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Lesson Plan
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Estimation Lesson Plan

For Teachers 3rd - 5th
Students use four different computer estimation applets with several classroom estimation activities.
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Lesson Plan
Curated OER

How Much Grass Should I Buy?

For Teachers 7th - 12th
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.
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Lesson Plan
Curated OER

Peter's String

For Teachers 4th - 6th
Students are introduced to the math problem and consider how they could approach it. In pairs, students investigate Peter's conjecture in any way they see fit. They then share their answers with the class.
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Lesson Plan
Curated OER

Paper Packaging Design

For Teachers 6th - 8th
Students discuss the relationship between technology and manufacturing. They then use their ideas to construct a model of a paper board carton package. Next they view a PowerPoint presentation to learn about the history of packaging...
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Unit Perimeters and Areas

For Teachers 9th - 11th
Students use Geometers SketchPad to find the area and perimeter of several shapes. In this geometry instructional activity, students determine area of rectangles and progress through irregular polygons. None of the referenced worksheets...
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Pythagorean Theorem Investigation

For Teachers 8th
Eighth graders investigate the Pythagorean Theorem and practice applying the theorem to various triangles. Finally, in the next lesson plan in the sequence, 8th graders create a song or a story to help them remember the Pythagorean Theorem.
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Lesson Plan
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Geometry Scavenger Hunt

For Teachers 6th - 10th
Young scholars use the digital camera, identify geometric shapes (in nature as well as man-made), and gain a better understanding of geometric vocabulary. They search for and recognize geometric shapes in unusual settings
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Area graphics for 7th graders

For Teachers 6th - 7th
Students randomly select dimensions for three geometric shapes (square, right triangle and circle). From the graphs they compare and contrast the graphical results of each shape.
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Lesson Plan
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Pea Brain! Explorations in Estimation

For Teachers 4th - 8th
Students estimate how many peas fit in a container. In this science lesson, students calculate the weight of a pea and record it. They use this data to calculate how many peas fit in a human brain.
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One Square Foot

For Teachers 2nd - 4th
Students identify, describe, count, tally, and graph life found in one square foot of land.
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Lesson Plan
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Learning by Sorting

For Teachers K - 2nd
Students sort Lego Duplo pieces after determining the attributes to classify them by. They work in pairs to sort a group of Duplo pieces and explain their process to others.
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Houses

For Teachers 3rd
Third graders use a number of problem solving strategies in this unit of lessons. They determine how to draw and model three-dimensional objects, use co-ordinate systems, determine probability of events, and identify paths of simple...
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Lesson Plan
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Square Pegs in Round Holes

For Teachers 6th
Sixth graders problem solve the square peg in the round whole problem by applying knowledge of the formulas for the areas of the circle and the square. They decide on a problem solving strategy based on logical reasoning.
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Lesson Plan
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Average

For Teachers 4th - 5th
In this number averages worksheet, students review how to find the average of a given set of numbers. Students then complete three word problems by averaging numbers.
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Lesson Plan
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Rice (Gohan) Observations

For Teachers 2nd
Second graders investigate rice or gohan as it's called in Japan in a couple of experiments. They tally the results.
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Mathematics: It's a Wrap!

For Teachers 9th - 12th
Students calculate the amount of wrapping paper needed to wrap boxes. They describe how they determined their answers.
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Congruent Triangles - Is This Enough Information?

For Teachers 7th
Seventh graders examine congruence postulates and apply knowledge to triangles in the world around them.
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Worms and more

For Teachers 3rd - 5th
Learners have early length experiences must develop an awareness of what length is, and of the range of words that can be used to discuss length. Young children usually begin by describing the size of objects as big and small. They...
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Prints and Outlines

For Teachers 1st - 2nd
Students determine the area of two objects by superimposing one on the other. They compare and order the area of different shapes by covering a larger shape with similar smaller ones. They complete these activities as different stations.
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Visiting Grandma

For Teachers 1st
First graders investigate the aspect of time, including days of the week using a calendar. They use problem solving strategies and a monthly calendar to find a solution to the problem.
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A thousand seconds

For Teachers 1st - 3rd
Students use seconds, minutes, and hours. They then discuss the size of a thousand. After that they read time in digital or analogue form.
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Parking Meters

For Teachers 3rd
Third graders are introduced to the problem with a short discussion about parking. They then solve with a partner. As they work ask questions that focus on the strategies they are using to make the calculations.
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Curated OER

Garry The Greengrocer

For Teachers 4th
Fourth graders are introduced to the problem by weighing objects on the balance scales. Use weights in both pans. (If you don't have access to scales use 2 containers and a child acting as the balance.) They then listen to the problem...
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Curated OER

Adam's Watch

For Teachers 3rd
Third graders use their watches to tell the time while the teacher lists their responses on the board along with the reasons for them (set incorrectly, gain/lose time). They solve the problem in pairs and focus their thinking on the...

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