Curated OER
The Five Number Game
Students explain what it means to square numbers. They explain what it means to cube numbers. Students define prime numbers using their own language. They are introduced to the problem by playing one game as a class.
Curated OER
I. M. Pei and the Geometry of the NGA
Students compare design elements in neoclassical and modern architecture. They review knowledge of triangles and quadrilaterals and design a geometric pattern using Pei's polygons They create a city plan using a variety of lines and...
Curated OER
Perimeter of Rectangles
Finding the perimeter of a rectangle is easy, and this presentation gives the formula that makes it so. In this short PowerPoint, learners find the perimeter of a given rectangle, after being coached on how to calculate the measurement....
Curated OER
Triangles
Students identify triangles in the real world and construct their own triangle using drinking straws. They explore abstract triangles and find additional geometric shapes such as trapezoids. Students discuss similar shapes and examine...
Curated OER
Recognize and Draw Shapes Word Problems
It's time for a geometry warm up! Geometry scholars examine a figure to determine its name from a list of four choices. The figure, a trapezoid, is large enough for the whole class to see if you were to project this. An explanation at...
Curated OER
Making Two-Dimensional Shapes
Use this introductory geometry worksheet as a projected warm-up for your class, doing it together and then revealing the explanation on the bottom half. Learners examine a square and a circle, each bisected by a dotted line. They must...
Curated OER
Quadrilateral Investigation
A good classroom tool is always great to have around. This tool provides learners with an opportunity to view and investigate the properties of quadrilaterals. Each slide contains images of a square as it is dissected into various...
Curated OER
Area and Perimeter of Rectangles
Discover the difference between area and perimeter. Learners are grouped in twos and threes and each group has one advanced/gifted learner to serve as the peer helper. They receive manipulatives to help them determine the area and...
Curated OER
Geometric Shapes
In this geometry and shapes worksheet, 5th graders practice calculating the shaded area of 2 objects. Students count the squares on 2 grids to find the volume of each object in cube units.
Curated OER
Magician Squares
Elementary school learners investigate the attributes of a square. They discover that squares are polygons and examine squares found in everyday life. They concentrate on connecting the word, square, with the shape. As an...
Curated OER
Number & Operations
In this number and operations worksheet, students solve and complete 3 different sections of one problem that uses the Pythagorean theorem to solve. They use the model illustrated to determine the meaning of the Pythagorean theorem....
Curated OER
Does the Area of the Quadrilateral Change?
Students study area and quadrilaterals. In this multiplication and area lesson, students use Polystrip models to change rectangles to form different parallelograms. Students find the area of the models use a Geometer Sketchpad to find...
Curated OER
Geometry: Shapes
Use this resource as a way to kick off a lesson on geometric shapes. A hexagon, pentagon, and rectangle are hidden in each slide. Learners have to identify the shapes.
Curated OER
Best lesson in the whole world!
Students study the concept of fraction using mathematical reasoning. In this problem solving fraction instructional activity, students use various methods to explain their reasoning in solving fractions. Students use a number of...
Curated OER
Area and dimensions
Sixth graders study the concepts of area and dimensions. In this area and dimensions lesson, 6th graders work in pairs to complete the handout included that illustrates ways to represent various numbers. Students also determine what...
Curated OER
Quadrilateral Properties
In this online math worksheet, learners answer "true" or "false" to a variety of statements regarding the properties of quadrilaterals. This excellent resource allows the students to check their answers, and to get "hints" should they...
Curated OER
Angles in a Quadrilateral
In this online math worksheet, learners determine the values of angles within a quadrillateral. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching...
Curated OER
Rectangle & Square Problems - Length, Width, Perimeter and Area
In this online math activity, students determine the length and width of given rectangles given their area. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Curated OER
Trapezoid Problems - base1, base2, height and area
In this online math worksheet, students must find the missing measurement in a variety of trapezoids. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific...
Curated OER
Finding Area and Perimeter of Rectangles and Squares Given Vertices
In this area and perimeter worksheet, students find area and perimeter of rectangle and squares given the coordinates of the vertices. Grids are provided for these six problems.
Curated OER
Family Activity: Triangles and Quadrilaterals
In this triangles and quadrilaterals worksheet, students solve 7 short answer problems. Students find objects around the house that are constructed from triangles, parallelograms, trapezoids, squares, rectangles. Students sketch the...
Curated OER
Perimeter of Triangles and Rectangles
Fifth graders study perimeter. For this math lesson, 5th graders use Cheerios to find the perimeter of various polygons. Students discuss how to figure the perimeter of triangles, squares and rectangles.
Curated OER
Properties of a Quadrilateral
In this geometry activity, 10th graders use coordinate geometry to examine the lengths, slopes, and midpoints of the diagonals of the different quadrilaterals in order to arrive at conclusions regarding the properties of the diagonals....
Curated OER
Classifying Polygons
Students study polygons. In this math lesson plan, students play a game in which they learn the classification system for polygons. Students identify the properties of quadrilaterals.