Hi, what do you want to do?
EngageNY
Modeling with Inverse Trigonometric Functions 2
Use inverse trigonometric functions to work with ramps, rabbits, and Talladega. The class models real-world situations with trigonometric functions and solves them using inverses in the 15th installment of a 16-part series. Pupils solve...
EngageNY
Ptolemy's Theorem
Everyone's heard of Pythagoras, but who's Ptolemy? Learners test Ptolemy's Theorem using a specific cyclic quadrilateral and a ruler in the 22nd installment of a 23-part module. They then work through a proof of the theorem.
EngageNY
Putting the Law of Cosines and the Law of Sines to Use
Use the Law of Cosines and the Law of Sines to solve problems using the sums of vectors. Pupils work on several different types of real-world problems that can be modeled using triangles with three known measurements. In the process,...
CCSS Math Activities
Ferris Wheel
Wheel the resource right into your classroom. Young mathematicians use given dimensions of a Ferris wheel to write a height versus time function. They use their functions to answer a set of questions about the Ferris wheel.
Concord Consortium
Center of Population
Let the resource take center stage in a lesson on population density. Scholars use provided historical data on the center of the US population to see how it shifted over time. They plot the data on a spreadsheet to look the speed of its...
Curated OER
Radian Measure
In this Algebra II/Pre-calculus activity, learners explore radian measure of an angle and convert between degree and radian measure. The seven page activity contains explanation, examples, and nineteen multi-part problems. Answers are...
Flipped Math
Unit 9 Review: Area of Polygons
It's time to show what you know! Individuals first review finding the area of polygons using the formulas from parallelograms to regular polygons. They then brush up on finding the area and circumference of circles, as well as reviewing...
EngageNY
Modeling with Inverse Trigonometric Functions 1
Where should I stand to get the best view? Pupils use inverse trigonometric functions to determine the horizontal distance from an object to get the best view. They round out the lesson by interpreting their answers within context.
Curated OER
Trigonometric Identities
In this trigonometric worksheet, students solve problems using the 6 trigonometric ratios. They solve problems using the properties of a right triangle. There are 11 questions with an answer key.
New York State Education Department
Regents High School Exam: Geometry:
For this geometry worksheet, 10th graders review geometric concepts such as angles, polygons, quadrilaterals, trigonometry, and circles. They take a comprehensive exam covering topics on the Regents exam. There are 32 pages in this booklet.
Curated OER
The Isosceles Triangle Problem
In this geometry worksheet, 10th graders solve a problem involving an isosceles triangle. The problem appears to be deceptively easy, but instead requires the use of trigonometry to arrive at a correct solution. The one page...
Curated OER
The BUDGET Truck Problem
In this secondary mathematics worksheet, learners solve a problem which involves how far behind a rental truck must the driver of a car be so that he can see a stoplight from behind the truck. The problem can be solved with similar...
Curated OER
Investigating Transformations
In this trigonometry learning exercise, students investigate the transformations that can occur to the basic trigonometric functions. The thirteen page learning exercise contains explanation, examples, and...
Curated OER
The Sine and Cosine Ratios
For this geometry worksheet, 10th graders write the ratio that represents the sine and cosine of the indicated angle. The one page worksheet contains two multiple choice questions. Answers are included.
Curated OER
Review of Trig Ratios
In this trigonometric ratios worksheet, learners solve and complete 10 various types of problems. First, they write the degrees listed in radian measure. Then, students find the exact ratios for each equation. They also find the value of...
Curated OER
Trigonometric Functions
In this trigonometric functions worksheet, students solve and complete 35 various type of problems. First, they find the values for all six trig functions that pass through the given points. Then, students prove different identities as...
Curated OER
6.5 Skill Builder: Trigonometric Identities
In this trigonometric identities worksheet, students solve 16 multi-part short answer problems. Students use the quotient identity and Pythagorean identity to simplify trigonometric expressions. Students factor trigonometric expressions.
Curated OER
Exercise Set 5.1: Trigonometric Functions of Real Numbers
In this trig functions worksheet, students find the trig values of 46 problems. Students find the trig values of various radian measures. Students use trig properties to prove trig identities.
Curated OER
Magic Square Trig Identities
In this trig activity, 12th graders review their trig identities using a table. They answer questions 1-16 as given clues to find the answer to the correct identity.
Curated OER
Law of Sines or Sine Rule
In this online math worksheet, students construct triangles and squares by utilizing the sine rule. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific...
Curated OER
Triangle Exercises
In this math instructional activity, students determine the name for each triangle according to its classification. Then they create a truss construction model.
Curated OER
Degrees Of A Circle Exercises
In this math activity, students examine the fractional parts in order to determine the degree equivalent within a circle. Then they do the same using drawn circles.
Illustrative Mathematics
Converse of the Pythagorean Theorem
Use the given tasks and detailed teacher's commentary to introduce your 8th graders to the Pythagorean theorem and its converse. Embedded links to information about Egyptian geometry make your presentation interesting. Consider...
Curated OER
The Pythagorean Theorem
For this geometry worksheet, students solve missing parts of a triangle using the Pythagorean Theorem. There are 19 questions with an answer key.