Ohio Resource Center
 To Fret or Not To FretORC# 7390Resource InformationResource Type: Content SupportsDiscipline: MathematicsGrades: Grades 9–12Professional Commentary: In this two-lesson unit, students explore geometric sequences and their relationship to exponential functions by considering the placement of frets on stringed instruments. ORC reviewers approved the unit as a reference site, but not as an instructional unit, because of the difficulty in collecting the required equipment....MORE...
 Squares Inside Squares: SequencesORC# 123Resource InformationResource Type: LessonsDiscipline: MathematicsGrades: Grades 9–12Professional Commentary: Students investigate the pattern determined by the areas of squares inscribed in squares formed by joining the midpoints of the sides of the previous square. The sequence generated is a simple geometric sequence....MORE...
 ODE Assessment Item, Grade 10: Find Specified Term of a SequenceORC# 5446Resource InformationResource Type: AssessmentsDiscipline: MathematicsGrades: Grades 8–10Professional Commentary: Students must compute the first three terms of a sequence and then find the fourth term. This multiple-choice question is a sample item used in the 2004 Ohio Graduation Test (see Overview of Ohio's Assessment System)....MORE...
 ODE Assessment Item, Grade 8: Find the 50th Term of a Pattern SequenceORC# 5374Resource InformationResource Type: AssessmentsDiscipline: MathematicsGrades: Grades 6–8Professional Commentary: Students are asked to write a rule describing a given pattern and then use the rule to find the 50th term. This short-answer question is a sample item used in the 2005 Ohio Grade 8 Achievement Test (see Overview of Ohio's Assessment System)....MORE...