Curated OER
The Difference of 2 Squares
Learners factor a difference of two squares. In this factoring a difference of two squares lesson, students use manipulates cut from a piece of paper to illustrate the difference of two squares. Learners illustrate the...
Curated OER
Spaghetti Graphs
Students work in pairs to test the strength of spaghetti strands. They collect and graph data to determine a line of best fit. Students create a linear equation to interpret their data. Based on the data collected, students predict...
Curated OER
When A Line Meets Itself
Students investigate the linear characteristics of cultural art. In this art analysis lesson, students discover the Pre-Columbian Chimu culture and the many masks they created. Students identify the different shapes and lines...
Curated OER
Analyzing 3-D Shapes and 2-D Representations
Students can analyze 3-D objects better with actual physical models and by also drawing 2-D representations of them.
Curated OER
Building Shapes From Numbers
Learners experience how to illustrate some of the many connections between number and geometry. Through this 2-3 day focus on square numbers and triangular numbers, students make connections among mathematical topics.
Curated OER
Build a Weather Vane
Third graders measure wind direction. In this weather lesson plan, 3rd graders build a weather vane from a straw, skewer, spool, and flag. Students measure wind direction using their weather vane.
Curated OER
How many edges do I need to cut in order to open a cube?
Students problem solve to open a cube to create different shapes. In this problem solving lesson plan, students are given a cube and the shapes to open it up to, and they have to cut the cube open to make certain shapes. This gives them...
Curated OER
The Spider's Life Cycle
Students see that spiders have a life cycle, and reproduce by laying many eggs. We can count by ones, twos, fives, or as many as we want. They make two lists of animals on a chart.
Curated OER
Shaping Up with Nature at Black Bayou Lake
Students visit a local lake refuge and identify shapes they find in nature. They take pictures of the various shapes and use KidPix to draw shapes around the shapes in the pictures. They watch a slideshow of all the shapes found by their...
Curated OER
Quadrilateral Explorations
Ninth graders identify quadrilaterals and label the vertices of quadrilaterals. they justify their identification of the quadrilaterals. Students work in groups to identify and create quadrilaterals
Curated OER
Around The Stop Sign
Students analyze a drawing of a regular octagon inscribed in a circle to determine angle measures, using knowledge of properties of regular polygons and the sums of angles in various polygons to help solve the problem. They use...
Curated OER
Volume and Surface Area: Which Is More?
Students explore the volume and surface area of three dimensional figures. Through the use of video, students discover three dimensional shapes, their uses in real-life applications, and methods used to calculate their volume and surface...
Curated OER
Midpoint of a Segment
Learners revisit midpoint and segments by graphing on the TI or computer. This activity can be done with pencil and paper, but is more interactive if it is done on a TI-navigator.
Alabama Learning Exchange
Pennies, Pennies and More Pennies
Learners determine the number of pennies needed to fill a room. In this pennies lesson plan, students work in groups to determine the number of pennies needed to fill a room. They compute the probability of the head of a pin...
Curated OER
Quadrilateral Explorations-Grade Nine
Ninth graders investigate quadrilaterals. In this geometry lesson, 9th graders examine and classify quadrilaterals using the slope, midpoint and distance formulas. Additionally, students create various quadrilaterals given...
Curated OER
Snapping Your Fingers
In this algebra worksheet, students calculate how many snaps is done over a certain amount of time. They chart and graph their data. There is an answer key.
Curated OER
Salary Problem
In this algebra learning exercise, 9th graders calculate the amount of money someone will earn in 30 days, breaking it down to daily. So the first day someone earns 1cent, the second 2 cents et..all the way up to 30 days.
Curated OER
Tangram Puzzles
Learners explore the origin of tangram. In this algebra lesson, students form different shapes and figures using tangram. They solve for the area of different shapes without using any geometric formulas, but the idea of tangram being put...
Curated OER
The "Art" of Baseball
Students investigate the art of baseball. In this sports lesson, students discuss their thoughts about the sport of baseball and create a baseball word list. Students use pattern blocks and drawing paper to create a...
Curated OER
Why Doesn't SSA Work?
Students investigate the relationship between angles and their sides. For this geometry lesson, students prove why SSA does not work as a true angle side relationship theorem.
Pennsylvania Department of Education
Using the Coordinate Plane in Problem Solving
Fifth graders practice solving problems. In this fraction and decimal lesson, 5th graders recognize the relationship between fraction and decimals. Students estimate problem results and write expressions to use for problem...
Curated OER
Why is this lesson constructivist?
Students formulate a definition of tessellations by comparing and contrasting different patterns and shapes of real objects. They discuss the relatioship between shapes and patterns as well as their function in the real world. Students...
Curated OER
Investigating Area Using Tangrams
Tenth graders connect the history of geometry to problem solving. In this geometry lesson, 10th graders investigate polygons through hands on manipulatives and solve problems relating to parallelograms and triangles. They calculate the...
Curated OER
Automobile-Accident Reconstruction
Students investigate an accident and relate it to math. In this trigonometry lesson, students measure the accident scene, the friction produced, and the speed from the skid marks. They create a poster of their findings.