standard_description: Explain how the unit circle in the coordinate plane enables the extension of trigonometric functions to all real numbers, interpreted as radian measures of angles traversed counterclockwise around the unit circle.
problem_activity: Problem 1
Two similar situations are shown below. How are they similar and how are they different?
A pair of sneakers regularly cost $40. They are on sale for 25% off. How much money will you save?
A pair of boots are on sale for $40 off. This is a savings of 25%. What is the regular price of the boots?
Problem 2
The Alden Middle School has a girls’ soccer team and a boys’ soccer team.
The girls’ soccer team won 80% of its games this season. They won 12 games.
The boys’ soccer team won 70% of its games this season. They won 14 games.
How many games did each soccer team play this season?
Problem 3
You’ve poured 84 gallons of water from a hose into a small pool. The pool is 35% filled with water. How many gallons of water can the pool hold if it is completely filled?


aligns: no