Curated OER
Scale factors: Ratios and Proportions
Learners create building and models using scale factors. In this geometry activity, students apply the properties of ratio and proportion to solve problems. They identify the means and extremes property of cross multiplication.
Curated OER
Mathematics in Robotics
Students build and create using math. In this geometry lesson, students differentiate between congruent and similarity as they observe polygons. They create robots with different functions using properties of geometry.
Curated OER
Discovering Density
Students explore the physical properties of density. In this hands-on lesson, students calculate density and distinguish between intensive and extensive properties.
Curated OER
Let's Find Out About Money
First graders identify coins (pennies, nickels, dimes and quarters), and their attributes, including physical characteristics and value.
Curated OER
Solve algebraic proportions.
Students solve algebraic proportions. In this algebra lesson plan, students convert between fractions, percents and decimals. They solve problems using the distributive property.
Curated OER
Compass Designs
Students investigate the properties of two and three dimensional objects. In this geometry instructional activity, students differentiate polygons based on similarity and congruence. They make observation and interpret the data.
Curated OER
Make a Box
Young scholars use specific dimensions to create a box. In this geometry instructional activity, students analyze the different properties of two and three dimensional shapes. They make conjectures and use it to solve problems.
Curated OER
Triangles in Architecture
Students find triangles in the real world. In this geometry instructional activity, students analyze and identify properties of two and three-dimensional objects. They differentiate between similarity and congruence.
Curated OER
Multi-Digit Multiplication
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
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Do it With Dominoes
Students explore modes for addition. In this K-2 mathematics lesson, students investigate the four models of addition (counting, sets, number line, and balanced equations) using dominoes. Students examine the relationship...
Curated OER
Geometric Lines: Parallel / Transversal / Perpendicular
Students in grade 7 and 8 work on outcomes related to spatial sense and geometric concepts, properties, and relationships. The lesson integrates technology and helps students be exposed to multimedia.
Curated OER
Are you in Golden Shape
Students solve and verify the solution for unknown measures. In this geometry lesson, students identify the properties of circles. They use the arc, angle and segment relationship to find the missing measures.
Curated OER
Parallel-o-Home
Students investigate the usage of parallel and perpendicular shapes in the real world. In this geometry lesson, students investigate shapes for properties that are related to the real world. They relate all the properties of shape tot he...
Curated OER
Periodic Table of Elements
Students use reference skills to locate information about the periodic table.
They identify elements by name, atomic number, atomic mass, symbol and properties. Students use mathematical processes to find the number of protons,electrons...
Curated OER
Ship Shape
Second graders explore shapes. After reading books about shapes, 2nd graders describe the properties of various shapes. They identify shapes if they have been rotated, flipped, or slid. Students create shapes using drawings and geoboards.
Curated OER
Half Angle
Learners calculate the solution using half angles formulas. In this calculus lesson plan, students identify the different properties of a triangle using trigonometric properties. They identify the mean, altitude and angles of a triangle.
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Light Bounce
Students solve problems involving triangles. In this geometry lesson, students apply properties of triangles to find the missing angles and sides. They identify angles of parallel lines cut by a transversal.
Curated OER
Diagonals to Quadrilaterals II
Students identify the properties of different polygons. In this geometry lesson, students find the slope of a line and calculate the distance between two lines. They differentiate between similar and congruent polygons.
Curated OER
Mirror Tool
Students define properties of polygons. In this geometry lesson, students differentiate between similar and congruent polygons. They identify and use the properties of solids to solve problems.
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CSI Investigation of Congruence and Similarity
Students differentiate between similarity and congruence using polygons. In this geometry lesson, students label triangles based on their properties. They find missing sides and angles using the interior sum theorem.
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Combining Foods
Learners explore addition. In this math lesson, students discover how addition and subtraction are related. Learners model related addition and subtraction facts.
Pennsylvania Department of Education
Practice Makes Perfect
Students study fact families. In this math lesson, students use fact families to play a game of concentration. Students identify subtraction facts they need to learn.
Curated OER
Egyptian Fractions
Sixth graders take a brief look at what is known about Egyptian Fractions. These are unit fractions - fractions whose numerator is one. We look at how fractions can be represented in terms of Egyptian Fractions. Finally we suggest a web...
Curated OER
This Building is Tall
Students calculate the perimeter of shapes. In this geometry lesson, students relate properties of polygons to the real world. They find length, midpoint and slope.