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Lesson Plan
Curated OER

Lesson Exchange: Polygons (Middle, Mathematics)

For Teachers 6th - 7th
Students discover the relationship between the sides of a polygon and the number of diagonals that can be drawn from one vertex, the number of triangles that those diagonals form, and the sum of the interior angles of that polygon.
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Worksheet
Curated OER

Addition and Subtraction

For Students 3rd - 4th
In this addition and subtraction worksheet, students figure out the correct number to place in 8 boxes without doing the addition and subtraction sums.
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Worksheet
Curated OER

Addition and Subtraction

For Students 3rd - 4th
In this addition and subtraction worksheet, students fill in the correct number in 8 boxes without doing the addition and/or subtraction sums.
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Worksheet
Curated OER

Add Decimals to the Hundredths Place Value

For Students 4th - 5th
In this decimal addition worksheet, students find the sums to 36 horizontal addition problems that include numbers with decimals to the hundredths place value.
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Lesson Plan
Curated OER

Mean, Median and Mode

For Teachers 4th
Fourth graders describe weather data using the mean, median and mode. In this mean, median and mode lesson, 4th graders understand how to calculate data using mean, median and mode and why they would use each one.
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Worksheet
Curated OER

Arithmetic and Geometric Series

For Students 9th - 12th
In this algebra worksheet, students calculate the sum of a finite, geometric or arithmetic series. There are 5 multiple choice questions.
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th
Seventh graders practice calculations using the Pythagorean Theorem to find the missing side of a right triangle. Through guided practice, 7th graders explore how to apply the Pythagorean Theorem to solve for a missing variable. ...
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Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
Students define the terms polygon and perimeter to begin the lesson. Using a calculator, they practice determining the perimeter of various symbols in a painting. They discuss how geometry and art are related to one another.
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Worksheet
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Answer Match

For Students 2nd - 3rd
In this addition and subtraction practice worksheet, students solve 26 problems that require them to add and subtract using 3-digit numbers. Students match the problems that have the same sums and differences.
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Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
Young scholars 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.
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Lesson Plan
Curated OER

Daily Time Ratios

For Teachers 7th - 9th
Students track and record how much time they spend on each activity. In this spreadsheet lesson, students apply different functions using Microsoft excel to format cells and calculate the sum of their total time spent each day. They...
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Lesson Plan
Curated OER

Solving Math Word Problems

For Teachers 4th - 5th
Students use five word problem solving skills to solve a variety of math word problems. They observe the teacher modelling the five steps, and in small groups complete two worksheet word problems. Students read the problem, find the...
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Lesson Plan
Curated OER

Tennis Triangle

For Teachers 9th - 12th
Students calculate the height of a tree or flagpole. They measure the shadow of the tree or flagpole and the length of a shadow of a meterstick. Using similar triangles, calculate the heigh. Devise two additional ways in which to measure...
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Lesson Plan
Curated OER

Strongest Polygon

For Teachers 9th - 12th
High schoolers define and identify shapes by name. In this geometry lesson plan, students construct, identify and compare polygons based on the number of sides. They classify each shape based on their angle sum theorem.
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Lesson Plan
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Exact or Estimation

For Teachers 7th - 9th
Students solve problems using estimation and exact calculations. For this algebra lesson, students use gum balls and thread to create hands on manipulatives to solve problems. They calculate the average of their total data.
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Lesson Plan
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Ants in Your Pants

For Teachers 1st
First graders read "One Hundred Angry Ants" by Elinor Pinczes. They identify various sums that equal ten and display them on a chart.
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Worksheet
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Math Practice Series Worksheet #8

For Students 4th - 7th
In this math practice series worksheet, students problem solve and calculate the answers to thirty-six addition equations. Students show each step of their work.
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Worksheet
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Simpson's Rule

For Students Higher Ed
In this integral worksheet, students use the Simpsons's Rule for evaluating integrals. They use different methods to calculate integrals and compare the results. This eight-page worksheet contains approximately 16 multi-step problems.
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Worksheet
Curated OER

Addition Worksheet #8

For Students 3rd - 6th
In this addition worksheet, students problem solve and calculate the answers to thirty mathematical addition equations. Students show each step of their work.
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Worksheet
Curated OER

MA 439-Math of Image Processing

For Students Higher Ed
In this image processing worksheet, students use a matrix to solve ten problems. For the first six problems, students are guided to the answer by carefully sequenced questions. The final four problems require students to make a series of...
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Worksheet
Curated OER

Perimeter and Area

For Students 4th - 5th
In this perimeter and area worksheet, students first read a one page information text and study the examples. Students solve 7 problems in which area and perimeter are calculated.
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Lesson Plan
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Division

For Teachers 4th - 5th
Students use their knowledge of multiplication to learn problem solving strategies to solve division problems. In this division lesson plan, students play a circle game, work in small groups to review times tables, and solve division sums.
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Worksheet
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Giant Difference of Squares

For Students 11th
In this algebra worksheet, 11th graders calculate the sum of squares of all real numbers that satisfy an equation. An answer key is provided.
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Lesson Plan
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Finding Addition Patterns

For Teachers Pre-K - 2nd
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.