Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gpe Scaling a Triangle in the Coordinate Plane

For Teachers 9th - 10th Standards
The goal of this task is to apply dilations to a triangle in the coordinate plane. Young scholars will need to find the coordinates of a point which cuts a given segment into one third and into two thirds. The two dilated triangles share...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gpe Squares on a Coordinate Grid

For Teachers 9th - 10th Standards
The purpose of this task is to use the Pythagorean Theorem and knowledge about quadrilaterals in order to construct squares of different sizes on a coordinate grid. Aligns with G-GPE.B.7.
Unit Plan
CK-12 Foundation

Ck 12: Plot Polar Coordinates

For Students 11th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Here you will learn how to convert and graph complex numbers in trigonometric or polar form using the polar coordinate system, which is similar in some ways to (x,...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gpe Parallel Lines in the Coordinate Plane

For Teachers 9th - 10th Standards
The goal of this task is to prove the slope criterion for parallel lines. Aligns with HSG-GPE.B.5.
Handout
Johan Claeys

Math Abundance: Polar Coordinates of a Point P

For Students 9th - 10th Standards
Defines a polar coordinate, pole, and polar axis. Includes graph.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Do Two Points Always Determine a Linear Function?

For Teachers 9th - 10th
For this task, young scholars explore linear functions and whether they can always be determined by two points on the coordinate grid. It focuses on producing an explicit function f(x) in the case where the line is not vertical. Aligns...
Unit Plan
Khan Academy

Khan Academy: Equations & Inequalities Word Problems

For Students 9th - 10th Standards
HSA-CED.A.1: Interactive resource which create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions....
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Tf Trig Functions and the Unit Circle

For Teachers 9th - 10th Standards
The purpose of this task is to help students make the connection between the graphs of sin t and cos t and the x and y coordinates of points moving around the unit circle. Students have to match coordinates of points on the graph with...
Unit Plan
Vision Learning

Visionlearning: Linear Equations in Science: Relationships With Two Variables

For Students 9th - 10th Standards
An introduction to the history of linear equations and how they relate to science.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Tf, G Co, Trigonometric Identities and Rigid Motions

For Teachers 9th - 10th Standards
The purpose of this task is to apply translations and reflections to the graphs of the functions f(x)=cos x and g(x)=sin x in order to derive some trigonometric identities. There are also rotations 180 degrees about points on the x-axis...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Tf Properties of Trigonometric Functions

For Teachers 9th - 10th Standards
The goal of this task is to use the unit circle and rigid transformations in order to establish some fundamental trigonometric function identities. Aligns with F-TF.A.2 and F-TF.A.4.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei Two Squares Are Equal

For Teachers 9th - 10th Standards
This task asks learners to solve a quadratic equation in as many different ways as they can. Aligns with A-REI.B.4 and A-REI.D.11.