Curated OER
How Long is a Slinky?
Young scholars take part in a variety of measurement tasks. Students measure the length of a slinky. Young scholars work out how many slices of tomato will fit around the edge of a pizza. Students measure the label from a can accurately.
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Oranges and Stopwatches
Students begin to recognize that objects have many measurable attributes. They examine how to identify and accurately measure attributes of common objects. Also Students report their measurement findings.
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Teaching the Tr'panier Trapezoid Kite
Learners analyze how the parts of a system go together and how these parts depend on each other. They comprehend the forces in terms of strength and direction. Students observe, measure and describe weather indicators.
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Properties of Fractals
Young scholars build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by...
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Proposed Problems
In this math worksheet, students read the information about an isosceles triangle. The ratio of the lengths of two sides is equal. They determine the exact measures of its angles.
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Interpreting and Displaying Sets of Data
Students explore the concept of interpreting data. In this interpreting data lesson, students make a line plot of themselves according to the number of cubes they can hold in their hand. Students create their own data to graph and...
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Altitude Tracking
Learners estimate the altitude of a rocket during several flights. They create their own altitude tracking devise. They examine and discuss their results at the end of the activity.
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Circles 1, 2, 3, 4
Here is a way to help your charges identify circles and spheres. In this shapes geometry and technology lesson, students identify and draw circles and explain the related attributes. They recognize circles and spheres while exploring...
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Exploring the Definition of Reflection
Students practice using a protractor and ruler to draw various points and lines. Using a computer, they draw the points and lines in the program and describe the differences between their drawing and the computer's drawing. They complete...
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Connecting Formulas Related to Geometric Figures
Students identify diagrams of quadrilaterals and circles by different names and classify the figures. They name the areas for each diagram and practice solving the formulas for each.
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Mapping a Site Using a Coordinate Plane
Learners map their playground as if it were an archeological site. They locate objects on the playground and determine their location using coordinate points. A related lesson is Coordinate Grid: Mapping an Archeological Site.
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You Can't Go Wrong with a Right Triangle 1
Fourth and fifth graders study the Pythagorean Theorem and apply it to find the missing side of a right triangle.
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The Laws of Sines and Cosines Made Simple!
Students study the law of sine and cosine. In this pre-calculus lesson, students create a triangle and identify the different ratios of a non-right triangle. They use the properties of sine and cosine to solve.
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Workshop Lesson: Digital Camera
Students perform an activity in small groups in order to investigate different types of shapes found in photographs taken with a digital camera. The integration of technology is used to engage students in the lesson.
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The Pythagorean Theorem
Students research Pythagoras and learn how to apply his theorem. They solve real life problems using the theorem and demonstrate knowledge of exponents, equations, and radicals. Students include diagrams in their research papers.
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Roundup Shapes
Shapes are all around us! Kindergartenrs identify shapes in their world and guess the shape being described. They participate in a shape hunt.
Arizona State University
Roundup Shapes
Let's study 2-D shapes! Young mathematicians compare and classify shapes according to attributes. They evaluate shape riddles and predict the shape being described. Here is the website where you can find the...
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Coordinate Geometry
Grab your class and get them graphing polygons on a coordinate plane! They investigate the four quadrants, discover the x and y axis, and correctly plot ordered pairs. To show their comprehension, each child creates a coordinate picture...
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Transformations Using the Geometer's Sketchpad
Students discover rules for single transformations, rules for composition of transformations, when a figure has transformation symmetry, and if a transformation is congruent to its preimage.
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Using Trigonometry
Fifth graders explore the use of trigonometry to find unknown sides and angles in right-angled triangles, taking the concepts that were developed in the previous unit and looking at different ways of practicing the new skills. Students...
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Triangle Explorer
Students compute the area of triangles in a computer program. In this measurement lesson plan, students complete 5 easy, 5 medium, and 5 hard problems.
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Average Looking
Students use measurements of their classmates to find the average (means and modes) of their facial features. They use their findings to create a three-dimensional "class head." Examples and assessment materials are included.
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The Distance to an Unapproachable Point
Students use geometry or trigonometry to measure the distance of a far off point. They verify their measurements using a tape measure to check their work.
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Displacement Problem Set
Students calculate the length of a side of a triangle using a trigonometric function. They calculate the measure of an angle given two sides of a triangle with a trigonometric function.