"Sunday Arrangement" Fraction Addition and Subtraction PPT

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Beijing Normal University Edition Fifth Grade Mathematics Volume 2	pptx	6 MB

"Sunday Arrangement" Fraction Addition and Subtraction PPT

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Upload Time: 2024-10-04

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"Sunday Arrangement" Fraction Addition and Subtraction PPT

Part 1: Review old knowledge

1. Calculate the following questions orally.

2. Talk about the order of mixed operations of integer addition and subtraction.

For mixed operations of integer addition and subtraction, if there are parentheses, the inside of the parentheses will be calculated first, and if there are no parentheses, the calculation will be carried out in the order of operations.

Sunday arrangement PPT, part 2: exploring new knowledge

Naughty and Xiaoxiao investigated the Sunday activity arrangements of boys and girls in their class respectively.

What percentage of the total number of boys are boys staying at home?

Calculate, what percentage of girls stay at home accounts for the total number of girls?

Sunday arrangement PPT, the third part: Consolidation of practice

1. Calculation

2. A piece of iron wire. If you cut off 1/2 of the iron wire for the first time and 1/3 of the iron wire for the second time, what fraction of the iron wire is left?

Answer: 1/6 of the wire is left.

3. Look at the diagram and calculate.

Teams A and B work together to build a road. What percentage of this road is the unbuilt part?

Sunday arrangement PPT, part 4 content: Class summary

What did you learn in this class? What are the gains?

Keywords: Free download of Beijing Normal University Edition fifth grade mathematics PPT courseware for the second volume, Sunday arrangement PPT download, fraction addition and subtraction PPT download, .PPT format;

For more information about the "Sunday Arrangement of Fractions Addition and Subtraction PPT" PPT courseware, please click the Sunday Arrangement PPT tab of Fraction Addition and Subtraction PPT.

"Sunday Arrangement" Fraction Addition and Subtraction PPT Download:

"Sunday Arrangement" Fraction Addition and Subtraction PPT Download Part One Content: Learning Objectives: Experience and explore to master the order of operations and calculation methods of mixed operations of fraction addition and subtraction, and be able to perform calculations correctly. (Key points) Understand the order of operations and integers of mixed operations of addition and subtraction of fractions..

"Sunday Arrangement" Fraction Addition and Subtraction PPT Courseware 2:

"Sunday Arrangement" Fraction Addition and Subtraction PPT Courseware 2 I investigated the Sunday activity arrangements of my class. The results are as follows: 3/8 students went out to play, 1/6 students participated in Children's Palace activities, and the rest stayed at home.. . ... ... Summary of addition and subtraction of fractions..

"Sunday Arrangement" Fraction Addition and Subtraction PPT Courseware:

"Sunday Arrangement" Fraction Addition and Subtraction PPT Courseware Teaching Objectives 1. Understand the order of mixed operations of addition and subtraction of fractions 2. Be able to correctly calculate mixed operations of addition and subtraction of fractions 3. Cultivate students' awareness of cooperative communication and patient listening. Experience the process of solving practical problems. Self-study..

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Update Time: 2024-10-04

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Fraction addition and subtraction PPT Sunday arrangement PPT

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"Sunday Arrangement" Fraction Addition and Subtraction PPT