Worksheet
Curated OER

Geometry

For Students 2nd - 3rd
In this rectangles and shapes worksheet, students complete a variety of exercises including counting the number of faces on a solid object, coloring solids to match nets and coloring plane shapes. Students check their answers online as...
Worksheet
Curated OER

The Distributive Property

For Students 8th - 10th
In this distributive property worksheet, students complete 10 short answer problems. Each problem asks students to work first using order of operations, and then using the distributive property. The final problem applies this to the area...
Lesson Plan
Curated OER

Areas of States - Estimation

For Teachers K - 8th
Students estimate the area of states using the formulas for the areas of rectangles, squares, and triangles. In this geometric shapes lesson plan, students divide irregular shaped states into shapes. They use the formulas for areas of...
Worksheet
Curated OER

Perimeter

For Students 6th - 8th
In this perimeter worksheet, students calculate the perimeter of rectangles.  This one-page worksheet contains 6 perimeter problems.
Worksheet
Curated OER

Perimeter

For Students 2nd - 4th
In this solving the perimeter of rectangles worksheet, students use the given measurements to find the perimeters. Students solve 6 problems.
Interactive
Curated OER

Area of 2D Shapes Multiple Choice

For Students 7th - 10th
In this area activity, students compute the area of circles, parallelograms and rectangles.  This one-page activity contains 5 multiple-choice problems.  Answers are provided in this online activity.
Worksheet
Math Mammoth

Special Products

For Students 6th - 8th
In this math activity, students write a four-part expression for the area of the whole rectangle and simplify it. They also practice multiplying the binomials.
Worksheet
Curated OER

Learning Colors and Shapes

For Students 2nd - 4th
In this colors and shapes instructional activity, students look over a box full of different shapes, color the triangles red, squares blue, rectangles yellow, ovals green, circles purple and the diamonds orange.
Worksheet
Curated OER

Perimeter and Area of Rectangles (B)

For Students 4th - 5th
In this calculating perimeter and area worksheet, students find the dimensions of metric rectangles with decimals. Students solve 4 problems.
Lesson Plan
1
1
Curated OER

A Rectangle in the Coordinate Plane

For Teachers 7th - 9th Standards
A quadrilateral is drawn on the coordinate plane, and eighth grade geometers find the length of each side and the diagonals by applying the Pythagorean theorem. 
Worksheet
Curated OER

Trace, Color, and Draw a Rectangle

For Students Pre-K
In this geometry worksheet, students trace dotted lines to draw a rectangle. They color a stack of rectangles, and draw a rectangle independently.
Worksheet
Curated OER

Number Sense and Numeration: Multiples, Factors and Square Roots

For Students 6th - 8th
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
Lesson Planet Article
Curated OER

Area and Perimeter Activities

For Teachers 3rd - 5th Standards
Read this article before you begin teaching geometry! It gives teachers some insight into the world of teaching geometry to young learners, and four area and perimeter lessons are attached. 
Lesson Plan
Curated OER

Rectangles and Squares

For Teachers K - 1st
Young scholars identify two dimensional shapes in the school environment. For this basic shapes lesson, students watch a video about rectangles and squares. Young scholars find examples shapes in their classroom and draw them. Students...
Lesson Plan
Curated OER

Exploring the Golden Rectangle

For Teachers 9th - 12th
Students will construct a golden section and a golden rectangle and study their characteristics and connections with the Fibonacci series. They import pictures from the internet and download them into the Sketchpad. Using their "golden"...
Worksheet
Curated OER

Rectangles That Are Related

For Students 4th
In this rectangles worksheet, 4th graders draw a rectangle with the same area as one displayed on the worksheet and then find the perimeter of each.
Lesson Plan
Curated OER

Making Rectangles

For Teachers Pre-K - 3rd
Students study rectangles. In this math instructional activity, students use numbers, measurements and geometry to draw rectangles of varying sizes.
Lesson Plan
Curated OER

From a Square to a Rectangle

For Teachers 8th
Eighth graders solve problems involving percentage increases and decreases. Using given percentages, 8th graders transform a square into a rectangle. They apply the area formulas for squares and rectangles.Students observe the percent...
Worksheet
Curated OER

Geometric Shapes: Square, Rectangle, Circle, Triangle

For Students 2nd - 3rd
In this math worksheet, students learn to recognize the square, rectangle, circle and triangle and discover the attributes of each. There are 15 pages available here.
Worksheet
Curated OER

Dilations and Similarity

For Students 8th - 10th Standards
For this dilations and similarity worksheet, pupils solve 10 different problems that include various dilations. First, they determine the scale factor of dilations found in the illustrated graphs. Then, everyone determines the...
Assessment
Concord Consortium

Rectangulating

For Students 9th - 12th Standards
Use rectangles to find distances. Given a rectangle and three associated triangles, pupils determine the area of the triangles. Scholars know the three triangles have equal areas along with the perimeter of the rectangle and two other...
Worksheet
2
2
K12 Reader

Shapes on a Plane

For Students 2nd - 3rd Standards
Geometric shapes are the focus of a comprehension exercise that asks readers to examine a short passage about planes, circles, triangles, and rectangles, and then to respond to a series of questions about the article.
Lesson Plan
Curated OER

Applied Science - Science and Math (K) Lab

For Teachers K
In this shape lesson, learners cut out tangram shapes and create different pictures with them. They look at 3-D shapes as well. There is a nice, hands-on component built into this lesson.
Interactive
National Council of Teachers of Mathematics

Scale Factor

For Students 6th - 12th Standards
Does doubling mean everything doubles? Learners adjust the scale factor between two rectangles. Using the calculated measurements, pupils investigate the ratios between the lengths, perimeters, and areas of the rectangles.

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