| Category | Format | Size |
|---|---|---|
| People's Education Press fifth grade mathematics volume 2 | pptx | 6 MB |
"Factors and Multiples" PPT courseware
Description
"Factors and Multiples" PPT courseware
1. Understand the meaning of factors and multiples
In integer division, if the quotient is an integer with no remainder, we say that the dividend is a multiple of the divisor and the divisor is a factor of the dividend.
For example:
12÷2=6, we say that 12 is a multiple of 2 and 2 is a factor of 12.
12÷6=2, we say that 12 is a multiple of 6 and 6 is a factor of 12.
Please choose one of the first types of calculations and tell me who is the factor of whom and who is the multiple of whom?
For convenience, when studying multiples and factors, the numbers we refer to refer to natural numbers (generally excluding 0).
2. Find the factors of a number
Since 18÷1=18, 1 and 18 are factors of 18.
Since 18÷2=9, 2 and 9 are factors of 18.
Since 18÷3=6, 3 and 6 are factors of 18.
3. Find multiples of a number
Since 2÷2=1, 2 is a multiple of 2.
Since 4÷2=2, 4 is a multiple of 2.
Since 6÷2=3, 6 is a multiple of 2.
4. Characteristics of factors and multiples of a number
What did you discover from the previous process of finding factors and multiples?
The smallest factor of a number is ( ) and the largest factor is ( ).
The number of factors of a number is finite, and the number of multiples of a number is infinite.
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"Factors and Multiples" Multiples and Factors PPT courseware:
"Factors and Multiples" Multiples and Factors PPT Courseware Calculate the following formulas: 2 4 7 8 25 6 6 8 12 3 24 7 47 7 34 4 17 12 2 and 6 are factors of 12. 12 is a multiple of 2 and also a multiple of 6. Can you name other factors of 12? 34..
"Factors and Multiples" Flash animation courseware:
"Factors and Multiples" Flash Animation Courseware This courseware helps students learn the knowledge points of factors and multiples through exercises, and summarizes the knowledge points of this lesson. It is a good courseware for consolidating knowledge points and reviewing the course. Keywords: Factors and multiples animation..
"Prime Numbers and Composite Numbers" Factors and Multiples PPT Courseware 4:
"Prime Numbers and Composite Numbers" Factors and Multiples PPT Courseware 4 Teaching Objectives To enable students to understand the concepts of prime numbers and composite numbers, and to be able to judge whether a number is a prime number or a composite number. Cultivate students' ability to observe, compare and generalize. Cultivate students' learning qualities of serious study and good thinking..
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Update Time: 2024-06-20
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