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Who was Frederick Douglass?

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Lesson Planet

#### Area and Perimeter

Get third graders excited to work find area and perimeter of unit squares, rectangles, and irregular shapes. A 36-page packet comes with task cards, graphic organizers, practice worksheets, printables with squares, exit tickets, and word...

Lesson Planet

#### The Square Counting Shortcut

An excellent lesson that encourages students to discover how complex figures can be broken into simpler shapes when measuring area. Working with block letters, learners are given the freedom to develop their own strategies for...

Lesson Planet

#### Chris’ Garden Dilemma

Make the connections between area, tiling, and multiplication. A performance task and associated unit presents the concept of area and makes the connection to multiplication. Pupils work through three major sections of instruction that...

Lesson Planet

#### City Farmers

Firmly plant the concept of area into the classroom. A performance task dealing with area uses gardening as a context. The outline of a unit with activities keeps with the gardening theme and provides instructional support for teachers....

Lesson Planet

#### Area Builder

All that matters is the tiles. Pupils use the interactive to investigate the relationship between area and perimeter using tiles. The interactive has an explore and a game mode to accommodate different steps in learning. The game mode...

Lesson Planet

#### Between the Lines

Explore linear and square dimensions by comparing areas of similar figures. A creative set of five activities designed for elementary through high school classes asks young scholars to compare areas of specific polygons. The first two...

Lesson Planet

#### Surrounded and Covered

What effect does changing the perimeter have on the area of a figure? The five problems in the resource explore this question at various grade levels. Elementary problems focus on the perimeter of rectangles and irregular figures with...

Lesson Planet

#### Cut It Out

Explore the mathematics of the paper snowflake! During the five lessons progressing in complexity from K through 12, pupils use spatial geometry to make predictions. Scholars consider a folded piece of paper with shapes cut out. They...

Lesson Planet

#### A Gardener’s Dilemma

Young horticulturists work together to design a garden plot using their knowledge of measurement, geometric figures, area, and perimeter formulas. Pupils' show what they know via a presentation, evaluation, survey, and quiz.

Lesson Planet

#### Assessment for the California Mathematics Standards Grade 3

Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently.

Lesson Planet

#### Area of Various Shapes

Find the area of triangles, rectangles, and parallelograms using this metric instructional activity.

Lesson Planet

#### Insulating the House

Finding the area of a rectangle is the focus of this metric worksheet. Here, mathematicians use their knowledge of finding the area of a shape in meters to discover how much material can fit inside a shape.

Lesson Planet

#### Area and Perimeter

Cover some serious ground with this 22-lesson geometry unit on area and perimeter. Through a series of shared readings, hands-on activities, and problem solving exercises young mathematicians learn the difference between area and...

Lesson Planet

#### Area and Perimeter of Irregular Shapes

Evaluate young mathematicians' understanding of area and perimeter with this series of three assessment tasks. Challenging students to not only calculate the area and perimeter of irregular shapes, but to explain in writing their...

Lesson Planet

#### Awesome Area - Geometry and Measurement

Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-instructional activity series supports children with learning how to measure the area of squares, rectangles,...

Lesson Planet

#### A Five Day Approach to Using Technology and Manipulatives to Explore Area and Perimeter

Young mathematicians build an understanding of area and perimeter with their own two hands in a series of interactive geometry lessons. Through the use of different math manipulatives, children investigate the properties of rectangles,...

Lesson Planet

#### Area and Perimeter of Regular and Irregular Polygons

Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...

Lesson Planet

#### Areas and Perimeters

Cover some serious area in your geometry curriculum with this collection of worksheets. After first introducing the concept of area using the tiling method, this resource continues on to teach learners how to use the area and perimeter...

Lesson Planet

#### King of Math Junior

Do your students have what it takes to be the king of math? Find out with this fun skills practice game that covers a wide range of topics from counting and basic operations to measurement and fractions.

Lesson Planet

#### Backyard Building - Area and Perimeter

Turn young mathematicians into landscape architects with this four-lesson series on area and perimeter. Beginning with a basic introduction to calculating perimeter and area using non-standard units of measurement, this instructional...

Lesson Planet

#### Measure Area by Counting Units - Guided Lesson

Given measurement information on individual squares within a larger shape, scholars determine the total area of that square or rectangle. For one of these three problems they draw the shape knowing its total area and the measurements of...

Lesson Planet

#### Measure Area by Counting Units - Step-by-Step Lesson

What is the area? Because there is only one problem here with a detailed explanation below, consider projecting this as an all-class warm up. Learners examine a rectangle split into 12 squares. They know that each unit is three...

Lesson Planet

#### Area - Reteach 17.1

How many square units are in each shape? Young learners find the area of two figures using one-inch squares. They make an estimation before actually measuring. This assignment covers all of the discreet skills within...

Lesson Planet

#### Visualizing Plane Figures and Square Units

Introduce learners to area and square units. They look at a bird's-eye view map of a school and answer questions about different buildings' areas. They draw squares and rectangles on a piece of graph paper and find the area of the...