Illustrative Mathematics
Designs
A resource that makes for excellent group work as learners explore the area and perimeter of different complex designs made up of squares and circles. The commentary gives a clear definition of perimeter, but suggests that group members...
Center for Mathematics and Technology
Whole Numbers: Using an Area Model to Explain Multiplication
There are many ways to work through a multiplication problem. Using an area model, kids complete several worksheets with different types of multiplication problems, including multiplying by ten, and explain how the new strategies differ...
Exploratorium
Tired Weight
You don't need a scale to determine weight. This activity provides a way to use the concepts of air pressure and surface area to determine the weight of a vehicle by calculating the amount of weight each tire supports.
CK-12 Foundation
Geometric Probability: Dartboard
Get your class on target with probability using an exciting resource. The interactive presents three square dartboards with different target areas, which are combinations of square units. Pupils determine the probabilities of randomly...
National Geographic
Australia, Antarctica, and Oceana
Go on a traveling adventure throughout Australia, Oceana, and Antarctica! This textbook excerpt offers a full unit of study that can easily be supplemented by extra projects or research materials. Learners study maps, read about...
Curated OER
Park Planner
In this measurements worksheet, students read the park requirements and draw a park in the grid provided. They then write down the square unit area of 5 park features.
Curated OER
Area, Arithmetic and Algebra
Students model formulas for rectangles and squares. In this area, arithmetic and algebra lesson, students explore the formula for the area of squares and rectangles. They use squares to model the formula for the area and identify...
Curated OER
Numeric Response Problem
In this square units worksheet, 3rd graders complete word problems about the amount of square units shown. Students complete 10 problems.
Curated OER
Study Buddies: Explore - Area
In this math worksheet, young scholars will work with a coach to find the total area of a tree-house. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Guided Notes on Area
In this area worksheet, learners find the area of rectangles, triangles and circles. This eight-page worksheet contains approximately 36 problems. Examples and explanations are provided. Answers are included at the end of the worksheet.
Curated OER
Area of Right Triangles
In this are of right triangles worksheet, students read graphs and explore congruent triangles. They find the area of rectangles and of right triangles. This one-page worksheet contains explanations, instructions, and 8...
Curated OER
Introduction to Area
In this area worksheet, students find the area of four rectangles when given the drawings with grid markings inside each. They use the area formula to find the area of five rectangles. This worksheet is intended to be used as a part of a...
Curated OER
Triangle Problems-Base, Height, and Area
For this geometry worksheet, 10th graders find the base, height, or area of a triangle. The one page interactive worksheet contains ten questions. Answers and hints are included.
Curated OER
Square Problem
In this square problem worksheet, students read a word problem dealing with the are of a square. From the given information, students determine the dimensions of a rectangle. This one-page worksheet contains 1 problem. ...
Curated OER
Count Them Up
Pupils calculate area using the geoboard application on their calculators. They use a TI-73 calculator to find the areas of the shapes provided in the accompanying worksheet. Screen shots and instructions for creating shapes in the...
Helping with Math
Geometry: Areas of Triangles
For this areas of triangles instructional activity, students observe given polygons. They determine the area of triangles, rectangles and compound figures. This one-page instructional activity contains 5 multi-step problems. This...
Curated OER
Geometry and Geoboard
Sixth graders use geoboards and dot paper to experiment with geometric concepts. In this geometry lesson, 6th graders complete four activities using geoboards or dot paper including naming points on a coordinate plan and finding the area...
Curated OER
Area Unit
Learners solve the area for parallelograms,squares, rectangles, trapezoids, and triangles. In this geometry lesson, students compare and contrast two dimensional shapes and apply their properties to solving real life scenarios. This is a...
Curated OER
Geoboard Squares
Students create squares of different sizes on a geoboard. They find and describe a pattern. Students use the pattern to determine the number of squares possible on a 10-by-10 geoboard. They create squares with a horizontal base (and...
Curated OER
Volume and Surface Area of Polyhedrea
In this volume and surface area worksheet, students use given formulas to determine the volume and area of polyhedrea. This four-page worksheet contains examples, explanations and 32 problems. Answers are provided on the fourth page.
Curated OER
Geometry- Hands and Feet
Students identify units of measurement. In this measurement lesson, students predict the length and width of their hands and feet. Students discuss their findings and if their predictions were correct.
Curated OER
Measurement: Measuring Hand and Feet
Here is a good lesson which invites learners to practice measurement using standard and nonstandard measuring tools. For this measurement lesson, learners work with length, width, height, and area. They use standard and nonstandard...
Curated OER
Mondrian: Rectangles, Squares, & Balance, Oh My!
Young scholars investigate the art of Piet Mondrian. They conduct Internet research, discuss Mondrian's artwork, play a computer game, and create an original work of art using Appleworks 6.
Curated OER
Finding Area
Fourth graders explore how to find the area of a rectangular object. As a class, they discuss definition of area and strategies for finding area. The teacher models finding the area of an object by counting squares. Students observe...