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| Category | Format | Size |
|---|---|---|
| People's Education Press fifth grade mathematics volume 2 | pptx | 6 MB |
"Addition and Subtraction of Fractions with Different Denominators" Addition and subtraction of fractions PPT courseware
2024-09-08
Copyright statement: This material is compiled and released by the user of Daoge Resources. The copyright belongs to the author. For commercial use, please contact the copyright owner. If there is any infringement, please contact the webmaster to remove the resource.
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"Addition and Subtraction of Fractions with Different Denominators" Addition and subtraction of fractions PPT courseware
Adding and subtracting fractions with different denominators
Discussion questions:
1. Can two fractions with different denominators be added and subtracted directly? Why?
2. What should we do if we cannot add or subtract directly?
3. What are the differences and connections between adding and subtracting fractions with different denominators and adding and subtracting fractions with the same denominator?
Practice word problems.
1. After a certain factory introduced new technology, it only takes 2/3 hours to assemble a machine, which is 1/4 hours less than in the past. How many hours did it take to assemble a machine in the past?
2. On Children's Day, the number of students in Class 51 who performed and sang accounted for 2/5 of the class, and those who danced accounted for 1/10. How many more students sang than danced?
Note: Calculation results, those that can be reduced must be reduced, and those that are improper fractions must be converted into mixed numbers or integers.
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For more information about the PPT courseware "Addition and Subtraction of Fractions with Different Denominators, Addition and Subtraction of Fractions with Different Denominators", please click the Addition and Subtraction of Fractions with Different Denominators ppt tag.
"Adding and Subtracting Fractions with Different Denominators" PPT courseware for adding and subtracting fractions:
"Adding and Subtracting Fractions with Different Denominators" PPT courseware for adding and subtracting fractions Teaching Objectives 1. Be able to calculate the addition and subtraction of fractions with different denominators. 2. Master the rules of addition and subtraction of fractions with different denominators. Adding and subtracting fractions with different denominators Calculation method for adding and subtracting fractions with different denominators: Adding fractions with different denominators..
"Addition and Subtraction of Fractions with Different Denominators" Fraction addition and subtraction PPT courseware 2:
"Addition and Subtraction of Fractions with Different Denominators" Fraction Addition and Subtraction PPT Courseware 2 Mingqiao Primary School has a rectangular experimental field, in which cucumbers are planted in ( ) and tomatoes are planted in ( ). 1. What fraction of the land is occupied by cucumbers and tomatoes? 2. The area for growing cucumbers is larger than that for growing tomatoes..
"Addition and Subtraction of Fractions with Different Denominators" Fraction addition and subtraction PPT courseware:
"Adding and Subtracting Fractions with Different Denominators" Fraction Addition and Subtraction PPT Courseware Learning Objectives 1. Enable students to understand the arithmetic of addition and subtraction of fractions with different denominators. 2. Preliminarily master the rules of addition and subtraction of fractions with different denominators. ... ... ... Mingqiao Primary School has a rectangular experimental field, in which (..
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Update Time: 2024-09-08
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"Addition and Subtraction of Fractions with Different Denominators" Addition and subtraction of fractions PPT courseware
2024-09-08
Copyright statement: This material is compiled and released by the user of Daoge Resources. The copyright belongs to the author. For commercial use, please contact the copyright owner. If there is any infringement, please contact the webmaster to remove the resource.
Download Points: 0.00
Free Download
Upgrade VIP
Favorite
Views: 2069 / Downloads: 508
