"Characteristics of Multiples of 3" PPT on Multiples and Factors

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"Characteristics of Multiples of 3" PPT on Multiples and Factors

Part I: Classroom Introduction

1. Through activities such as observation, exploration, and communication, let students experience the process of exploring the characteristics of multiples of 3, understand the characteristics of multiples of 3, and be able to judge whether a number is a multiple of 3.

2. Cultivate and develop students' ability to analyze, observe, compare, operate, generalize, guess, verify and summarize.

3. Students can gain emotional experience of success through exploration and personal participation in practical activities.

Characteristics of multiples of 3 PPT, Part 2: New Knowledge Exploration

Please tell me the characteristics of multiples of 2 and 5.

We know the characteristics of multiples of 2 and 5. Guess what the characteristics of multiples of 3 are?

I guess that numbers with 3, 6, or 9 in the last digit are multiples of 3.

Not necessarily, 13 is not a multiple of 3

Characteristics of multiples of 3 PPT, Part 3: Classroom exercises

1. Which numbers are multiples of 3?

38 3643

96 2785

2. (1) Determine whether the following numbers are multiples of 3.

107、591、293、50、333、126

Multiples of 3 are (591, 333, 126)

(2) Try it: Circle the multiples of 3 in the numbers below.

28，45，53，87，36，65, 60, 128, 453，

3. Please color the balloons whose numbers are multiples of 3. Communicate with your classmates how you made the decision.

4. Is the following statement correct? Please give your reasons in your group.

⑴Numbers with 3, 6, and 9 in the ones place are all multiples of 3. ( )

⑵Odd numbers are not multiples of 3 ( )

(3) Even numbers are multiples of 2, and odd numbers are multiples of 3 ( )

Characteristics of multiples of 3 PPT, Part 4: Class summary

Characteristics of multiples of 3

If the sum of the digits of a number is a multiple of 3, then the number is a multiple of 3.

Characteristics of multiples of 3 PPT, Part 5: Classwork

1. Fill in the blanks:

(1) The smallest odd number that is a multiple of 3 is ( ), and the smallest even number is ( ).

(2) The smallest two-digit number that is a multiple of 3 is ( ), the largest two-digit number is ( ), and the smallest three-digit number is ( ).

2. Fill in the required number in □

147□ is a multiple of both 3 and 5.

249□ is a multiple of both 2 and 3.

3. See who can use the fastest method to determine whether the four-digit number 8469 is a multiple of 3.

8+4+6+9=27

So 8469 is a multiple of 3.

Is there a faster way?

Keywords: Beijing Normal University Edition Grade 5 Mathematics PPT courseware free download, characteristics of multiples of 3 PPT download, multiples and factors PPT download, .PPT format;

For more information about the PPT courseware on "Characteristics of Multiples and Factors of Multiples of 3", please click on the PPT tag on "Characteristics of Multiples and Factors of Multiples of 3".

"Characteristics of Multiples of 3" PPT teaching courseware on multiples and factors:

"Characteristics of Multiples of 3" PPT Teaching Courseware on Multiples and Factors Part 1: Review and Preparation We have learned the characteristics of multiples of 2 and 5. Please tell us the characteristics of multiples of 5. Please tell us the characteristics of multiples of 2. Which numbers are both multiples of 2 and multiples of 5? What are their characteristics?

"Characteristics of Multiples of 3" Multiples and Factors PPT Download:

"Characteristics of Multiples of 3" Multiples and Factors PPT Download Part 1: Interesting Introduction Numbers with 0 or 5 in the ones place are all multiples of 5. Characteristics of Multiples of 5 Numbers with 0, 2, 4, 6, 8 in the ones place are all multiples of 2. Characteristics of Multiples of 2 What are the characteristics of multiples of 3?

"Characteristics of Multiples of 3" Factors and Multiples PPT Download:

"Characteristics of Multiples of 3" Factors and Multiples PPT Download Part 1: Scenario Introduction Which of the following numbers are multiples of 2? Which numbers are multiples of 5? 324 153 345 2460 986 Multiples of 2: 3242490986 Multiples of 5: 3452460 Who can tell me about multiples of 2?

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Update Time: 2024-09-28

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

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