Lesson Plan
Curated OER

A Dreamer's Cloak

For Teachers 1st - 5th
Students listen to the teacher read "A Dreamer's Cloak." They examine the difference between squares and circles and create their own cloak by using a paper bag and different shapes.
Worksheet
Curated OER

Tiling with Pentominoes

For Students 10th
For this tiling with pentominoes worksheet, 10th graders solve 3 different problems related to tiling with pentominoes. First, they define pentomino as a type of polygon and locate 10 other pentomino shapes in the figure shown at the...
Lesson Plan
Curated OER

State Internet Search: A Mathematical Introduction To State Reports

For Teachers 4th - 7th
Students locate the population and square mileage of at least one state. Using this information students graph the population and the area of the 50 states individually and as a class, then analyze the information.
Worksheet
Curated OER

Building Quadrilaterals

For Students 10th
In this building quadrilaterals worksheet, 10th graders solve and complete ten different problems related to types of quadrilaterals. First, they build the quadrilateral on the given geoboard. Then, students draw the shape named using...
Worksheet
Curated OER

Crossmath Puzzles

For Students 3rd - 4th
In this addition and subtraction worksheet, students complete four puzzle squares. Students fill in the blanks to get the answers at the right side and at the bottom. Numbers may only be used once in each row or column.
Worksheet
Curated OER

Solve-Real roots-Intersections

For Students 6th - 12th
In this math worksheet students complete a series of multiple choice questions including calculating intersections using x and y axis.
Lesson Plan
Curated OER

Area of irregular Polygons: Historical Motivator - Lewis and Clark Adventure

For Teachers 7th
Seventh graders find the area of irregular polygons. In this lesson on calculating area, 7th graders use the adventures of Lewis and Clark as motivation to learn how to calculate the area of irregular polygons.
Organizer
Curated OER

Logic

For Students 5th
In this math logic puzzle activity, 5th graders complete 24 empty squares within a puzzle. Directions are provided and some numbers are filled in to prompt students. 
Lesson Plan
Curated OER

Edible Math

For Teachers 2nd
Second graders use M&M candies to graph colors, illustrate story problems and practice hands-on math. They use spreadsheets, worksheets and graphs to organize math problems that use M&M's.
Lesson Plan
Curated OER

Measurement

For Teachers 3rd - 5th
Students choose appropriate units of measure and predict length using the metric system. In this measurement lesson, students participate in activities in which they predict, measure, and record linear measurements such as arm span vs....
Worksheet
Curated OER

Kepler Spies Five New Planets

For Students 9th - 11th
In this discovering new planets learning exercise, students read about how the Kepler spacecraft detects new planets by observing the dimming of light emitted by stars as the planets pass in front of them. Students solve 2 problems using...
Lesson Plan
Curated OER

Tangram Puzzles

For Teachers 8th - 12th
Young scholars 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...
Lesson Plan
Curated OER

Area of Polygons

For Teachers 10th
For this area of polygons worksheet, 10th graders solve and complete 12 various types of problems. First, they find the area of a given square. Then, students find the length of an original square as illustrated. They also write an...
Interactive
Curated OER

Area Post Test

For Students 6th - 7th
In this area learning exercise, students complete a ten question multiple choice test by finding the area of various geometric figures. This is an interactive learning exercise.
Worksheet
Curated OER

Scales Problems

For Students 4th - 8th
In this scales learning exercise, students find the weight of the shapes on the scale by comparing it to the other side, and make up their own problems. Students complete 5 sets of problems.
Lesson Plan
Curated OER

Polygons, Parallelograms, Quadrilaterals- Oh My!!!

For Teachers 3rd - 5th
Students demonstrate their comprehension of shapes and their properties. They work in small groups. Students review the following terms: property, polygon, quadrilateral, and parallelogram. They read Shape Up! Fun With Triangles and...
Lesson Plan
Curated OER

Quadrilaterals: Four-sided Figures

For Teachers 5th
Fifth graders engage in a variety of hands-on and technology-rich activities involving the classification of quadrilaterals. They utilize protractors and rulers to investigate the characteristics of various types of quadrilaterals. They...
Worksheet
Curated OER

Pythagorean Theorem

For Students 9th - 10th
In this Pythagorean theorem worksheet, students solve and complete 20 different problems that include using the Pythagorean theorem to solve them. First, they use the Pythagorean theorem to determine the value of x in each right...
Worksheet
Curated OER

Area and Perimeter

For Students 10th
In this area and perimeter worksheet, 10th graders solve and complete 18 various types of geometry problems. First, they find the area of a figure shown with consecutive sides perpendicular. Then, students find the area and perimeter of...
Lesson Plan
Key Curriculum Press

Properties of Special Parallelograms

For Teachers 9th - 11th Standards
Rhombuses, rectangles and squares are have special properties. In this lesson, young geometers investigate and make conjectures about diagonals, angles, and parallel lines of parallelograms. 
Lesson Plan
Curated OER

Triangle Conjectures

For Teachers 10th
Tenth graders investigate the theorems of ASA, AAS, AAA and ASA. For this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two angles are formed by...
Lesson Plan
Curated OER

Shapes (Orienteering)

For Teachers 4th - Higher Ed
Students explore the tools of navigation.  For this shapes lesson, students navigate using direction cues to create a shape.  Students follow specific steps to create their shapes. Students use compasses to see the directions...
Lesson Plan
Curated OER

What is a Tangram?

For Teachers 2nd - 4th
Students identify a tangram. In this geometry lesson, students read Grandfather Tang's Story and retell each story using the tangrams on a flannel board. Students use tangrams to complete an included worksheet.
Lesson Plan
Curated OER

Grade 3: What Can I Make with 30 Centimeters?

For Teachers 3rd
Third graders create polygons with perimeters of 30 centimeters, use the centimeter grid paper to determine the area of each shape, and organize the shapes to make generalizations from the patterns they see.