Lesson Plan
Curated OER

Area Explorations

For Teachers 7th - 8th
Students explore the concept of area. In this area activity, students find the area of irregular shapes with right angles. Students break down each irregular shape into multiple regular shapes in order to find the area. Students...
Lesson Plan
Curated OER

Investigation-Looking at Polygons

For Teachers 8th
Eighth graders plot points and investigate polygons. They locate a point, using ordered pairs of integers on the coordinate plane. Students compare geometric measurements and computations on coordinate axes as they are applied to...
Lesson Plan
Curated OER

Does Your Rectangle Have Guts?

For Teachers 3rd - 4th
Does it? Kids find the perimeter and area of different shapes to assess whether their rectangle has guts. In addition to finding the area of a rectangle, learners work to find the area of a trapezoid. All worksheets are included. 
Worksheet
Curated OER

Perimeter of Shapes

For Students 3rd - 4th Standards
These squares and rectangles have length and width measurements with decimals; can young geometers determine the exact perimeter of each? Using a step-by-step example as guidance, they show work to find the perimeter of each of these...
Lesson Plan
Curated OER

Bits and Pieces I

For Teachers 6th
Sixth graders examine making smaller parts out of fractions and decimals. In this online interactive fractions, decimals, and percents lesson, 6th graders represent fractions with denominators of ten. Students then represent powers of 10...
Assessment
Howard County Schools

Exit Ticket 3.MD.5

For Students 3rd - 4th Standards
Intended for use as an exit ticket, this activity can be used as an extension to a lesson, test, or even homework. Learners complete three tasks that involve finding the area of a figure in square units. Young mathematicians can be...
Lesson Plan
Willow Tree

Measurement

For Students 8th - 11th Standards
Build a basic understanding of units of measure and create a great foundation for your learners. The activity gives a complete overview of everything measurement, from types of measurement to rounding to conversions — it has it all! 
Activity
101 Questions

Apple Mothership

For Teachers 9th - 12th Standards
Explore Apple's spaceship office building. Built in the shape of a circle, the office building offers a unique floor plan challenge. Young scholars use the dimensions of the building to estimate the square footage for each employee. 
Lesson Plan
National Park Service

Living & Non-Living Interactions

For Teachers 2nd - 6th Standards
What better way to learn about ecosystems than by getting outside and observing them first hand? Accompanying a field trip to a local park or outdoor space, this series of collaborative activities engages children in...
Worksheet
Open Text Book Store

Arithmetic for College Students: Worksheets

For Students 5th - 7th Standards
Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.
Assessment
Mathematics Assessment Project

Geometry

For Students 7th - 8th Standards
Help learners find joy in facing mathematical challenges. The questions posed on this worksheet encourage young mathematicians to utilize skills learned throughout a geometry unit, and to apply themselves and persevere through...
Lesson Plan
Curated OER

Square Roots

For Teachers 7th - 8th
Students differentiate between perfect roots and rational roots. In this algebra lesson, students perform operation using roots. They add, subtract, multiply and divide rational expressions.
Lesson Plan
Curated OER

Area Of A Circle

For Teachers 5th
Fifth graders experience a lesson plan to investigate the methods for finding the area of a circle. They use the drawing of segments in order to visualize how a circle can be proposed of many parts. Then students brainstorm in order to...
Lesson Plan
Curated OER

Perimeter of Triangles and Rectangles

For Teachers 5th
Fifth graders study perimeter. In this math lesson, 5th graders use Cheerios to find the perimeter of various polygons. Students discuss how to figure the perimeter of triangles, squares and rectangles.
Lesson Plan
Curated OER

Finding The Area Of Shapes

For Teachers 4th
Fourth graders investigate the concept of computing the area using different shapes. They use prior knowledge in order to devise a formula for a parallelogram. Scaffolding is provided by the teacher to find the formula of area for...
Lesson Plan
Curated OER

Building Storm Shelters

For Teachers 6th
Sixth graders explore area and perimeter. In this online interactive area and perimeter instructional activity, 6th graders investigate why the perimeter of rectangles can vary considerably even when the area is held constant. Students...
Worksheet
Curated OER

Fractions and Decimals in Measuring Units

For Students 4th - 6th
For this fractions and decimals worksheet, students express the given measurements as either decimals or fractions. Students learn to convert measurements.
Worksheet
Curated OER

Fractions and Decimals in Measuring Units

For Students 4th - 5th
In this fractions and decimals worksheet, students learn to express measurements using decimals and fractions for the pounds and ounce measurements.
Lesson Plan
Curated OER

Percentages: Fractions and Decimals

For Teachers 2nd
Second graders convert fractions to percentages.  In this interactive whiteboard percentages instructional activity, 2nd graders problem solve using percentages, fractions, and decimals.
Lesson Plan
Illinois State Board of Education

Geoboard Areas

For Teachers 6th - 8th Standards
Middle school geometers determine the area of a shape on a geoboard or dot paper and draw figures that meet given area conditions. Working as a class, they develop and discuss various ways to draw geometric shapes with specified...
Lesson Plan
Curated OER

Pacing a Gunther Chain

For Teachers 3rd - 5th
Students pace a Gunther Chain, a measurement used by foresters to determine distance and area. They discuss that pacing is individualized depending on age, gender, etc. They practice to find an average pace. Teams estimate, pace and...
Lesson Plan
Curated OER

Sand Babies

For Teachers K - 5th
An engaging lesson plan which has elementary learners measure weight to the nearest pound and construct and interpret a bar graph! They measure length using non-standard units and determine area using square tiles. Pupils round their...
Lesson Plan
Beyond Benign

Drafting Bubbles

For Teachers 6th - 8th
Let's start designing a house. Future architects create floor plans for a house given certain constraints. They calculate the area of each room in the house. This is the 11th lesson in a 15-part unit.
Lesson Plan
8
8
The New York Times

Looking for Answers: Making Sense of the Boston Marathon Bombing

For Teachers 9th - 12th Standards
How should America respond to acts of domestic terrorism? What motivates or prompts a terrorist attack? After reading an opinion piece on the 2013 Boston Marathon bombing, your learners will critically analyze factors that could have...