Lesson Plan
Curated OER

Circumference and Area of Circles

For Teachers 5th - 6th
In this math worksheet, students learn to calculate the area and circumference of a circle. Students answer 4 word problems after reading the information and studying the examples.
Lesson Plan
Curated OER

Understanding Place Value

For Teachers 3rd - 4th
In this understanding place value worksheet, young scholars, with a partner, problem solve and calculate the answers to seven place value exercises.
Lesson Plan
Curated OER

What Do Concentrations Mean?

For Teachers 9th - 12th
Learners investigate the concept of climate gases and practice using the appropriate measurement terms. The lesson includes information that is used by the teacher to conduct class discussion or as a source of background for students.
Lesson Plan
Curated OER

Understanding Fractions

For Teachers 5th - 8th
Students add and subtract fractions and multiply and divide fractions using pattern blocks.
Lesson Plan
Curated OER

Whale Fast Food Conversions

For Teachers 7th - 12th
Students calculate feeding rates of whales and compare this to the feeding rates of humans.
Lesson Plan
Curated OER

Science Friday: Hanford Nuclear Waste Cleanup

For Teachers 9th - 12th
High schoolers practice careful listening skills to learn about problems regarding cleanup of radioactive wastes at the Hanford nuclear reservation in Washington State. Students answer the questions imbedded in the lesson as they listen...
Lesson Plan
Curated OER

Area of Solids

For Teachers 7th - 12th
Students find the area of rectangular solids and cylinders by cutting them into flat pieces and adding the areas.
Worksheet
Curated OER

Searching for Patterns

For Students 5th - 6th
In these patterns worksheets, students complete 4 pages of activities for patterns. Students improve their visual interpretation skills with the activities.
Lesson Plan
Curated OER

A Chick Called Saturday

For Teachers K
Students discuss calendars in terms of measurement.
Lesson Plan
Curated OER

Construct Figures to Find Specific Volume

For Teachers 6th
Sixth graders use number cubes to explore volume of two-dimensional shapes. They roll a die and construct a shape using the numbers rolled as measurements of the sides. They estimate the volume of a given object, and then use the...
Lesson Plan
Curated OER

The Air Up There!

For Teachers 9th - 12th
Students create a model of a column of air and discover one of the reasons why low and high pressure systems exist and why low pressure is often associated with bad weather.
Lesson Plan
Curated OER

Optional Laboratory: Calculating Board Footage in a Tree

For Teachers 6th - 8th
Students work together to complete an experiment calculating the amount of board footage in a tree. They record their data and answer questions at the end of the lesson. They create their own hypothesis as well.
Lesson Plan
Curated OER

Discovering the Area and Perimeter of Triangles

For Teachers 8th
Eighth graders identify how to find the area and perimeter of rectangles and triangles. They discuss their understanding of area and perimeter and how the two concepts are applied in the real world. Finally, 8th graders determine the...
Unit Plan
Khan Academy

Khan Academy: Find Perimeter by Counting Unit Squares

For Students 3rd - 5th Standards
In this exercise, students practice find the perimeter of shapes by counting unit squares. Students receive immediate feedback and have the opportunity to watch a video tutorial, get hints, and try questions repeatedly.
Unit Plan
Khan Academy

Khan Academy: Find Area by Counting Unit Squares

For Students 2nd - 4th Standards
Find the area of shapes by counting the unit squares inside them. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints on how to find area....
Unit Plan
Khan Academy

Khan Academy: Counting Unit Squares to Find Area Formula

For Students 2nd - 4th
This tutorial includes a video, questions and explanations around using unit squares to see why multiplying side-lengths can also find the area of rectangles.
Unknown Type
Khan Academy

Khan Academy: Find Area With Partial Unit Squares

For Students 2nd - 4th Standards
Count unit squares and partial unit squares to find the area of shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive step-by-step hints.
Unknown Type
Khan Academy

Khan Academy: Find Area With Partial Unit Squares

For Students 6th - 8th
Count unit squares and partial unit squares to find the area of shapes.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 3.md the Square Counting Shortcut

For Teachers 2nd - 4th Standards
This is a rectangle subdivision task; ideally instead of counting each square. students should break the letters into rectangles, multiply to find the areas, and add up the areas. Aligns with 3.MD.C: CCSS.Math.Content.3.MD.C.6 Measure...
Unit Plan
Khan Academy

Khan Academy: Find Perimeter by Counting Unit Squares

For Students 2nd - 4th
Calculate the perimeter of a rectangle from its side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Texas Instruments

Texas Instruments: Count Them Up! Using the Ti 73 Explorer

For Teachers 6th - 8th
In this activity, you will investigate the areas of rectangles and squares by splitting them up into unit squares and/or half-unit squares and combining them.
Unit Plan
Khan Academy

Khan Academy: Create Rectangles With a Given Area

For Students 2nd - 4th Standards
Practice finding the area of rectangles by counting unit square. Create rectangles with a given area by covering unit squares. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Unit Plan
Khan Academy

Khan Academy: Understanding Area

For Students 2nd - 4th
Compare the amount of unit squares that cover figures. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints related to the concept of area.
Unit Plan
CPALMS

Cpalms: Area of Rectangles: A More Efficient Way?

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] In this lesson, students will connect the concepts of counting each square unit and multiplying the side lengths to compute the area of a rectangle. They will extend this knowledge by computing a side...