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Lesson Plan
EngageNY

Lines That Pass Through Regions

For Students 9th - 12th Standards
Good things happen when algebra and geometry get together! Continue the exploration of coordinate geometry in the third lesson in the series. Pupils explore linear equations and describe the points of intersection with a given polygon as...
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Lesson Plan
Curated OER

Area of Tangram Pieces

For Teachers 3rd - 4th
Mathematicians calculate the area of a tangram piece without using formulas. They use a geometry journal to record activities during this lesson. They make a set of tangrams and use them to compute area. They use what they discover to...
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Lesson Plan
EngageNY

Special Triangles and the Unit Circle

For Teachers 11th - 12th Standards
Calculate exact trigonometric values using the angles of special right triangles. Beginning with a review of the unit circle and trigonometric functions, class members use their knowledge of special right triangles to find the value of...
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Lesson Plan
Curated OER

Tiling the Classroom

For Teachers 5th - 7th
Students see how to identify regular polygons, how to slide, turn and flip polygons, and why certain polygons tessellate better than others. Groups create a one foot square design to be used to tile the classroom. Great lesson!
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Lesson Plan
West Contra Costa Unified School District

Sneaking Up on Slope

For Teachers 8th - 10th Standards
Pupils determine the pattern in collinear points in order to determine the next point in a sequence. Using the definition of slope, they practice using the slope formula, and finish the activity with three different ways to determine the...
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Lesson Plan
Curated OER

Graphing Systems of Inequalities

For Teachers 9th - 12th
Solve equations and graph systems of inequalities. Designed as a instructional activity to reinforce these concepts, learners revisit shading and boundaries along with solving linear inequalities.
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Lesson Plan
EngageNY

Dividing Segments Proportionately

For Students 9th - 12th Standards
Fractions, ratios, and proportions: what do they have to do with segments? Scholars discover the midpoint formula through coordinate geometry. Next, they expand on the formula to apply it to dividing the segment into different ratios and...
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Lesson Plan
Alabama Learning Exchange

Bloodstain Pattern Doesn't Lie......

For Teachers 9th - Higher Ed Standards
An interesting instructional activity on hypothesizing about the diameter of a drop of blood that is splattered. To test their theories, learners work in groups to make blood droplets splatter from different heights. They use graphed...
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Lesson Plan
Curated OER

Slope-Intercept Form of a Line

For Teachers 6th - 8th
Using the subscriber website Explorelearning.com, young mathematicians observe changes in the slope and y-intercept and their effect on the graph of lines. This activity helps students develop an intuitive sense of the connection between...
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Lesson Plan
Curated OER

Chopping Cubes

For Teachers 6th - 8th Standards
Middle schoolers work in small groups to make various geometric solids with Play-Doh. They use fishing line to make cuts and observe the shapes of the cross-sections. Pupils complete an assessment in which they answer questions such as:...
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Lesson Plan
Curated OER

Supplementary, Complementary, and Vertical Angles

For Teachers 4th - 6th Standards
By using circles that they cut out and label themselves, learners literally "get a grip" on the angles they identify: supplementary, complementary, and vertical. They solve missing measurements based on properties of supplementary,...
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Lesson Plan
Curated OER

Exploring Area/Perimeter Through Coordinate Geometry

For Teachers 3rd - 4th
Students explore area and perimeter through coordinate geometry using student literature, hands-on manipulatives, and the Internet.
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Lesson Plan
Curated OER

Geometric Transformations

For Teachers 5th - 7th
Young scholars solve problems involving transformations of geometric figures. They review graphing points in the coordinate plain, plot points and connect to create a triangle. Then, they reflect triangles over the x and y axis and use...
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Lesson Plan
Pennsylvania Department of Education

Tetrominoes and Translations

For Teachers 7th - 9th
Students explore geometry by participating in a pattern identification activity. In this tetrominoes lesson, students define the characteristics of congruent and symmetrical shapes. Students practice translating shapes across quadrants...
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Lesson Plan
Curated OER

Distance Formula

For Teachers 9th - 10th
Students create ways to find the number of square miles that lie in a triangle having vertices at A, B, and C. They compute the distance between two points and use Heron's formula to find the area of the triangle. Finally, students...
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Worksheet
Curated OER

High School Examination: Mathematics B

For Students 12th
In this high school examination learning exercise, 12th graders solve problems dealing with parabolas, coordinates, probability, dialations, intervals, and trignomeric ratios.  This learning exercise is designed as a end of course...
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Worksheet
Curated OER

Chapter 3 - Worksheet 3D

For Students 11th - 12th
In this pre-calculus worksheet 3D, students determine if a function is even or odd. They sketch graphs of functions and find the inverse of functions. This two-page worksheet contains 18 problems.
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Worksheet
Curated OER

Grids and Coordinates

For Students 4th - 6th
In this grids learning exercise, students learn about grids, or coordinate plants, axes, coordinates, plotting and ordered pairs. They then complete the 5 questions using what they learned. The answers are on the last page.
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Worksheet
Curated OER

Maximum and Minimum Points

For Students 11th - 12th
In this maximum and minimum points worksheet, students solve and complete 12 various types of problems. First, they find the area of the smallest triangle given the point of intersection. Then, students find the volume of a box that has...
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Lesson Plan
Curated OER

Snowfall Statistics for Snowboarding

For Teachers 6th - 8th
Students use the Internet to collect the current daily snowfall amounts and also to find the price of a lift ticket for snowboarding at different ski resorts in the United States.
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Lesson Plan
Curated OER

INTERPRETING MAGNETIC FIELD MAPS

For Teachers 9th - 12th
Students interpret magnetic field maps, rotate the coordinates to obtain different views, change the coordinate representation, and produce alternate graphical representations.
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Lesson Plan
Curated OER

Mapping with a Compass: A Simulated Survey

For Teachers 4th
Students use compasses and grids to map the locations of artifacts found in a simulated dig site. In groups, they role-play as future archeologists excavating a school site. Groups begin at their assigned datum and site the artifacts...
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Lesson Plan
Curated OER

Algebra 2 - Linear Programming

For Teachers 10th - 11th
Students read real world problems, determine the variables, and set up the function using algebraic statements. After entering data into the graphing calculator, they display information in the form of graphs and scatter plots. ...
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Lesson Plan
Curated OER

College Prep Algebra, Worksheet Chapter 3, 2.5, 2.7, 3.1- 3.4

For Teachers 9th - 10th
In this algebra worksheet, students translate 39 word problems into algebraic terms and solve them. They complete 42 problems about coordinate graphing, working with ordered pairs, slop, and equations of lines.. They make 2 scatter grams...