Curated OER
The Minimal Distance Point from the Vertices of a Triangle
Students calculate the distance from the vertex of a triangle to the center. In this geometry lesson, students find the shortest distance between a point and the vertex of a triangle. They relate this concept of distance to the real world.
Curated OER
Pet Shop Decision
Students are given the "Pet Store Decisions" task sheet and a rubric that goes with it. Students discuss the task and make a plan for using the rubric sheet to complete the task. Students formulate questions, studies and data collection...
Curated OER
Measurement and Estimation
Students gain an understanding of time. In this time lesson, students work together to recognize the difference between yesterday, today, and tomorrow, As well as months, hours, minutes, and seconds. Students brainstorm ideas of ways the...
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Do You Feel Lucky?
Students calculate simple probabilities using mathematics then roll dice to test their predictions.
Curated OER
Curiosity Does Not Kill The Cat
Learners list the different ways they could test a guinea pig, a dandelion, and their brother (or sister)? They create a data chart in their group that lists the organism, what they could measure, and how they could change that measurement.
Curated OER
Investigating Trigonometric Ratios Through Similar Right Triangles.
49Students investigate the properties of right triangles. In this geometry instructional activity, students differentiate between similar and congruent triangles. They use the Pythagorean Theorem to find the missing angles and sides.
Curated OER
Investigating Trigonometric Ratios Through Similar Right Triangles
Students identify similar and congruent right triangles. For this geometry lesson, students use trigonometric ratios to identify missing sides and angles of a triangle. They differentiate similar and congruent triangles.
Curated OER
Dimension and Rank
Students determine the dimension of a subspace. In this dimension and rank lesson, students explore the dimension of a vector space. They compare and explore the relationship in a matrix.
Curated OER
Investigating Area and Perimeter of Polygons.
Student sinvestigate the area and perimeter of polygons. They differentiate between similar and congruent polygons.. They identify the ratio and proportions of the sides and angles of polygons.
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Building Budgets
Learners explore New York City's bid to host the 2012 Olympic Games. They estimate budget allocations for such a proposal while practicing the calculation of percentages.
Curated OER
Measuring the Classroom
Learners measure their classroom and determine the area. They discuss the margin of error. Each class member will write up their results separately. Students must decide what measurements to make, and attempt to measure accurately.
Curated OER
Fractions, Decimals, and Percents
Sixth graders engage in a instructional activity that explores the conversion process of fractions, decimals, and percents in relationship to their values to each other. Students demonstrate how to convert numbers interchangeably between...
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Can You Canula?
Young scholars calculate the circumference of a circle. In this geometry lesson, students measure the diameter of a circle using micrometers or calipers. They investigate the relationship of the diameter to that of the value of Pi.
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CEENBoT Takes a Dive
Students create a map to scale using technology. In this algebra lesson, students navigate through a shipwreck to perform rescues. They use he CEENBoT program to perform the different tasks.
Curated OER
Measuring Up To Standards
Fourth graders use Unifix cubes to estimate standard measurements of length, weight, and capacity. After practicing, 4th graders complete an individual assessment by the teacher where they are asked questions about measurement and...
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Numbers System Conversions
In this number system conversions worksheet, students explore, analyze and develop mastery skills in converting between alternative number systems.
Curated OER
Lesson 2: Ultimate Classroom - Web Model
Students create a scale drawing. In this ultimate classroom lesson, groups of students create a scale drawing of the ultimate classroom. They explore the and explain the constructed design.
Curated OER
Heron's Formula
Learners use Heron's formula to calculate the area of a triangle. In this geometry instructional activity, students use three different methods to solve the area of a triangle. They find and construct the incentor and angle bisector...
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Special Right Triangles
Learners identify different types of special right triangles. In this geometry lesson, students differentiate between right triangles and isosceles triangles. they construct the triangles using geometry software and make conjectures...
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Discovering The Ratio Pi And The Diameter
Students relate the ratio of Pi to the diameter of a circle. In this geometry lesson, students investigate the relationship of the chord of the circle the the number Pi. They define ration, chord, circumference and diameter and find...
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Investigating Pythagorean Triples
Students investigate and solve Pythagorean triples. In this geometry instructional activity, students find the missing sides and angles of a right triangle. They graph right triangles and move the sides around to create different angles.
Curated OER
Investigating the Pythagorean Triples
Pupils investigate the Pythagorean triples. In this geometry lesson, students solve for different parts of a right triangle. They identify the missing side or angle using the pythagorean theorem.
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Developing the Concept Division
Students use manipulatives to explain the concept of dividing multi-digit numbers.
Alabama Learning Exchange
Watch That Plant Grow
Middle schoolers examine the growth of marigolds in a greenhouse environment. They chart data in spreadsheets showing plant growth over time and under a number of conditions. They record measures of plant height and greenhouse temperature.