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Lesson Plan
Pennsylvania Department of Education

Making Triangles

For Teachers Pre-K - 2nd
Learners use interactive geoboards to identify simple geometric shapes. In this making triangles lesson, students describe the properties associated with geometric shapes. Learners develop spatial sense and the mathematical meaning...
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Lesson Plan
Curated OER

Classifying Polygons

For Teachers 1st - 3rd
Students study polygons. In this math lesson, students play a game in which they learn the classification system for polygons. Students identify the properties of quadrilaterals.
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Worksheet
Curated OER

Area and Perimeter of Rectangles

For Students 4th - 8th
In this area and perimeter worksheet, students find the area and perimeter of rectangles whose sides are three digit numbers with decimals. Students complete 6 problems.
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Worksheet
Curated OER

Area of Rectangles

For Students 2nd - 5th
In this area activity, students find the area of rectangles that are represented by square units. Students complete 6 problems on 10 pages.
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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.
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Worksheet
Curated OER

Rhombi and Squares

For Students 9th - 11th
For this quadrilateral worksheet, students find the missing measurements in squares and rhombuses in one hundred fifty-two problems.
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Worksheet
Curated OER

Trapezoids and Kites Homework

For Students 9th - 11th
In this quadrilaterals worksheet, students find the missing measurements of side lengths and angles in isosceles trapezoids and kites.
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Worksheet
Curated OER

Trapezoids and Kites Multiple Choice

For Students 9th - 12th
In this trapezoids learning exercise, students solve 6 multiple choice problems. Students find the lengths of the bases of a trapezoid given a ratio and median length. Students find unknown angle measures of kites and trapezoids given a...
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Interactive
Curated OER

Special Right Triangles Multiple Choice

For Students 9th - 11th
In this length worksheet, students answer five multiple choice questions concerning lengths using rules of various figures including, triangles, rhombus, diamonds, and circles.
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Interactive
Curated OER

Parallelograms Multiple Choice

For Students 9th - 10th
For this geometry worksheet, students calculate the different measurements for parallelograms using the properties of quadrilaterals. They are given partial information and must solve the problem. There are 6 questions with an...
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Lesson Plan
Curated OER

Regular Polygons

For Teachers 5th
Fifth graders explore polygons. In this math lesson, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
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Lesson Plan
Curated OER

Area of Combined Shapes - Turtle Combo

For Teachers 9th - 12th
Students graph polygons using the name and number of sides. In this geometry lesson, students identify the formula to calculate the area and perimeter of polygons. They relate the formula to different polygons and shapes.
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Lesson Plan
Curated OER

Creature Design

For Teachers 5th
Fifth graders create mathematical creatures. In this geometry lesson, 5th graders create a creature from regular and irregular geometric shapes. Students review vocabulary and construct an original creature based on a rubric.
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Lesson Plan
Curated OER

Perimeter and Area of a Rectangle

For Teachers 6th
Sixth graders fill out worksheets to find the perimeter and area of rectangles. In this perimeter and area lesson plan, 6th graders color in the area and measure the perimeters.
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Lesson Plan
Curated OER

Stained Glass Polygons

For Teachers 4th - 6th
Students follow directions to make a stained glass window design of regular and irregular polygons with specific geometric elements. In this geometry lesson plan, students also analyze other classmate's designs.
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Lesson Plan
Curated OER

Robot Area

For Teachers 9th - 11th
Students calculate the area of different polygons. In this geometry lesson, students explore polygons based in their shape and number of sides. They find the formula for the area and use each specific formula for each shape.
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Lesson Plan
Curated OER

Tricky Traps

For Teachers 9th - 11th
Students create identify properties of trapezoids. In this geometry lesson, students calculate the area of given trapezoids and review the area formula for parallelograms. They draw a correlation between the area of a trapezoid and that...
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Lesson Plan
Curated OER

Who Let the Dogs Out?

For Teachers 8th - 10th
Students calculate the perimeter and area of polygons. In this geometry lesson, students apply formulas of perimeter to solve geometric problems. They calculate the area of a dog fence and create ways to keep the dog in that area.
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Worksheet
Curated OER

Polygons

For Students 5th - 7th
In this polygon activity, learners draw various polygons according to given specifications and find angle sums. A website reference for additional resources is given.
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Worksheet
Curated OER

Count to 3

For Students K
In this counting to 3 activity, students count rectangles and circles up to the number 3. Students complete 2 problems where they count shapes on this activity.
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Interactive
Curated OER

Geometry

For Students 2nd - 3rd
In this geometry/math learning exercise, learners name eight shapes by circling the name that best describes it. Students select the correct answer from 4 choices.
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Worksheet
Curated OER

Identify Shapes

For Students K - 2nd
In this shapes worksheet, students identify shapes as either being hexagons, pentagons, or octagons. Students complete 3 problems total.
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Worksheet
Curated OER

Perimeter and Area

For Students 3rd - 6th
In this perimeter and area worksheet, students find the perimeter and area of squares and rectangles. Students complete 9 problems total.
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Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
Students complete worksheets where they calculate the perimeter of polygons. In this perimeter of polygons lesson plan, students divide complex shapes into simple shapes to find the perimeter.