Curated OER
Angles
Fourth and fifth graders investigate angles and name them according to the criteria for obtuse, acute, and right angles. They examine a human-made yarn pattern on the floor of their classroom and identify angles, vertices, and types of...
Curated OER
Triangle's Interior Angles
Given a pair of parallel lines and a triangle in between, geometers prove that the sum of the interior angles is 180 degrees. This quick quest can be used as a pop quiz or exit ticket for your geometry class.
K-5 Math Teaching Resources
Angles Template
Young mathematicians learn to see geometry from different angles with this simple printable resource. Providing multiple visual examples of angles, this simple document can be used as an instructional tool, a skills practice...
Curated OER
4th Grade Math Geometry Practice
In this 4th grade geometry worksheet, learners complete a set of 20 questions related to grade 4 geometry concepts. An answer key is included.
Curated OER
Measuring Using Leaves
Students explore geometry by using non-standard measuring methods. For this length estimation lesson, students complete a worksheet in which different objects in their classroom are measured by three different sized leaves. Students draw...
Curated OER
Whatcha Gunna Do When the Hulkster's Measuring Too??
Students measure using tools they have made. In this algebra instructional activity, students measure the height and distance using non-traditional measuring methods. They apply their findings to algebra and trigonometry properties of...
Curated OER
Geometry Assessment-"Chapter 2"
In this geometry worksheet, students match terms with definitions, and complete short answer questions about polygons and congruency.
Curated OER
What is my Angle? App
Learners estimate angle measures in this this estimating angle measures lesson. They use an application on their graphing calculator that shows various settings involving angles and then they estimate the angle measure of a clock's...
Curated OER
Interior/Exterior Polygon Angles and Tessellations
Students discover the sum of the interior and exterior angles of several polygons. For this Geometers sketchpad lesson, students work in groups to find the stated measurements of triangles, quadrilaterals, pentagons and hexagons....
Curated OER
Symmetry in Paper Airplanes
Students explore symmetry. In this geometry and scientific inquiry lesson plan, students design paper airplanes with middle line symmetry, as well as right, obtuse, and acute angles. Students measure the plane's angles using...
Curated OER
Angles in Polygons
In this angles in polygons worksheet, students determine the value of a missing angle measure. They find the value of interior angles and exterior angles. Polygons include triangles, quadrilaterals, pentagons, and hexagons. This...
Curated OER
Size Riddles
Students investigate shapes and sizes by creating a riddle. In this geometry lesson, students read one of two books and investigate facts about an object's size. Students write a riddle using the facts they have read and cut...
Curated OER
Area Unit
Learners solve the area for parallelograms,squares, rectangles, trapezoids, and triangles. In this geometry lesson, students compare and contrast two dimensional shapes and apply their properties to solving real life scenarios. This is a...
Curated OER
An Introduction to Angles
Students identify and create angles. In this angle measurement lesson, students use sticks to make models of angles, then measure and name each angle.
Curated OER
Shapes and Designs Investigation
Sixth graders estimate angle measures and angle theroms. In this online interactive geometry lesson, 6th graders review types of angles, investigate angle theroms, and explore nonadjacent angles.
Curated OER
Ratio Measures
In this ratio measures activity, 10th graders solve and complete 8 different types of problems. First, they find the largest angle of a hexagon. Then, students solve the proportions shown. They also name the similar figures by filling in...
EngageNY
Writing and Solving Linear Equations
Incorporate geometry into the solving linear equations instructional activity. Pupils use their knowledge of geometry to write linear equations which reinforces geometry measurement concepts while at the same time providing a...
EngageNY
End-of-Module Assessment Task - Geometry (module 2)
Increase the level of assessment rigor with the test of performance tasks. Topics include similar triangles, trigonometric ratios, Law of Sines, Law of Cosines, and trigonometric problem solving.
Curated OER
Geometry Worksheet: Angle (3)
In this angle measurement instructional activity, students find the degrees of angle x when given the number of degrees in each of the other four points of a star (pentagram).
Curated OER
Stadiums in America
Let's play ball! A great springtime activity to learn about ratios. This activity challenges learners to draw stadiums to scale on standard letter paper and also on construction paper. This three-day lesson includes a pre-assessment...
EngageNY
Geometry Module 5: Mid-Module Assessment
How can you formally assess understanding of circle concepts? Pupils take a mid-module assessment containing five questions, each with multiple parts.
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.
Curated OER
Math 5C Jeopardy
Review general math skills before that quiz! 25 questions in five categories - number sense, computation, geometry and measurement, algebraic thinking, statistics and probability. Tip: have each student use a white board to...
Differentiation Central
Perimeter and Area
Leave no student behind with this differentiated geometry unit on perimeter and area. Over the course of five lessons, young mathematicians explore these foundational concepts through a series of self-selected hands-on activities and...
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