Lesson Plan
Curated OER

Count Them Up

For Teachers 6th - 8th Standards
Pupils calculate area using the geoboard application on their calculators. They use a TI-73 calculator to find the areas of the shapes provided in the accompanying worksheet. Screen shots and instructions for creating shapes in the...
Lesson Plan
Curated OER

Introductory Lesson- Patterns

For Teachers 1st
First graders explore patterns in mathematical context. For this patterns lesson, 1st graders inspect patterns shown to them, copy patterns, complete patterns and create patterns of their own. These patterns are shown by actions,...
Lesson Plan
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Alabama Learning Exchange

Pennies, Pennies and More Pennies

For Teachers 9th - 11th Standards
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...
Worksheet
Curated OER

Addition of Shapes

For Students 1st - 2nd
In this addition worksheet, learners count, write and add together 6 sets of different color-coded shapes in the boxes provided. Students totals will average between 10 and 18.
Lesson Plan
Curated OER

Shapes and Introduction to Geometry

For Teachers 2nd - 4th
Students make a quilt. In this geometry instructional activity, students discuss patchwork quilts and learn some different geometric shapes and patterns that are commonly used. Students explore designs with triangles and squares and then...
Lesson Plan
Think Map

Know Your Polygons!

For Teachers 3rd - 5th Standards
Shape shifters recognize characteristics of polygons. Embracing language arts skills in addition to math, they use a thesaurus to pinpoint specific attributes of a set of polygons. They also participate in a 21-question guessing game...
Lesson Plan
Curated OER

Rectangles and Trapezoids in the Coordinate Plane

For Teachers 7th - 9th
Students determine the missing vertices of quadrilaterals. In this rectangles and trapezoids instructional activity, students examine the characteristics of quadrilaterals. They identify the missing vertices of a quadrilateral on a...
Lesson Plan
Curated OER

An Introduction to Quadrilaterals

For Teachers 9th - 12th
Young scholars explore the concept of quadrilaterals. In this quadrilateral instructional activity, students play with a floor tile applet to see that there are many types and characteristics of quadrilaterals including parallelograms,...
Lesson Plan
Curated OER

Area of Polygons

For Teachers 10th
In 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...
Worksheet
Curated OER

Guided Notes on Area

For Students 9th - 10th
In this area worksheet, learners find the area of rectangles, triangles and circles. This eight-page worksheet contains approximately 36 problems. Examples and explanations are provided. Answers are included at the end of the worksheet.
Worksheet
Helping with Math

Geometry: Areas of Triangles

For Students 7th - 9th Standards
For this areas of triangles instructional activity, students observe given polygons. They determine the area of triangles, rectangles and compound figures. This one-page instructional activity contains 5 multi-step problems. This...
Worksheet
Curated OER

Algebraic Manipulation

For Students 9th - 11th
In this algebraic manipulation worksheet, students examine a given number grid, find the pattern and determine an equation to fit the situation. They calculate the area of given rectangles. Students solve real life problems using given...
Worksheet
Curated OER

Area (1)

For Students 8th - 10th
In this area worksheet, students find the area of compound polygons. This one-page worksheet contains 2 multi-step problems.
Worksheet
Curated OER

Completing the Square

For Students 8th - 10th
In this completing the square activity, students determine the value of the unknown by completing the square. This two-page activity contains 18 problems. Answers are provided on the last page.
Worksheet
Curated OER

Completing the Square

For Students 8th - 10th
In this completing the square worksheet, students solve problems by completing the square. They determine the value of the unknown in the binomial. This two-page worksheet contains 30 problems. Answers are provided on the last page.
Worksheet
Math eBook

Perimeter Worksheet

For Students 7th - 8th
In this perimeter activity, students find the perimeter of given regular and irregular polygons. This four-page activity contains 20 problems. This interactive activity may be completed online or printed for paper use.
Worksheet
Curated OER

Transformations and Congruence

For Students 10th
In this transformations and congruence worksheet, 10th graders solve and complete 5 different types of problems. First, they calculate the length of a line giving their answer in 3 significant figures. Then, students prove that two...
Lesson Plan
Curated OER

Geometry Scavenger Hunt

For Teachers 1st - 2nd
Students hunt for hidden geometric shapes and compare the properties of various shapes. In this geometry lesson plan, students play a game of finding squares, circles, rectangles, and ovals that have been hidden around the classroom....
Lesson Plan
Curated OER

Squares

For Teachers Pre-K - K
Students identify shapes that are squares. For this square lesson, students identify the square items and then sing songs about squares.
Lesson Plan
Curated OER

Finding the Sum of the Exterior and Interior Angles of a Polygon

For Teachers 8th - 10th
Students find the sum of the angles of a polygon and construct a polygon given the number of sides. For this polygon lesson plan, students draw large polygons on the floor of the room. They measure the length of each side and the...
Lesson Plan
Curated OER

Similarity

For Teachers 9th - 10th
Students find the factor of proportionality in similar polygons. In this similarity of polygons lesson plan, students measure the sides and angles of polygons and derive a factor of proportionality between corresponding pairs of sides...
Worksheet
Curated OER

Angles in Polygons

For Students 10th - 12th
In this angles in polygons worksheet, students determine the value of a missing angle measure. They find the value of interior angles and exterior angles. Polygons include triangles, quadrilaterals, pentagons, and hexagons. This...
Worksheet
Curated OER

Shapes and Designs

For Students 10th
In this shapes and designs worksheet, 10th graders solve and complete 6 different types of problems. First, they fill in the first two columns of the table show with their shapes. Then, students measure the interior angles of each...
Worksheet
Curated OER

The Unit Factor and Dimensional Analysis

For Students 8th - 10th
In this unit factor and dimensional analysis worksheet, students read about how to convert from one unit to another using unit factors and how to work with square units and cubic units using dimensional analysis. They practice solving...