EngageNY
Analytic Proofs of Theorems Previously Proved by Synthetic Means
Prove theorems through an analysis. Learners find the midpoint of each side of a triangle, draw the medians, and find the centroid. They then examine the location of the centroid on each median discovering there is a 1:2 relationship....
EngageNY
How Do Dilations Map Segments?
Do you view proofs as an essential geometric skill? The resource builds on an understanding of dilations by proving the Dilation Theorem of Segments. Pupils learn to question and verify rather than make assumptions.
EngageNY
Writing the Equation for a Circle
Circles aren't functions, so how is it possible to write the equation for a circle? Pupils first develop the equation of a circle through application of the Pythagorean Theorem. The lesson plan then provides an exercise set for learners...
Virginia Department of Education
How Much is that Tune?
Tune in for savings! Scholars investigate pricing schemes for two different online music download sites. After comparing the two, they determine the numbers of songs for which each site would be cheaper.
Missouri Department of Elementary
My Conflict Shield
As an exercise in self-awareness and improvement, class members create a Conflict Shield listing 12 skills they believe are the most useful in conflict resolution. They then color the ones they have mastered while leaving uncolored those...
Curated OER
Chart the Stars
Seventh graders find constellation distances and plot the stars. In this star lesson, 7th graders plot the star points for Canis Major. Students use graphing calculators to graph the constellation. Students choose another constellation...
Curated OER
Relating Distance and Velocity Over Time
Students calculate the distance and velocity over time. In this algebra lesson, students graph a linear function to represent the distance vers time travel. They interpret their graphs and draw conclusion.
Curated OER
High School Mathematics Problems from Alaska: Jesse Thomas Moose Hide Problem
Students solve problems about a student earning money for college by tanning moose hides.
Curated OER
Algebra 1, Unit 7, Lesson 8: Practice Finding the Equation of a Line
Young scholars solve systems of linear equations by graphing. The introduction of the instructional activity asks students to work in pairs or small groups to graph a line when given two points. Young scholars graph 14 equations on the...
Curated OER
Science: Hurricanes As Heat Engines
Learners conduct Internet research to track the path of Hurricane Rita. They record the sea surface temperature of the Gulf of Mexico during and after the hurricane and draw conclusions about how hurricanes extract heat energy from the...
Curated OER
Elimination with Multiplication
Learners solve equations using linear combination. In this algebra instructional activity, students solve a system by checking if a given pair of coordinates are solution to the system. They solve the system using elimination, and...
Curated OER
The Muckrakers Interdisciplinary Unit
Eighth graders complete an Interdisciplinary Unit on the Muckrakers and the Progressive Movement. Students describe life in America and how Progressive Reformers changed it. identify specific problems and propose solutions. Students...
Curated OER
Relations and Functions
Students differentiate between a relation and a function. In this algebra lesson, students identify a pair of coordinates as being a relation or a function. They analyze graphs for function as they solve word problems.
Curated OER
Writing Equations from a Table
Students use coordinates in a table to write equations. In this algebra lesson, students discuss rate of change as it relates to slope and x and y values. They plot the points from a table to graph their lines and write an equation for...
Curated OER
Writing Equations from a Table
Learners graph and evaluate equations. In this algebra lesson, students are given pairs of coordinates and asked to write an equation representing the values. They are also given values to plug in to their equations and evaluate.
Curated OER
Using Tables to Solve Linear Functions
Oh that intercept! Budding algebra masters solve linear equations from standard to intercept form. They identify the slope and y-intercept to help graph the lines, an then create coordinate pairs using a table of values. Great TI tips...
Curated OER
Points on a Line
How do you find slope? You use points on a line of course. slope. Teach your class how to calculate and differentiate between horizontal and vertical lines. They are sure to be pros at graphing lines on a coordinate plane by the end of...
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
ABC's Transformer
Fourth graders design their own letter graph, and then produce the resulting graphs after a translation, reflection, and rotation. After a review of vocabulary, 4th graders create their graphs using crayons.
Curated OER
Point-Slope Form
Ninth graders explore the point-slope form of linear equations and graph lines in the point-slope form. After completing the point-slope equation, they identify the slope of a line through a particular point. Students explain the...
Curated OER
Race The Rapper: Slopes
Students calculate the slope of the equation In this algebra lesson plan, students graph coordinate pairs of linear equations and identify the relationship between x and y values and slope. They differentiate between functions and...
Curated OER
Rocketsmania And Slope
Students use a professional basketball team's data and graph it on a coordinate plane. They draw a line of regression and finding its equation. They access a website containing statistics for the Houston Rockets basketball team to solve...
Curated OER
How are we Related?
Students differentiate functions based on their domain and range. In this algebra lesson, students define function, domain, range and relation. They analyze graphs and coordinate pairs for input and output values making up a function.
Curated OER
Where am I Located
Learners calculate and find a certain location. In this geometry lesson plan, students examine a coordinate plane for pair of coordinates. They calculate the distance between point using the distance formula and estimation.
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