| Category | Format | Size |
|---|---|---|
| Jiangsu Education Edition Fifth Grade Mathematics Volume 2 | pptx | 6 MB |
"Tongfen" The meaning and nature of fractions PPT courseware 4
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"Tongfen" The meaning and nature of fractions PPT courseware 4
Compare the following scores and give your reasons:
For two fractions with the same denominator, the one with the larger numerator is larger.
For two fractions with the same numerator, the smaller the denominator, the larger the fraction.
Converting fractions with different denominators into fractions with the same denominator that are equal to the original fraction is called a common fraction.
Note: To compare fractions, the lowest common multiple of the original two denominators is generally used as the common denominator.
1. When two fractions are combined, the new denominator is the product of the original two denominators. It turns out that the two denominators must be ( )
(1) They are all prime numbers (2) Adjacent natural numbers (3) They are coprime numbers
2. The function of common points is ( ).
(1) The denominator is unified and the specifications are the same, so it is not easy to make mistakes.
(2) The denominators are unified and the fractional units are the same, which facilitates comparison and calculation.
judge
1. Converting fractions with different denominators into fractions with the same denominator is called a common fraction.
2. Both reduction and general divisions are based on the basic properties of fractions. ( )
3. When fractions with different denominators are combined, the units of the fractions are the same. ( )
4. When dividing, the fractions become smaller as they are divided. When dividing, the value of each fraction becomes larger and larger. ( )
5. Reduction is performed on each fraction individually, while general division is performed on several fractions. ( )
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For more information about the PPT courseware "The Meaning and Properties of Fractions, General Division", please click on the "The Meaning and Properties of Fractions ppt, General Division" ppt tag.
"Common Fractions of Fractions" PPT courseware 2:
"The Common Factor of Fractions" PPT Courseware 2 Communication and Discovery Do you still remember what the common factor of a fraction is? According to the basic properties of fractions, the process of converting fractions with different denominators into fractions with the same denominator is called the common fraction of fractions. Similarly, according to the basic properties of fractions, different...
"Common Fractions of Fractions" PPT courseware:
"Common Fractions of Fractions" PPT courseware Learning objectives: 1. Experience observation, analogy, association and other activities to explore and understand the meaning of common fractions of fractions and the simplest common denominator. 2. Master the general steps for determining the simplest common denominator, and be able to use the basic properties of fractions to make common denominators of fractions.
"General Score" Fraction PPT Courseware 2:
"Common Fraction" Fraction PPT Courseware 2 Teaching Objectives ①Understand the meaning of common fraction, master the method of common fraction, and be able to correctly divide two fractions into common fraction. ② Cultivate students’ preliminary analysis, synthesis and generalization abilities. ③ Cultivate students’ ability to read mathematical materials. ... .....
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Update Time: 2024-07-06
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