| Category | Format | Size |
|---|---|---|
| Beijing Normal University Edition Fifth Grade Mathematics Volume 1 | pptx | 6 MB |
"Finding Prime Numbers" Multiples and Factors PPT Teaching Courseware
Description
"Finding Prime Numbers" Multiples and Factors PPT Teaching Courseware
Part 1: Review old knowledge
Three rectangles can be made from 12 small squares.
Finding Prime Numbers PPT, Part 2: Exploring New Knowledge
How many rectangles can be made from 2, 3,...,11 small squares? Complete the table below.
Observe the table below. What do you find?
Through observation we found:
5 small squares can only form one rectangle, and the factors of 5 are only 1 and 5.
Some numbers have only 2 factors, such as 2, 3, 5... Some numbers have more than 2 factors.
Recognize it and fill it out.
A number that has only two factors, 1 and itself, is called a prime number.
A number that has other factors besides 1 and itself is called a composite number.
1 is neither a prime number nor a composite number.
Find Prime Numbers PPT, Part 3: Consolidate Practice
1. Use 13, 14, 15, and 16 small squares to form several rectangles to complete the table below.
2. Score a point and share your thoughts with your peers.
3.Guess who I am.
Our sum is 10.
Both of us are prime numbers, and their product is 21.
4. You talk and I talk.
Finding Prime Numbers PPT, Part 4: Class Summary
What did you gain from studying this lesson today? Is there anything else you don’t understand?
Keywords: Beijing Normal University edition fifth grade mathematics PPT courseware free download, find prime numbers PPT download, multiples and factors PPT download, .PPT format;
For more information about the "Finding Prime Numbers Multiples and Factors" PPT courseware, please click on the "Finding Prime Numbers PPT Multiples and Factors PPT" tab.
"Finding Prime Numbers" Multiples and Factors PPT download:
"Finding Prime Numbers" Multiples and Factors PPT Download Part One: Learning Objectives 1. In teaching activities, help students understand the meaning of prime numbers and composite numbers. 2. Cultivate students’ abilities of observation, comparison, abstraction and generalization. Focus on the activity of using small squares to make rectangles...
"Finding Prime Numbers" Multiples and Factors PPT:
"Finding Prime Numbers" Multiples and Factors PPT Part One Content: Classroom Introduction 1. In the activity of using small squares to form rectangles, experience the process of exploring prime numbers and composite numbers, and understand the meaning of prime numbers and composite numbers. Able to correctly judge prime numbers and composite numbers. 2. In the process of solving the problem...
"Finding Prime Numbers" Multiples and Factors PPT Courseware:
"Finding Prime Numbers" Multiples and Factors PPT courseware. Recognize it and fill it in. A number that has only two factors, 1 and itself, is called a prime number. A number that has other factors besides 1 and itself is called a composite number. 1 is neither a prime number nor a composite number. ..
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Update Time: 2024-07-04
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