Unit Circle Rush builds fluency with radian measure, coordinates, and trig values
around the unit circle, then flips the challenge so students can find an angle
from a given value. Tap any standard below to jump directly into the matching activity.
High School — Functions (F-TF)
Understand radian measure as the arc length traveled around the unit circle.HSF-TF.A.1
Extend trig functions to all real numbers using the unit circle in the coordinate plane.HSF-TF.A.2
Use special triangles to find sine, cosine, and tangent for π/6, π/4, and π/3.HSF-TF.A.3
Use the unit circle to explain the symmetry and periodicity of trig functions.HSF-TF.A.4
Choose trigonometric functions to model periodic phenomena with specified amplitude, frequency, and midline.HSF-TF.A.5
Understand how restricting a trig function's domain allows an inverse to be constructed.HSF-TF.B.6
Use inverse trig functions to solve equations and interpret the solutions in context.HSF-TF.B.7