"Who Goes First" Possibility PPT (Lesson 2)

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"Who Goes First" Possibility PPT (Lesson 2)

Part One Content: Knowledge Explanation

Throw away bottle caps.

Give it a try, play the game 20 times with your deskmate, and record the game results to verify whether your judgment is correct?

Why is there a situation where the cover is facing down significantly more often than the cover is facing up? Discuss and communicate within the group.

Observation found that the cover surface of the lid is heavier and the cover surface is more likely to face downwards.

There are three cards with 5, 6, and 7 written on them. Xiaoxiao and Naughty use these three cards to take turns placing different three-digit numbers. If the three-digit number is an odd number, smile wins, otherwise naughty wins. Are such game rules fair?

You can add an even number, such as 2, and use any three numbers to form a three-digit number. If the three-digit number is an odd number, you win with a smile, otherwise you win with a naughty number.

Who will take the PPT first? The second part: practice and consolidation

True or False.

1. There are four cards, 2, 4, 6, and 9. Xiao Ming said to Zhang Cong: "If the number drawn is a multiple of 2, I win. If the number drawn is a multiple of 3, you win." This rule is fair. ( )

2. Write 6 numbers from 1 to 6 on each of the 6 sides of a cube. A and B each toss 30 times. If the upward number is greater than 4, A wins. Otherwise, B wins. In this game, both of them win. equal opportunities. ( )

3. Shuffle the nine cards with numbers from 1 to 9 written on them and put them on the table. Take out one card at random. If the number on the card is less than 5, Xiaoqiang wins, otherwise Xiaolin wins. This rule is fair. ( )

4. Qisi and Miao want to play a ball-touching game. They touch a ball at random each time, then put it back and shake it well. Each person touches the ball 10 times. If you touch the white ball, Wonderful Thinking will get 1 point, if you touch the yellow ball, Wonderful Thinking will get 1 point, and if you touch the balls of other colors, neither player will score. Which pockets do you think are fair to pick the ball from?

5. Select one playing card each with a number of 1, 2, 3, 4, 5, and 6, and place it on the table. Using these 6 playing cards, design a game rule that is fair to both parties.

Who will take the PPT first? The third part: knowledge summary

Fairness of the rules:

It mainly depends on whether the possibility of two people going first is equal: if two people are equally likely to go first, the rules are fair; otherwise, the rule is unfair if it benefits the person who is more likely to go first.

Who will take the PPT first? Part 4: Homework

P103 Question 5

Synchronous Xuehai Paradise exercises

Keywords: Free download of Beijing Normal University version of fifth grade mathematics volume PPT courseware, who goes first PPT download, possibility PPT download, .PPT format;

For more information about the "Possibility of Who Goes First" PPT courseware, please click on the "Possibility of Who Goes First" PPT tab.

"Who goes first" possibility PPT download:

"Who Goes First" Possibility PPT Download Part One: New Lesson Introduction In life, we often use games such as coin toss, hammer, paper, scissors, etc. to determine who starts first. Do students know why this is? Because it's fair to do so. Why do you say this is fair? ..

"Who Goes First" Possibility PPT Courseware (Lesson 2):

"Who Goes First" Possibility PPT Courseware (Lesson 2) Part One Content: Classroom Introduction 1. Based on life experience and experimental data, game rules that are fair to both parties can be designed. 2. Through game activities, you can experience the possibility of events happening and the fairness of game rules..

"Who Goes First" Possibility PPT Courseware (Lesson 1):

"Who Goes First" Possibility PPT Courseware (Lesson 1) Part One: Class Introduction 1. Through game activities, understand the possibility of events happening. 2. Be able to analyze and judge the fairness of game rules, and design simple and fair game rules. 3. In the design company...

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Update Time: 2024-11-13

This template belongs to Mathematics courseware Beijing Normal University Edition Fifth Grade Mathematics Volume 1 industry PPT template

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