Curated OER
Isosceles Right Triangle
In this isosceles right triangle worksheet, 10th graders solve and complete 5 different constructions of composition and decomposition. First, they make 4 congruent isosceles triangles with the model on the left. Then, students create...
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Flip's Flag
Fifth graders apply the symmetry and angle properties of polygons and use fractions to express the relationships between the areas of rectangles, squares, and triangles. They analyze various country flags and develop mathematical...
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...
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Boxes & Blocks: Square Play
Students add a new angle to block play with this spatial challenge. In this early childhood math instructional activity, students use creative-thinking, patterning, visual-spatial, and fine-motor skills to explore the different shapes...
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Picture Board
Learners divide a poster board so everyone gets the same amount of area to decorate. Youngsters talk about the different ways to divide a rectangle. They measure their lines to make sure that each piece is equal and then decorate their...
Illustrative Mathematics
What Shape Am I?
Sharpen your pencil and grab a ruler, it's time to draw some quadrilaterals! Given the definition of a parallelogram, rectangle, and rhombus, learners draw examples and nonexamples of each figure. The three definitions are...
Curated OER
Tiling Tessellations
Learners explore tessellations. In this shapes and geometry lesson, students describe the attributes of many of the shapes displayed on an Elmo. Learners create examples of tessellations using pattern blocks.
Common Core Sheets
Determining Rectilinear Area
Third graders find the area of rectilinear shapes by partitioning them into two non-overlapping rectangles and adding the areas of the non-overlapping parts together. It allows learners to recognize area as an additive.
Curated OER
Area of Rectangles
In this area of rectangles learning exercise, students find the area of 60 rectangles in units squared. Problems appear 6 per page, 10 pages plus answers. A website reference for additional resources is provided.
Curated OER
Circus of Shapes: Rectangles
In this shapes activity, students look at a set of shapes that included triangles, rectangles, circles, ovals and squares, coloring all of the rectangles given. Worksheet includes a link to additional activities.
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...
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Guided Notes on Area
In this area worksheet, students 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.
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Algebraic Manipulation
In this algebraic manipulation worksheet, students examine a given number grid, find the pattern and determine an equation to fit the situation. They calculate the area of given rectangles. Students solve real life problems using given...
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Worksheet One
In this area worksheet, students multiply to find the area of a rectangle. They are told that this is the floor plan of an attic. Students compute the number of rolls of insulation needed to cover the floor as well as the total cost to...
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Extra Review
In this quadratic formula worksheet, students solve and complete 22 different types of problems. First, they solve each equation by completing the square and applying the quadratic formula. Then, students graph each function provided and...
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Unit 8 Algebra: Brackets
In this expansions worksheet, students use area to solve expansions of brackets problems. There are 4 of this type, each problem having less guidance than the previous. The second activity asks kids to solve magic square puzzles using...
Curated OER
Intermediate Matching -- Shapes
Students match the following 10 shapes by drawing a line from their names to their pictures: circle, square, rectangle, cylinder, cube, sphere, oval, triangle, octagon and hexagon. This geometry learning exercise provides excellent...
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Geometry Worksheet: Area (4)
In this geometry worksheet, students calculate the shaded area of given shapes. They determine the area around a circle, a portion of a rectangle, and composite figures. THis one-page worksheet contains two multi-step...
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Area of Polygons #2
In this area of polygons worksheet, students find the area of rectangles. They find the width when given the area. Students graph rectangles and solve word problems involving rectangles. This three-page worksheet...
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Attributes & Nets of a Cube
Third graders engage in a lesson that focuses on the attributes and forming of a cube. They construct a cube using different combinations while comparing a square with only two-dimensions. Students fold paper while following the...
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Area of 2D Shapes Multiple Choice
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.
Curated OER
Making Two-Dimensional Shapes
Use this introductory geometry learning exercise as a projected warm-up for your class, doing it together and then revealing the explanation on the bottom half. Learners examine a square and a circle, each bisected by a dotted line. They...
Curated OER
From a Square to a Rectangle
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...
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Squares Have Roots?
Young scholars define a square and connect this information to a square root. For this square root lesson, students make a chart listing square numbers and their roots.
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