Lesson Plan
Illustrative Mathematics

Alike or Different Game

For Teachers K Standards
How are a circle and triangle alike? How are they different? These are the types of questions children will answer while playing this fun geometry game. Including a variety of conventional and unconventional shapes, this activity allows...
Lesson Plan
Illustrative Mathematics

All vs. Only Some

For Teachers Pre-K - 2nd Standards
All shapes have certain defining attributes that set them apart from others. In order to understand this, young mathematicians look at examples and non-examples of triangles, rectangles, and squares, working as a whole class to create...
Worksheet
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Curated OER

Practice: Word Problems

For Students 5th - 7th Standards
Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians...
Workbook
Curated OER

Word Problem Practice Workbook

For Students 6th - 8th Standards
Need worksheets that challenge your middle schoolers to apply their understanding of math? Problem solved! From integers, fractions, and percents, to algebra, geometry, and probability, over 100 pages of word problem worksheets...
Activity
Noyce Foundation

Lyle's Triangles

For Students K - 12th Standards
Try five problems on triangles. Levels A and B focus on shapes that can be created from right triangles. Level C touches upon the relationship between the area of a six-pointed star and the area of each triangle of which it is composed....
Worksheet
Curated OER

Quadrilaterals and Other Polygons: Homework

For Students 5th - 6th
In this polygons worksheet, students classify each polygon in as many ways as possible. Students then write polygon or not a polygon to classify each figure and find the measure of the missing angles. Students finish with one word problem.
Worksheet
Curated OER

Quadrilaterals and Other Polygons: Practice

For Students 5th - 6th
In this polygons worksheet, learners classify each polygon in as many was possible. Students then write polygon or not a polygon to classify each figure. Learners find the measure of the missing angles and complete two test prep...
Worksheet
Curated OER

Introducing Polygons

For Students 3rd - 5th
In this polygons worksheet, students name the 6 different colored shapes, choose any 3 polygons to draw and color on a grid, while adding a right angled triangle and a rhombus.
Worksheet
Curated OER

Polygons

For Students 4th
In this polygons worksheet, 4th graders identify and name the 4 polygons drawn on the bottom of the worksheet and then draw a triangle, hexagon and a quadrilateral.
Lesson Plan
Curated OER

Algebra/Geometry Institute: Area of Polygons

For Teachers 6th - 8th
Students find the area of polygons.  In this area of polygons lesson, students find the area of parallelograms, rectangles, squares, and other polygons.  They identify each given figure and determine the appropriate formula...
Lesson Plan
Curated OER

Intro To Quadrilaterals

For Teachers 1st - 3rd
Students engage in a lesson that is concerned with the concept of quadrilaterals and how they are used to create a rectangle for a door. They create a drawing of a quadrilateral while finding the sum of the angles. They practice problems...
Lesson Plan
Curated OER

2-D Polygons

For Teachers 6th - 8th
Middle schoolers investigate the concept of two dimensional polygons. They complete a vocabulary chart with the teacher or in independently. Students are shown various polygons in order to classify them and then asked to draw one of them...
Worksheet
Curated OER

Quadrilaterals

For Students 4th
In this quadrilateral instructional activity, 4th graders, after reading about the 5 different types of quadrilaterals, write the name of each of the 6 quadrilaterals drawn for them at the bottom of the instructional activity.
Worksheet
Curated OER

Drawing Quadrilaterals

For Students 6th - 8th
In this math worksheet, learners draw quadrilaterals and also find the sums of the inner angles for each. They practice drawing rhombuses as unique quadrilaterals.
Lesson Plan
Curated OER

World of Quadrilaterals

For Teachers 7th - 12th
Students define the importance of the properties of quadrilaterals. In this quadrilaterals instructional activity, students identify the general properties of and compare and contrast the properties of convex and concave quadrilaterals....
Worksheet
Curated OER

Quadrilaterals

For Students 10th
In this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include various types of quadrilaterals to identify. First, they find the value for each variable in the illustrated quadrilateral. Then,...
Worksheet
Curated OER

Nine Quadrilateral Problems Involving Angle Measures and Classification

For Students 9th - 11th
In this quadrilaterals worksheet, learners calculate the measure of angles in five parallelograms, name a quadrilateral, and find values of given variables in three diagrams.  The solutions are provided.
Worksheet
Curated OER

The Quadrilateral Family

For Students 10th
For this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include identifying various quadrilaterals. First, they indicate whether the statements are true or false for each. Then, students determine...
Lesson Plan
Curated OER

Classifying Quadrilaterals

For Teachers 4th - 8th
Students cut out three different shapes and put them in the correct categories of parallelograms, trapezoids, and trapeziums. In this parallelogram lesson plan, students explain the sums of the angles of a triangle and a quadrilateral.
Worksheet
Curated OER

Squares and Rhombi

For Students 10th
In this squares and rhombi instructional activity, 10th graders solve 8 different problems with quadrilaterals, especially the square and rhombus. First, they use the given rhombus and the given information to find the value for each...
Worksheet
Curated OER

Quadrilaterals

For Students 10th
In this quadrilaterals activity, 10th graders solve 10 different problems that include the quadrilateral family and properties. First, they determine the area of a rectangle given the perimeter and length. Then, students determine the...
Lesson Plan
Curated OER

Areeas of Parallelograms and Triangles

For Teachers 12th
Twelfth graders are able to deduce the area of polygons by using several methods such as coordinate method. They are able to apply the area of polygons to real life situations. Students apply the Pythagorean Theorem in problem solving...
Lesson Plan
Curated OER

Can You Make Quadrilaterals?

For Teachers 2nd - 4th
Students identify and describe squares, rectangles, parallelograms, trapezoids, and kites. In this quadrilaterals lesson plan, students put the quadrilateral shapes into a chart.
Worksheet
Curated OER

Polygons

For Students 10th
In this polygons worksheet, 10th graders solve and complete 27 various types of problems. First, they determine how many lines of symmetry a square has and if it is a parallelogram. Then, students find the number of lines of symmetry in...

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