National Security Agency
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...
Illustrative Mathematics
Paper Clip
With minimal setup and maximum freedom, young geometers are encouraged to think outside the box on a seemingly simple application problem. Though the task seems simple, measuring a given paper clip and finding how many 10 meters can...
Curated OER
Complexity Madness
Discuss different techniques for finding the area of a geometric shape, with a great visual guide. Using a real life example, learners calculate the area of a rectangle and a square.
Curated OER
Calculate Surface Area Worksheet
Learners calculate the surface area of three rectangular prisms, including a cube, based on given dimensions. There are only three diagrams with which to work. Nice homework, as it provides practice, but isn't too much busy work or...
K6 Math
Area - Square and Rectangles
After third and fourth graders understand how to find the area of squares and rectangles, give them this sheet for practice. There are three squares and three rectangles included here, but there isn't a ton of workspace.
Mrs. Glosser's Math Goodies
Perimeter & Area Worksheet 2
Alternate between area and perimeter with this worksheet, practicing both concepts with different shapes. Problems include examples with parallelograms, octagons, squares, rectangles, and trapezoids. The formulas are not provided,...
Curated OER
Calculate Volume and Surface Area: Cubes
Learners calculate the surface area of two cubes given the length of the sides. For the other two diagrams, given the volume of the cube, they determine the measure of the sides. I like the way they move forward and backward with the...
Math Mammoth
Area of Rectangles
In this geometry worksheet, 4th graders identify how many square units is the area of each of the shaded shapes. Then they find the areas of the rectangles when the sides are given. Students also draw the figure described for each.
Curated OER
Geography: Lengths, Perimeter, and Area of Similar Objects
Sixth graders explore characteristics of similar objects. Using attribute blocks, they explore the ratios of the perimeter, area and side length in similar shapes. They calculate and compare the area of shapes.
Curated OER
Surface Area and Volume Warm-up
Learners draw the given shapes to be bigger than they are and find the surface area and volume of each shape. They complete this for two shapes.
Illustrative Mathematics
Representing Half of a Circle
Geometric shapes make great visual models for introducing young mathematicians to the concept of fractions. Looking at a series of four circles, students are asked to determine whether or not one half of each circle is shaded. To support...
Balanced Assessment
Walkway
Evaluate different aspects of geometry with one task. An assessment activity prompts learners to determine the area of a pathway in the shape of a parallelogram. The Pythagorean Theorem and area formulas for various polygons provide the...
Mrs. Burke's Math Page
The Amazing Pi Race
Add a sense of excitement to your math class with this race across the country. Using their knowledge of all things circular, young mathematicians work in pairs answering a series of pi-related word problems as they hop from one city to...
Math Worksheets Land
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...
Curated OER
Fractions
Represent fractions visually using shape models. Scholars color in two sets of shapes to represent specific fractions: 2/3 and 3/4. The shapes are segmented into equivalent fractions for most of these, so scholars need to understand this...
Curated OER
Shapes!
Explore five basic shapes- square, rectangle, triangle, circle, and stars with youngsters. They will participate in hands-on activities, draw each shape, name each shape. They also get to eat things that are in the shapes they have just...
EngageNY
Modeling Riverbeds with Polynomials (part 1)
Many things in life take the shape of a polynomial curve. Learners design a polynomial function to model a riverbed. Using different strategies, they find the flow rate through the river.
Curated OER
Outlining Area
Explore measuring various objects using square centimeters. Learners create various shapes using five centimeter cubes, calculate the area in square centimeters of different classroom objects, and discover who has the largest mouth,...
Curated OER
Volume of Solids: Algebra/Geometry Institute
Use this volume of solids lesson to have learners find the surface area and volume of cylinders, pyramids, and prisms. They place cubes inside three-dimensional figures to determine the volume. Worksheets and answers are provided.
Mathematics Assessment Project
Solving Problems with Circles and Triangles
After completing a task involving examining the ratio of areas of triangles and circles in a given figure, scholars examine sample responses to identify other strategies they could use to solve the problem.
Mathematics Assessment Project
Discovering the Pythagorean Theorem
Young mathematicians join the ancient order of the Pythagoreans by completing an assessment task that asks them to find the area of tilted squares on dot paper. They then look at patterns in the squares to develop the...
Balanced Assessment
Plenty of Pentagons
Why are only four colors needed to color webs from regular pentagons, not five? An assessment task requires young mathematicians to first construct regular pentagons using a compass and straightedge, then has them consider a shape...
Illustrative Mathematics
Shape Hunt Part 1
The hunt is on! Send young mathematicians on a search for shapes in the first instructional activity of this two-part series. Each time a child finds a hidden shape, he draws it on his paper, and continues searching for the rest. Perform...
Curated OER
Recognize Area as Additive - Guided Lesson
Not all area word problems are straightforward. Here are some trickier ones to challenge your beginning geometers. They determine the area of two irregular shapes and one rectangle using given measurements. Remind scholars to use square...