Curated OER
Area of Shaded Region (rectangles and triangles)
In this online math activity, students determine the area of shaded regions within rectangles and triangles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Curated OER
Area
Third graders find areas of rectangles by using square units, apply knowledge to real-life situations, and simplify method of counting square units by multiplying the length times the width.
Curated OER
Area of Squares Word Problems
Each of these rectangles is split into rows and columns. Can your scholars determine how many squares result? The 10 word problems have space for learners to draw the shape and split it up to answer the question. Remind them that...
Curated OER
Using Tiling to Find Area
By splitting rectangles into four equal parts, scholars practice calculating area and determining side length. They begin by determining the area of each rectangle before segmenting it. Then, they use the space provided to split it into...
Curated OER
Finding Perimeter and Area
Geometers find the perimeter and area of rectangles. They discuss the definitions and characteristics of rectangles and squares. In groups, they use yarn to discover the perimeter of squares and rectangles. They count cubes to explore...
Curated OER
Using Tiling to Find Area
There is only one area calculation problem here, and the explanation is detailed below; consider projecting this as an all-class warm up. Scholars assess a rectangle with given length and width, calculating its area. Next, they break it...
Curated OER
Perimeter of Shapes
These squares and rectangles have length and width measurements with decimals; can young geometers determine the exact perimeter of each? Using a step-by-step example as guidance, they show work to find the perimeter of each of these...
Curated OER
Learning by Logic - Total Surface Area
Geometers calculate the area of plane surfaces using the formulas for the area of a square, rectangle, and triangle. They develop the formula for calculating the total surface area of two geometric solids: the cube and rectangular prism.
Curated OER
Math Maven's Mysteries
In these math word problem worksheets, students help solve the mystery about 'The Case of the Shifting Shapes.' Students solve the problem by completing a rectangle area problem and also determine where Rex Tangle will appear next.
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
Exploring Perimeter
Students explore perimeter. For this geometry and measurement lesson, students create squares and rectangles using given perimeters. Students construct four sided shapes with given perimeters using the computer program "Math Keys:...
Curated OER
Sorting and Counting Geometric Shapes
Practice counting, tallying, and sorting shapes with this math challenge. Scholars examine a group of shapes, tallying the amount in four categories: quadrilaterals, parallelograms, rectangles, and squares. Then, they color in any shapes...
Curated OER
Understanding Categories of Shapes
What are these shapes? Here are four shapes with some common attributes: they each have four parallel sides and four vertices. Scholars identify a rectangle, rhombus, square, and quadrilateral. Because there is an explanation written...
Curated OER
Attributes of Shapes Guided Lesson Explanation
Triangles, circles, and rectangles are featured in a colorful, one-page worksheet that defines and illustrates these shapes. Read the explanations with your first graders and have them count the number of shapes in a given box. Since the...
Curated OER
Circle, Count, and Color Shapes
Get your geometers familiar with shapes as they circle, color, shade, and count sets of rectangles, triangles, circles, squares, and trapezoids. For each of the 10 sets, they examine six figures and follow instructions to mark the...
Curated OER
Weight: Heavy or Light Worksheet
Which is heavier, a ladybug or a ship? Learners will have fun with this weight comparison worksheet, that uses visuals to help them determine which is heavier or lighter. They complete two comparisons for each. Lastly, they examine four...
Curated OER
Label the Shape Worksheet
Kindergartners demonstrate their ability to identify seven different shapes by labeling each of the 28 examples on the worksheet. Learners must be able to identify rectangles, diamonds, squares, ovals, triangles, circles, and pentagons.
Curated OER
Quick Recognizing Shapes Guide
Although there isn't anything for kids to complete in this shapes handout, they can use it as a guide for drawing shapes and recognizing their attributes. There are eight shapes described here: circle, oval, triangle, rectangle,...
EngageNY
More Problems on Area and Circumference
Perimeter check! Pairs work on finding the areas of semicircles and quarter circles using a relationship with squares. The problems challenge pupils to find areas of composite figures made from rectangles, semicircles, and quarter circles.
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
Curated OER
Perimeter and Area of Rectangles (A)
In this perimeter and area worksheet, students calculate the perimeter and area of rectangles that are measured in centimeters containing numbers with decimals. Students complete 4 problems.
Curated OER
Area of Squares and Rectangles
In this math worksheet, students complete 16 problems where they find the area of squares and rectangles with whole and decimal numbers. This worksheet would be an excellent homework assignment.
Curated OER
Area of Rectangles in Word Problems
Although there are grammatical errors in these word problems, they provide a good opportunity for scholars to practice calculating area. Each of the 10 scenarios gives measurements of a specific rectangular space, including units....
Illustrative Mathematics
Rectangle Perimeter 1
Creating an expression to represent the perimeter of a rectangle is a fundamental beginning skill in learning how to use and define variables. This activity starts with the basics and can be followed up with additional tasks.
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