G-6 Circle.ppt
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This document provides definitions and concepts related to circles for a 6th grade mathematics class. It defines key circle terms like diameter, chord, radius, and center. It includes diagrams to illustrate these terms and provides a short quiz for students to test their understanding. The lesson is designed to be 45 minutes and student-centered to teach students about basic circle concepts.
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2) It provides examples of circles in daily life, music, and sports. Musical instruments and the Olympic rings logo are given as examples.
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- If the discriminant is positive, there are 2 solutions
- If the discriminant is 0, there is 1 solution
- If the discriminant is negative, there are no real solutions.
Several examples are provided to demonstrate calculating the discriminant and using it to determine the nature of the roots. The key aspects are to identify the coefficients a, b, and c and then evaluate and compare b^2 - 4ac to determine how many solutions exist.
PROPORTIONALITY THEOREM.pptx
This document discusses proportionality theorems and special right triangle theorems. It then provides 3 learning tasks involving solving word problems about special right triangles, asking for lengths of sides and heights in simplest radical form. The first problem involves a 45-45-90 right triangle with a base of 6 ft, asking for the height and hypotenuse. The second problem involves finding the height of an equilateral triangle with a side length of 34 inches.
Lesson 5 Arithmetic Sequences.pdf
This document discusses arithmetic sequences. It defines key terms like sequence, term, and common difference. It explains how to identify if a set of numbers forms an arithmetic sequence based on having a constant difference between terms. Methods are provided for finding the next term, the nth term, and representing the sequence as a linear function. Examples demonstrate how to apply these concepts to solve problems involving arithmetic sequences.
measure of position for group data.pptx
The document discusses measuring positions such as quartiles, deciles, and percentiles in grouped data. It provides steps for calculating each measure of position and interpreting the results. Examples are given to find the second quartile, fifth decile, and 30th percentile in a Scrabble competition. Additionally, the document discusses analyzing energy expenditure data from a Zumba class and grade data from a survey of 10 students.
union and intersection of events.ppt
The document discusses probability and events, defining key terms like experiment, outcome, sample space, and event. It provides examples of simple and compound events, and explains how to calculate the probability of simple events using the formula of number of outcomes in the event over the total number of possible outcomes. Rules for probability are also outlined, such as the probability of any event being between 0 and 1 and the sum of probabilities of all outcomes equaling 1.
thediscriminant-160218001000.pptx
The document discusses the discriminant and how it is used to determine the number of solutions to a quadratic equation. The discriminant, b^2 - 4ac, tells you how many solutions the equation has based on whether the discriminant is positive, zero, or negative. A positive discriminant means there are 2 real solutions, a zero discriminant means there is 1 real solution (equal roots), and a negative discriminant means there are no real solutions. Examples are provided to demonstrate calculating the discriminant and determining the number and type of solutions.
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- 2. Objective : To identify some concepts of the circle such as centre, chord, diameter and radius. Target group : Secondary level, Grade- 6 Duration/Mode : 45 minutes/Student-centred. INTRODUCTION
- 4. A circle is the set of all points in a plane that are at a given distance from a given point. The given point P is called the center of the circle and the given distance is called the radius of the circle. P Center Circles
- 5. A diameter is a line segment that connects two points on the circle and goes through the centre of the circle. diameter P A B Diameter
- 6. A central angle is an angle whose vertex is the center of the circle.. Central Angle P B Central Angle A
- 7. An arc is part of a circle connecting two points of the circle. Arc P B Arc A
- 8. A sector is a region contained by two radii and an arc. Sector P B Sector A
- 9. A chord of a circle is a segment whose end points lie on the circle. C D chord Chord
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- 13. Choose the correct answer. 3. The part of a circle connecting two points of the circle is the A. central angle B. sector C. arc Quiz
- 14. Click on each icon to get the activity worksheet. http://www.math.com/school/subject3/lessons/S3U1L6GL.html The following URL is the starting place, feel free to search the Internet for other related information. Worksheet
- 15. THANK YOU Quit
- 16. Your answer is wrong! Try again!
- 17. Congratulations ! Your answer is correct