Schoolcraft College
Trigonometry
This trigonometry textbook takes the learner from a basic understanding of angles and triangles through the use of polar coordinates on the complex plane. Written by a mathematician-engineer, examples and problems here are used to...
Curated OER
Math Games for Skills and Concepts
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
EduGAINs
Discovery of Pi
Serve up a slice of math for Pi Day! A combination of fun, hands-on lessons and helpful worksheets encourage learners to practice finding the radius, diameter, and circumference of different circles.
Inside Mathematics
Quadrilaterals
What figure is formed by connecting the midpoints of the sides of a quadrilateral? The geometry assessment task has class members work through the process of determining the figure inscribed in a quadrilateral. Pupils use geometric...
Virginia Department of Education
Properties of Quadrilaterals
What type of quadrilateral is that? Discover the difference between the types of quadrilaterals. Small groups investigate types of quadrilaterals using geometry software to find their properties. To keep track of the different...
Project Maths
Planes and Points
Build a solid foundation on which to develop future concepts. Through a guided exploration, learners compare and contrast the characteristics of points, lines, planes, rays, and segments. They measure lengths and practice notation for...
CCSS Math Activities
Smarter Balanced Sample Items: 8th Grade Math – Target G
Transform the thinking of transformations with six sample items that illustrate the first four standards in the eighth grade geometry domain. Items use the coordinate plane to transform figures and analyze the relationship of the figures...
Curated OER
Geometry
In this geometry worksheet, students utilize mathematical strategies to figure out which of four lines are vertical, horizontal and/or parallel.
Curated OER
Geometry - Congruent Figures
In this geometry worksheet, students see two congruent figures. They match the corresponding parts by writing their labels in the 3 boxes at the bottom of the page.
Curated OER
Duplicating Segments and Angles
Tenth graders investigate geometric construction. For this geometry lesson, 10th graders explore the procedure for copying an angle and a segment. The lesson emphasizes the difference between a sketch, a drawing, and a...
Curated OER
Applications of Properties of Quadrilaterals in the Coordinate Plane
Students explore the concept of quadrilaterals. For this quadrilaterals lesson, students use the slope formula, midpoint formula, and distance formula to justify that a given quadrilateral is a parallelogram.
Curated OER
Geo Jammin' By DeSign - Day 1, Lesson 2: Dancing Duo
Second graders and teachers identify geometric vocabulary word by searching a geometry website. They create a Quilt Word Wall using the geometry words.
Curated OER
Perimeter – Calculate in Units
In this geometry skills practice worksheet, students solve 4 problems that require them calculate the perimeter of 4 geometric figures.
Curated OER
Geometric Shapes at the OK Corral
Students explore geometry by utilizing computer software. In this shape identification lesson, students define several geometric shapes by the characteristics that classify them. Students draw and cut out geometric shapes using their...
Curated OER
Triangles Introduction
Students explore geometry by drawing various shapes in class. In this triangle characteristics lesson, students identify the attributes that classify a shape as a triangle and practice using their bodies to create triangles in class....
Curated OER
It's a Ball, It's a Sphere ... No, It's a Dodecahedron
Third graders construct a dodecahedron that displays facts about two and three-dimensional figures. They use a pattern to construct a dodecahedron after writing facts about geometry onto each of the figure's twelve faces.
Curated OER
Plotting Coordinates
In this geometry skills instructional activity, students plot the listed coordinates on the provided graphs in order to identify the appropriate shapes.
Curated OER
Area – Parallelograms and Trapezoids
In this geometry skills worksheet, students solve 4 problems that require them to calculate the area of parallelograms and trapezoids.
Curated OER
Parts of the Circle
For this geometry skills worksheet, learners respond to 3 questions that require them to examine the part of circles and identify them as diameters, chords, radii, or centers.
Curated OER
Parts of the Circle
In this geometry skills learning exercise, students examine 3 labeled circles and identify the noted items as diameters, chords, radii, or centers.
Curated OER
Match the Shape
In this geometry skills practice worksheet, students respond to 4 questions that require them to match everyday items as the geometric shapes they represent.
Curated OER
Regular or Irregular Polygons
In this geometry skills instructional activity, learners respond to 6 questions that require determine whether 6 geometric shapes are regular or irregular polygons.
Curated OER
Side Lengths of Similar Shapes
In this geometry skills worksheet, students examine 4 pairs of similar shapes and use their problem solving skills and the information provided to calculate the length of segments.
Curated OER
Calculate the Area of Compound Figures
In this geometry skills worksheet, students respond to 4 questions that require them to calculate the area of compound figures.
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