"Feeling the Possibility" Frequency and Probability PPT Courseware

Description

"Feeling the Possibility" Frequency and Probability PPT Courseware

You guess you want

Consider the following events (1):

If a uniform die is thrown at random, then

⒈ Will the number rolled be 10?

⒉ Does the number thrown must not exceed 6?

⒊ Does the number thrown must be 1?

Consider the following events (2):

1. The glass will break if it falls on the concrete floor from a height of 10 meters;

2. The sun rises from the east;

3. Today is Sunday, tomorrow is Monday;

★ These things we are sure will happen in advance, these events are called inevitable events.

⒋The sun rises from the west;

⒌ The ​​absolute value of a number is less than 0;

★ These are things that we are sure will not happen in advance. These events are called impossible events.

★ Necessary events and impossible events are both certain events.

Game 1: Relay race

Competition requirements:

1. The team leader decides the order of the relay and writes the word "正" to record the number of questions in each group;

2. Throw the dice to determine the timing of one student, who must tell an event within 10 seconds;

① It can be a certain event (indicate whether it is a necessary event or an impossible event);

② It can also be an uncertain event;

3. The group that speaks the most wins. The event is close to life.

possibility

◆In the above ball touching activity, the color of the ball touched each time is uncertain.

◆If the numbers of red balls and white balls are not equal, then the possibility of getting a red ball is different from the possibility of getting a white ball.

★Generally, the probability of an uncertain event occurring varies.

detection improvement

1. Point out which of the following events are inevitable events, which are impossible events, and which are random events?

(1) Two straight lines are parallel and their internal offset angles are equal;

(2) Drop oil into water and the oil will float on the water;

(3) To buy any movie ticket, the seat number is more likely to be a multiple of 2 than the seat number is a multiple of 5;

(4) Randomly throw a uniform dice, and the number thrown is an odd number;

Keywords: Frequency and Probability teaching courseware, Feeling Possibilities teaching courseware, Beijing Normal University edition seventh grade mathematics volume 2 PPT courseware, Seventh grade mathematics slide courseware download, Frequency and Probability PPT courseware download, Feeling Possibilities PPT courseware download,. ppt format

For more information about the "Frequency and Probability Feeling Likelihood" PPT courseware, please click the Frequency and Probability ppt Feeling Likelihood ppt tag.

"Feeling Possibilities" Frequency and Probability PPT Courseware 3:

"Feeling Possibilities" Frequency and Probability PPT Courseware 3 New Lesson Introduction Dice (tu zi), also known as color (shǎi). If a uniform die is thrown at random, then ⒈ will the number rolled be 10? No ⒉ The number of points thrown must not exceed 6? must ..

"Feeling Possibilities" Frequency and Probability PPT Courseware 2:

"Feeling Possibilities" Frequency and Probability PPT Courseware 2 Learning Objectives 1. By judging various events in life, describe the characteristics of inevitable events, impossible events and random events, and be able to make accurate judgments. 2. Through the ball touch test, feel the random events..

File Info

Update Time: 2024-07-04

This template belongs to Mathematics courseware Beijing Normal University seventh grade mathematics volume 2 industry PPT template

Preview