Not all structures take the shape of a polygon. The 21st lesson in a series of 29 shows young mathematicians they can create polygons out of composite shapes. Once they deconstruct the structures, they find the area of the composite figure.

Using TI-89, mathematicians explore and investigate Riemann sums to estimate the area under the graphs of intervals by drawing and illustrating rectangles. They review and practice the concepts of summation notation and area formulas to...

Students examine a variety of real life situations in which they must access information, select an appropriate formula, and calculate an answer. A rectangular piece of grass provides an opportunity for the exploration of this lesson.

Students study a variety of geometric shapes by taking pictures of items representing the shapes with a digital camera. They identify the shapes by using software to paint on the image.

In this quadrilaterals worksheet, 10th graders identify 10 different figures as they relate to quadrilaterals. They identify and/or make each quadrilateral illustrated on the sheet, including a trapezoid and a parallelogram.

In this three-dimensional shapes worksheet, 6th graders identify and complete 4 different questions that include various types of three-dimensional shapes. First, they identify the shape illustrated as it relates to a cube. Then,...

In this geometry puzzle worksheet, students identify and complete a puzzle that includes 7 different geometrical shapes. They identify and name each shape listed at the bottom. Then, students label every shape in the puzzle with the...

In this geometry worksheet, students see a train design with the engineer. All are made with circles, triangles, rectangles or squares. Students read the directions about which color each shape should be.

In this letter recognition worksheet, students read and follow 6 specific directions on how to color the picture. Students analyze both upper and lower case forms of letter A, as well as finding the correct geometric shape. Example: "...

In this literature response worksheet, learners examine a character from a book they have read. Students write the name of one character in the octagon, then write one character trait in each of the ovals. Finally, the learners write one...

In this online math worksheet, students concentrate on completing a variety of math problems including changing three given parts to whole units, four money problems, shading in four rectangle math equations and filling in the missing...

In this expressions worksheet, students solve and complete 30 various types of problems that include defining both verbal and algebraic expressions. First, they translate each verbal expression into an algebraic expression and vice...

In this factoring polynomials worksheet, 9th graders solve and complete 33 different multiple choice problems. First, they determine the equation that best represents a simplified form after factoring out the GCF. Then, students...

In this determining the number ten worksheet, students trace and print the number ten and color ten rectangles. Students complete two activities.

In this finding the ratio worksheet, students solve fractions of a share, fraction of the total, total number, length, and perimeter of a rectangle by using ratios. Students solve ten word problems.

In this "The Lady With the Alligator Purse" worksheet, students complete multiple worksheets to trace the words in the short story, use alligator purse squares to add one-digit problems and doctor rectangles to subtract, draw hands on...

For this recording the weather worksheet, students cut out rectangles labeled "Today's Weather" with the date, look outside to determine the weather, and draw or write it on the cards. Students record eight days of weather.

In this recognizing a square, ovals, rectangle, and triangle worksheet, learners observe boxes containing various shapes and follow the directions to identify and color each specific shape. Students color 8 shapes.

In this measuring perimeters worksheet, students measure the perimeters of each rectangle to the nearest centimeter. Students solve 6 problems.

In this geometry worksheet, students construct polygons and calculate the different angles formed by each shape. They construct circles, trapezoids, and rectangles and answer 20 questions.

In this working with fraction and percentage worksheet, students complete fractions, write fractions in simplest form, write fractions in order of size, calculate fractions of whole numbers, solve word problems, add and subtract...

For this geometry worksheet, students calculate the area and different polygons such as squares, parallelogram, and rectangles. There are 15 questions with an answer key.

In this geometry instructional activity, 10th graders are given shapes of rectangles and circles. They calculate the perimeter and circumference of the different polygons given values for the diameter or sides. There are 10 questions...

For this geometry worksheet, students find the area and perimeter of 6 different compound shapes containing squares, rectangles, triangles, and half circles.