Curated OER
Secants, Tangents and Arcs
Learners identify chords and angles. In this geometry lesson, students calculate the length of the chords inside and outside of-the circle. They differentiate between tangent and secant lines.
Mathematics TEKS Toolkit
Grade 6: Exploring c/d = pi
Introduce your math class to the perimeter of a circle. Teach them that pi describes the relationship between the circumference and the diameter. As a hands-on investigation, pairs or small groups use string to compare these two values...
Curated OER
Arc Length Lesson
Students find the length of the arc of a circle. In this geometry lesson, students calculate the length of an arc and find the measure of the central angle given the length of the arc. They convert between linear and angular speed. They...
Curated OER
Arcs and Angles Formed by a Tangent and a Chord
In this math worksheet, 10th graders solve problems involving a tangent line intersection the arc and forming various angles. There are 6 problems to be solved.
Curated OER
Looking for More Clues
Fifth graders explore how to collect data and display it on a bar and circle graph.
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Angles in Standard Positions
Students identify positive and negative angles using the Unit Circle. In this pre-calculus activity, students identify the different angles on a unit circle using the coordinate plane and the four different quadrants as a guide. They...
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Box-and-Whisker Plots
Eighth graders measure in feet and inches and convert to explore the relationship between the converted measurements. In this measurement lesson, 8th graders use the whisker and box plot to represent the measurement of a cat. ...
Curated OER
BMX Math
Students investigate circles using a BMX path. In this circles lesson, students use technology of various kinds to create a BMX track. They use Moodle to develop their lesson and as they investigate the area and perimeter of a circle....
Curated OER
Constancy and Change
Second graders investigate how objects can move in different ways. They move in different ways across the room and develop a class list of movement words. Students also conduct a measuring motion experiment, create a bar graph for the...
Curated OER
Math Who Am I?
For this math vocabulary worksheet, learners read each description of a math term and write the word on the blank line. They circle every third letter in each letter box next to the clue to check their answer. They complete 8 definitions.
Curated OER
Right Triangles
In this right triangles worksheet, 10th graders solve and complete 5 various types of problems. First, they solve each of the triangles shown and find the area of each triangle. Then, students find the perimeter and area of the regular...
Curated OER
THE AREA OF A CIRCLE
Students examine the relationship between circumference and diameter and how to use the formula to find the area of a circle. In this circle lesson students divide into groups and complete an activity.
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The Circumference and Diameter of a Circle
Ninth graders investigate the finding of the diameter of a circle in order to extend the practice towards finding the circumference. They differentiate between the distance measured across a circle from that of around the perimeter.
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Circular Motion
Ninth graders explore circular motion. In this centripetal force lesson students complete a lab activity while in groups.
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Measuring the Sun's Diameter
Students project and measure the suns image using a refracting telescope. In this sun's diameter lesson students calculate the magnification of the telescope and determine the diameter if the Sun.
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Measurement Temperature: Celsius
For this Celsius worksheet, learners review the Celsius scale and then mark temperatures for the first thermometer. Students then study the temperatures on the thermometers and write the temperatures.
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Quiz: Angles and Arcs in Circles - Central and Inscribed
In this angles and arcs in circles instructional activity, students determine the angle and arc measurement in a circle from given information. This one-page instructional activity contains ten problems.
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Logic and Measurement Mixed Worksheet
In this logic and measurement worksheet, students count the number of circle and triangles in 2 figures before extending that number to larger patterns. They determine the number of hours in given time periods, and determine if 4...
Curated OER
Shopping the Sunday Circular
Pupils demonstrate an understanding of price-per-unit mathematics. For this computation lesson, learners accurately figure the unit price of grocery items. They create a chart and record the item, the price, the size and the cost per item.
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Measurement: Cylinders
Math scholars observe and demonstrate how to calculate the surface area and volume of cylinders. They analyze pictures of various cylinders on a handout, solve problems on two worksheets independently, and discuss the answers to the...
Curated OER
Generate Measurement Data Word Problems
Using a set of simple data, learners create a line plot to organize the information. This data includes only single-digit numbers and the highest number is six. Because the answer is explained and illustrated at the bottom, project this...
Beacon Learning Center
The Fun Polygon
Junior geometers use hands-on manipulatives to explore and describe the properties and attributes of a fundamental polygon, the triangle. They learn different kinds of angles and their measurements. This well-written lesson plan provides...
Curated OER
Task: Grain Storage
Farming is full of mathematics, and it provides numerous real-world examples for young mathematicians to study. Here, we look at a cylinder-shaped storage silo that has one flat side. Given certain dimensions, students need to determine...
Curated OER
Chords of Circle
In this geometry activity, 10th graders solve problems using parallel chords, perpendicular bisectors and chords that are equal distance from the center.