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572 resources with the concept rectangles

Pythagoras Rectangles and Isosceles Triangles Video

Pythagoras Rectangles and Isosceles Triangles

6 mins 7th - 12th
CCSS: Adaptable
New ReviewWhen does the Pythagorean Theorem come in handy? An intriguing video uses the Pythagorean Theorem to solve problems other than simply finding the length of a side of a right triangle. Pupils find the diagonal of a rectangle and the...
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Area of a Rectangle Video

Area of a Rectangle

2 mins 6th - 8th
CCSS: Adaptable
Model finding the area of a rectangle using a helpful video lesson. Young scholars watch as the instructor shows how to find the area of a rectangle. Additionally, the instructor shows how to calculate the length or width when given the...
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Viewmongous TV Activities & Project

Viewmongous TV

6th - 8th
CCSS: Designed
Just how big of a TV do you need?! The task at hand asks individuals to compare the area of 80-inch and 55-inch TVs. The length of the TV is given and learners must use the Pythagorean Theorem to determine the width to calculate the areas.
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Names of Quadrilaterals Video

Names of Quadrilaterals

3 mins 4th - 8th
CCSS: Adaptable
They've all got four sides, but some have more interesting properties. Scholars learn the names of quadrilaterals. They also explore some properties of these quadrilaterals, including congruent angles, congruent and parallel sides, and...
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Find the Width of a Rectangle Given the Perimeter Video

Find the Width of a Rectangle Given the Perimeter

5 mins 7th - 10th
CCSS: Adaptable
Gardening sure requires a lot of math! Scholars determine the width of a rectangular garden box given its length and perimeter. They then solve for w in the perimeter formula at the conclusion of the brief YouTube video.
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Sticky Stickies Activities & Project

Sticky Stickies

6th - 10th
CCSS: Designed
Don't let your classes get stuck on area calculations—grab their attention with an inquiry-based lesson! Scholars must develop a plan to determine how may sticky notes it takes to cover the surface of a door. They decide on the...
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Pool Capacity Activities & Project

Pool Capacity

6th - 8th
CCSS: Designed
Here's hoping that we can all fit into the pool. Given pictures and dimensions of a pool in tile lengths, scholars decide how many people can fit into the pool. This requires consideration of area, as well as the application of some...
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Area and Perimeter of Rectangles: Lesson Video

Area and Perimeter of Rectangles: Lesson

3 mins 4th - 9th
CCSS: Adaptable
Around 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
Classify 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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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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