Curated OER
Lesson Exchange: Polygons (Middle, Mathematics)
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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Pythagorean Theorem
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. ...
Curated OER
Polygon Perimeters
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.
Curated OER
Polygon Perimeters
Students complete worksheets where they calculate the perimeter of polygons. For this perimeter of polygons lesson plan, students divide complex shapes into simple shapes to find the perimeter.
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Daily Time Ratios
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...
Curated OER
Exact or Estimation
Students solve problems using estimation and exact calculations. In 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.
Curated OER
Math Practice Series Worksheet #8
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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Fractions
In this fraction worksheet, learners find the sum and difference of fractions with unlike denominators. They multiply and divide fractions. Simple fractions, as well as mixed numbers are provided in this worksheet. This two-page...
Curated OER
Fun With Calendars
Young scholars use four numbers to find calendar dates that form square numbers. In this square numbers lesson, students use algebraic equations to calculate and locate number patterns using a monthly calendar.
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Number: Index Notation
Students explore the concept of index notation. In this square root and cube root lesson, students examine number patterns as they complete a worksheet that requires them to calculate roots.
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Triangle Exterior Angles Theorem
Learners identify the measure of missing exterior angles. For this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.
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Coin Drop
Students calculate the theoretical and empirical probability by dropping coins on a grid. They record their data and compare the theoretical and empirical data. Students make predictions about the results before conducting the experiment.
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Square Numbers Closure Activity
Students discuss square numbers. In this math lesson, students find square numbers and support their answers. Students find sums and products that are square numbers.
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Tangram Perimeters
Students work together to make figures out of tangram squares. In groups, they calculate the measurements they need and apply the Pythagorean Theorem. They complete a worksheet solving equations using the theorem and review their answers.
Lane Community College
Review Sheets: Basic Mathematics 1
Here is a worksheet that is 3/4 fraction practice and 1/4 skills guide. The problems are organized by concept and each section bullet points the skills needed to accomplish them. The problems are straightforward practice with word...
Curated OER
Tetrahedral Dice
Put those thinking hats on and look at all the possible outcomes from rolling two different four-sided dice. The challenge in this problem is finding all the combinations when adding and subtracting the numbers from each die and creating...
Curriculum Corner
7th Grade Math "I Can" Statement Posters
Translate the Common Core math standards into a series of achievable "I can" statements with this collection of classroom displays. Offering posters for each standard, this resource is a great way to support your seventh graders as they...
Curated OER
Pythagorean Theorem by Graphic Manipulation
There are many different ways to show a proof of the Pythagorean Theorem. Here is a nice hands-on paper cutting activity that shows a graphic representation. You can even challenge your young Pythagoreans to come up with their own...
National Security Agency
Classifying Triangles
Building on young mathematicians' prior knowledge of three-sided shapes, this activity series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy...
Curated OER
Mean, Median, Mode, Range
Learners engage in a study of mean, median, mode, and range in order to represent data in tables. They are also exposed to the results of data that is skewed because of the outlier.
Courseware Solutions
Understanding Algebraic Expressions
Prealgebra apprentices read seven phrases and write an expression for each. The printable version of the activity is not very attractive; it has the standards information printed at the top. The problems are arranged in a table and are...
Curated OER
Mean and Standard Deviation
Get two activities with one lesson plan. The first lesson plan, is appropriate for grades 6-12 and takes about 20 minutes. It introduces the concept of measures of central tendency, primarily the mean, and discusses its uses as well as...
Illustrative Mathematics
Rectangle Perimeter 3
This activity looks at writing expressions to represent perimeter of a rectangle and then considers the concept of equivalent expressions and the distributive property in more detail.
Virginia Department of Education
What Are the Chances?
Take a chance on an informative resource. Scholars conduct probability experiments involving coins and number cubes to generate data. Compiling class data helps connect experimental probability to theoretical probability.