from the one before, plus a starting value.Lesson
Printable Worksheets
Closed form versus recursive form worksheet (PDF)Printable worksheet with answer keyPreview
Arithmetic sequences and the explicit formula worksheet (PDF)Printable worksheet with answer keyPreview
Geometric sequences and the explicit formula worksheet (PDF)Printable worksheet with answer keyPreview
Building a model from a description worksheet (PDF)Printable worksheet with answer keyPreview
Recursive formulas worksheet (PDF)Printable worksheet with answer keyPreview