Expression or Equation
Distinguish between expressions and equations
Measurement: Absolute Error
You'll learn to identify the absolute error of a measurement number.
Area of a Circle
You'll practice calculating the area of a circle given its diameter or radius.
Greatest Possible Error
You'll find the greatest possible error of measurement numbers.
Measurement: What Is Precision?
You'll be able to identify the precision of an approximate number in measurement.
Rounding to a Specific Number of Significant Digits
You'll round approximate numbers to a specific number of significant digits.
Finding Reference Angles
You'll find the reference angle for a given standard position angle.
Sine and Cosine Values on the Unit Circle (Angles in Degrees)
You'll memorize the sine and cosine values associated with reference angles of 0, 30, 45, 60, and 90 degrees.
Sine and Cosine Values on the Unit Circle (Angles in Radians)
You'll memorize the sine and cosine of the special angles of a unit circle written in radians.
Identifying the Sides of a Right Triangle
You'll learn to identify the sides of a right triangle.