| Category | Format | Size |
|---|---|---|
| People's Education Press fifth grade mathematics volume 2 | pptx | 6 MB |
"Characteristics of Multiples of 3" Factors and Multiples PPT Courseware
Description
"Characteristics of Multiples of 3" Factors and Multiples PPT Courseware
1. Review introduction and reveal topics
Which of the following numbers are multiples of 2? What numbers are multiples of 5?
92 13 28 70 33 78 125
50 735 426 515 210 3055 1560
Numbers with 0, 2, 4, 6, and 8 in the ones digit are multiples of 2. Therefore, the multiples of 2 are: 92, 28, 70, 78, 50, 426, 210, 1560.
Numbers with 0 or 5 in the units digit are multiples of 5. Therefore, the multiples of 5 are: 70, 125, 50, 735, 515, 210, 3055, 1560.
2. Explore new knowledge
If the sum of the digits in a number is a multiple of 3, the number is a multiple of 3.
Which of the numbers shown below using number cards are multiples of 3? Add a card after each number to make the three-digit number a multiple of 3.
2+4=6, 6 is a multiple of 3, so 24 is a multiple of 3. The added card can be 0. 2+4+0=6, 240 is a multiple of 3.
You can also fill in 3, 6, 9. 2+4+3=9, 243 is a multiple of 3; 2+4+6=12, 246 is a multiple of 3; 2+4+9=15, 249 is a multiple of 3.
3. Application of knowledge
1. Circle the multiples of 3.
2. Fill in □ with a number so that each number is a multiple of 3.
4. Assign homework
Homework: Exercise 3, Question 4 on page 11. Exercise 3 on page 12, questions 8, 10, and 11.
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For more information about the PPT courseware "Characteristics of Factors and Multiples of Multiples of 3", please click the Characteristics of Multiples of Factors and Multiples ppt3 ppt tag.
"Characteristics of Multiples of 3" Multiples and Factors Flash Animation Courseware:
"Characteristics of Multiples of 3" Flash Animation Courseware for Multiples and Factors This courseware is a teaching material for Unit 5 of Multiples and Factors in the fourth grade mathematics volume of the Hebei Education Edition. Characteristics of Multiples of 3. Flash animation courseware. The content is vivid and vivid. Please download it! Keywords: multiples and factors..
"Characteristics of Multiples of 3" Multiples and Factors PPT Courseware:
"Characteristics of Multiples of 3" Multiples and Factors PPT Courseware Teaching Objectives 1. Through observation, calculation, communication and other activities, experience the process of exploring the characteristics of multiples of 3. 2. Know the characteristics of multiples of 3 and be able to judge whether a number is a multiple of 3. 3. While exploring a...
"Characteristics of Multiples of 2 and 3" Factors and Multiples PPT Courseware:
"Characteristics of Multiples of 2 and 3" Factors and Multiples PPT Courseware These numbers are all multiples of 2. Have you found any characteristics of multiples of 2? Numbers with 0, 2, and ________ in the units digit are all multiples of 2. Among natural numbers, numbers that are multiples of 2 are called even numbers (0 is also even..
File Info
Update Time: 2024-07-29
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