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567 resources with the concept rectangles

Area and Perimeter of Rectangles: Lesson Video

Area and Perimeter of Rectangles: Lesson

3 mins 4th - 9th
CCSS: Adaptable
New ReviewAround and in—take a different look at rectangles. A portion of a basic geometry playlist discusses the area and perimeters of rectangles. Using the formulas, the presentation works perimeter and area examples with rectangles and squares.
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Quadrilateral Quandary Lesson Plan

Quadrilateral Quandary

9th - 11th
New ReviewClassify quadrilaterals quickly. After playing a game to identify quadrilaterals, your young scholars should come away with knowledge of the properties of quadrilaterals. They then apply this knowledge to create a decision tree to ease...
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Word Splash Presentation

Word Splash

6th
CCSS: Designed
A simple PowerPoint presentation asks young mathematicians to write sentences using key vocabulary words relating to shapes and solid figures.
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Exploring Diagonals and the Pythagorean Theorem—Corner to Corner Lesson Plan

Exploring Diagonals and the Pythagorean Theorem—Corner to Corner

6th - 8th
CCSS: Designed
Pythagoras sure was a smart man. Learners explore diagonals of rectangles by measuring a few of them with a ruler in the second and final installment of a two-part series. Based on the results, they try to come up with a relationship...
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Classifying Parallelograms: Lesson Video

Classifying Parallelograms: Lesson

4 mins 8th - 11th
CCSS: Adaptable
Properly organize parallelograms. Given special parallelograms, the narrator of a short video explains the properties of each. The section of a playlist on geometry uses the properties to classify the special parallelograms.
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Finding the Area of Trapezoids—Area Formulas Lesson Plan

Finding the Area of Trapezoids—Area Formulas

6th - 8th
CCSS: Designed
Trapezoids can be tricky! Math scholars work together to determine the area formula for trapezoids in section two of a four-part series of lessons. The resource uses a mixture of individual and collaborative work to guide learners...
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Finding the Area of Parallelograms—Area Formulas Lesson Plan

Finding the Area of Parallelograms—Area Formulas

6th - 8th
CCSS: Designed
More than just a rectangle that's been pushed around, parallelograms present their own unique challenges! The third instructional activity in a four-part series of area formula lessons examines the quirky parallelogram. Geometry scholars...
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Constant Dimensions Lesson Plan

Constant Dimensions

6th - 8th
CCSS: Designed
You can't often tell pupils that units don't matter ... but in this case, you'd be right! Math scholars discover the magic of the constant dimensions of a rectangle through a creative lesson. Partners perform measurements of rectangles...
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Understanding Rational Numbers and Proportions Lesson Plan

Understanding Rational Numbers and Proportions

6th - 8th
CCSS: Designed
Introduce young scholars to rational numbers and proportions with a unit that takes the cake! Three delicious bakery-themed activities guide the class in a variety of ways to model fractions and determine equivalence of parts of a whole....
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Classifying Quadrilaterals in the Coordinate Plane: Lesson Video

Classifying Quadrilaterals in the Coordinate Plane: Lesson

4 mins 8th - 11th
CCSS: Adaptable
Coordinate the classification of quadrilaterals. Given the definitions of special quadrilaterals, a portion of a geometry playlist highlights ways to classify a quadrilateral. The video takes information from figures on a coordinate...
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Diagonals to Quadrilaterals Lesson Plan

Diagonals to Quadrilaterals

9th - 12th
CCSS: Adaptable
Begin from the inside and work outward. Pupils construct quadrilaterals based upon the descriptions of the diagonals. Pairs then work through several configurations of diagonals and determine the types of quadrilaterals they can form....
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Geometrica Fights Back Lesson Plan

Geometrica Fights Back

9th - 12th
CCSS: Designed
Who killed the Circular family? Learners tackle an unsolved murder of the Circular family. Given a list of descriptions of the culprit, pupils narrow down their list of suspects to find the killer. The descriptions involve properties of...
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Quadrilaterals, An Overview Video

Quadrilaterals, An Overview

3 mins 6th - 10th
Four sides hath rhombi, rectangles, squares, trapezoids, and parallelograms. Scholars learn different classifications of quadrilaterals by watching a short video from the Socratica Geometry series. They see how sides and angles help...
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Farm Printables Collection
11 Item

Farm Printables Collection

Pre-K - 2nd
Teach your class about the farm with the ABCmouse.com! This collection includes coloring pages, a word search, and color-by-numbers pages. Access these and thousands of other resources for Preschool through 2nd grade at www.ABCmouse.com/Teachers. Create your FREE ABCmouse for Teachers account to visit the ABCmouse farm—perfect for a virtual field trip!
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Writing Equations for Perpendicular Lines Assessment

Writing Equations for Perpendicular Lines

9th - 12th
CCSS: Designed
Make the right connections between the equations of perpendicular lines. Pupils find the equation of a line perpendicular to another line in the context of finding the equation of a side of a geometric figure. Learners write their...
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Writing Equations for Parallel Lines Assessment

Writing Equations for Parallel Lines

9th - 12th
CCSS: Designed
Make connections between geometry and algebra concepts. Using a point on a side of a geometric figure and the equation of the line that contains the parallel opposite side, learners find the unknown equation of the line. They write the...
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Transformations of Rectangles and Squares Assessment

Transformations of Rectangles and Squares

9th - 12th
CCSS: Designed
Young mathematicians create a list of transformations that carry a rectangle and a square onto themselves. They take into account both reflections and rotations.
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Slice It Assessment

Slice It

9th - 12th
CCSS: Designed
Who cut the cheese? Given a drawing of a wedge of cheese, pupils determine the 2-D figure cross-sections. They draw and describe the cross-sections created by making slices perpendicular and parallel to the base.
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Proving a Rectangle Is a Parallelogram Assessment

Proving a Rectangle Is a Parallelogram

9th - 12th
CCSS: Designed
Take the time to prove what seems obvious. The resource provides pupils a figure of a rectangle, which they use to develop a proof showing that the rectangle is also a parallelogram. Scholars must rely on the definition of a rectangle to...
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Perimeter and Area of a Rectangle Assessment

Perimeter and Area of a Rectangle

9th - 12th
CCSS: Designed
Coordinate the perimeter and the area. Given a rectangle on the coordinate plane, pupils determine its perimeter and area. The rectangle contains vertices in three of the four quadrants, and scholars can use the Pythagorean Theorem,...
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Quadrilaterals Video

Quadrilaterals

10 mins 4th - 8th
CCSS: Adaptable
Introduce the class to the quad in quadrilaterals. The presentation provides the names and definitions for the basic special quadrilaterals. A graphic shows the connections between the types of quadrilaterals introduced. The video points...
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Diagonals to Quadrilaterals Interactive

Diagonals to Quadrilaterals

9th - 12th
CCSS: Adaptable
Pupils explore the types of quadrilaterals formed by restricting the relationships of the diagonals. The resource presents diagonals that are perpendicular bisectors, bisectors, and congruent perpendicular bisectors. Using the...
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Proving Congruent Diagonals Assessment

Proving Congruent Diagonals

9th - 12th
CCSS: Designed
There's something special about the diagonals of rectangles. Young mathematicians prove a theorem about a given rectangle. Specifically, they must show that the diagonals are congruent.
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Diagonals to Quadrilaterals Interactive

Diagonals to Quadrilaterals

9th - 12th
CCSS: Adaptable
Restrict the diagonals and name the quadrilateral. Class members move two diagonals about and investigate the types of quadrilaterals that can be formed. The interactive allows for the diagonals to be congruent, perpendicular and bisect...
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