Ohio Resource Center
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Pre-Calculus
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ORC# 1122
Resource Information
Resource Type: Content Supports -- Reference materials
Discipline: Mathematics
Grades: Grades 12–Postsecondary
Professional Commentary: Students will find tutorials, Java applets, drills, computer programs, quizzes, and LiveMath notebooks and animations on a variety of precalculus topics. More than 100 subsections of the site address polynomial, rational, exponential, trigonometric, and logarithmic functions, as well as piecewise definitions, parametric equations, and polar coordinates....
NAEP Assessment Item, Grade 12: Use Trigonometric Identity
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ORC# 1956
Resource Information
Resource Type: Assessments
Discipline: Mathematics
Grades: Grades 9–12
Professional Commentary: Students are asked to evaluate, using a trigonometric identity, a trigonometric expression that looks complicated but is actually simple. This multiple-choice question is a sample test item used in grade 12 in the 1996 National Assessment of Educational Progress (see About NAEP)....
NAEP Assessment Item, Grade 12: Use Protractor to Draw a 235° Arc on a Circle
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ORC# 1975
Resource Information
Resource Type: Assessments
Discipline: Mathematics
Grades: Grades 5–8
Professional Commentary: Students use a protractor to draw an arc measuring 235° on a given circle. This constructed-response question is a sample test item used in grade 12 in the 1996 National Assessment of Educational Progress (see About NAEP)....
Tangents, Secants, and Chords . . .OH MY!
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ORC# 8873
Resource Information
Resource Type: Lessons
Discipline: Mathematics
Grades: Grades 8–12
Professional Commentary: Students use Geometer's Sketchpad® to explore numerous relationships among measures of central and inscribed angles, arc lengths, and lengths of chords, tangents, and secants. The software is integral to the lesson, and step-by-step instructions are provided....
Six Trig Functions
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ORC# 9800
Resource Information
Resource Type: Content Supports
Discipline: Mathematics
Grades: Grades 9–12
Professional Commentary: This applet shows the unit circle and one point on its circumference. After selecting one or more trigonometric functions (sine, cosine, tangent, cosecant, secant, or cotangent), the user moves the point around the circle and observes the change in the physical representation and in the numerical values of the function(s)....
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