Curated OER
Amazing Consistent Ratios
Students derive the six trigonometric identities. In this trigonometry lesson, students find the ratios of sine, cosine and tangent using the right triangle. They use properties of the Pythagorean Theorem to find the trig identities.
Curated OER
Sinusoidal modelling of Canad'a youth cohorts
Students explore the general form of the sine equation. In this trigonometry instructional activity, students explore the relationship between the changing parameters and the graph of the sine equation. Students use data and a...
Curated OER
Quadratics: Polynomial Form
Students determine how changes in the coefficients in a quadratic function affect its graph. They Solve a quadratic equations. Students Determine how to use the equation to determine the intercepts of a quadratic function. They...
Curated OER
Quadratics: Polynomial Form
Students determine how changes in the coefficients in a quadratic function affect its graph. They determine how to use the equation to determine the intercepts of a quadratic function. Students identify the location of the intercepts...
Curated OER
X Marks the Spot
Fourth graders use games and puzzles to explore co-ordinate systems and their uses. Students are given the opportunity to invent their own systems by locating counters on a sheet of paper and by finding the dead center of a set of objects.
Curated OER
Worksheet 28 - Spring 1996
In this math instructional activity, students examine the graph in polar coordinates of r = f(θ). Then they sketch a graph of the modified functions indicated.
Pennsylvania Department of Education
Classifying Figures on the Coordinate Plane
Fifth graders use estimation to solve word problems. For this fractions lesson, 5th graders decide whether or not an answer to a work problem is reasonable by applying their knowledge of fractions, decimals and estimation. This lesson...
Pennsylvania Department of Education
Introducing the Coordinate Plane
Fifth graders practice using estimation. In this estimation lesson, 5th graders add, subtract, multiple, and divide using whole numbers, fractions, and decimals. Students decide upon instances when estimation is more appropriate than...
Curated OER
Motion Capture and Analysis
Pupils capture the serve motion of a tennis player with a digital or video camera. Using transparencies or a software package, analyze the speed, acceleration, displacement and time of the racquet head and ball in the tennis stroke.