"Feeling the Possibility" Frequency and Probability PPT Courseware 2

Description

"Feeling the Possibility" Frequency and Probability PPT Courseware 2

learning target

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. Feel the possibility of random events through the "touch the ball" test.

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Events that will definitely happen under certain conditions are called inevitable events;

Events that will never happen under certain conditions are called impossible events; inevitable events and impossible events are collectively called definite events.

Events that may or may not occur under certain conditions are called random events, also known as uncertain events.

Note: Impossible events are definite events rather than uncertain events.

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

detection improvement

1. There are some cards with numbers written on them. Their backs are the same. First, turn their backs up and pick out one of them:

(1) Which card number is most likely to be touched? Which card number is the least likely to be touched?

(2) Which is more likely that the number touched is an odd number or that the number touched is an even number?

2. There are 8 red balls, m white balls, and 3 black balls in the bag. Each ball is the same except for the color. Pick a ball out of it. If the probability of getting a red ball is the highest, then the value of m is not may be( )

A． 1B． 3C. 5D. 10

3. There are 20 cards written with 1, 2, 3,..., 20 on them respectively. If one card is randomly selected from them, which one is more likely that the number is a multiple of 2 or that the number is a multiple of 3?

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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:

"Feeling Possibilities" Frequency and Probability PPT Courseware You guess you want to think about 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?

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Update Time: 2024-11-19

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

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