"Determined Events and Random Events" PPT courseware

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"Determined Events and Random Events" PPT courseware

Part One: Introduction of New Course

guess poker

Little magic trick: Draw one of the four playing cards (don't let the teacher see it), and the teacher can tell the number on the playing card you drew.

If in a women's singles competition at a certain World Table Tennis Championships, two Chinese players A and B advance to the finals. So, for this competition:

(1) "The championship belongs to the Chinese players."

(2) "The championship belongs to foreign players."

(3) "The championship belongs to Chinese Player A."

In the case of two Chinese players entering the finals:

(1)The championship belongs to the Chinese player.

(2)The championship belongs to a foreign player.

(3)The championship belongs to Chinese player A.

In the game of guessing cards:

(1) One card drawn from four 2's is 2.

(2) One card drawn from four 2s is a 3.

(3) One card drawn from the four 2's is the 2 of Hearts.

Determined events and random events PPT, Part 2: Classroom activities

Activity 1

Ask each student to cite inevitable events, impossible events and random events in life. Then conduct group discussions, and then send a representative to report to the whole class.

Activity 2

Please ask the class monitor to randomly select 4 students in the class and investigate the month of their birthdays. Do any of them have two birthdays in the same month?

What would be the result if 10 students were randomly selected?

think

At least how many classmates need to be investigated to make the event "two classmates have birthdays in the same month" an inevitable event.

Activity 3

An opaque cloth bag contains 6 ping pong balls of the same size. 4 of them are yellow and 2 are white. Shake them well.

(1) Taking out two balls at random from the bag, and the two balls taken out are both yellow is a _____ event;

(2) If 3 ping pong balls are randomly picked out, what are the possible outcomes?

(3) Please design inevitable events, impossible events and random events yourself.

Keywords: Free download of Hebei Education Edition mathematics PPT courseware for the second volume of ninth grade, determined events and random events PPT download, .PPT format;

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"Deterministic Events and Random Events" PPT download:

"Determined Events and Random Events" PPT Download Part One: Learning Objectives: Initial understanding that the occurrence of some events is uncertain, and the occurrence of some events is certain. Be able to distinguish inevitable events, impossible events and random events in life; be able to correctly Judgment random..

"Deterministic Events and Random Events" PPT:

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Update Time: 2024-11-19

This template belongs to Mathematics courseware Hebei Education Edition Ninth Grade Mathematics Volume 2 industry PPT template

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