"Origami" Fraction Addition and Subtraction PPT

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"Origami" Fraction Addition and Subtraction PPT

Part One: Situation Introduction

What mathematical questions can you ask based on this picture?

Explore new knowledge

What fraction of this paper did they use in total?

How much more of this paper did Xiaoxiao use than Naughty? Do the math.

How to add and subtract fractions with different denominators? Do the math and talk about it.

Origami PPT, Part 2: Consolidation of Practice

Calculate 7/10-1/6, and share your approach with your peers.

Naughty calculates 1/4+1/2 like this: 1/4+1/2=1/6.

Do you agree with his approach? Share your ideas with peers.

To add and subtract fractions with different denominators, you must first differentiate into fractions with the same denominator, and then use the method of adding and subtracting fractions with the same denominator to calculate.

Origami PPT, Part 3: Class Summary

To add and subtract fractions with different denominators, first add and subtract fractions with the same denominator, and then calculate according to the rules of adding and subtracting fractions with the same denominator. The calculation result can be reduced to the simplest fraction.

Keywords: Free download of Beijing Normal University Edition fifth grade mathematics PPT courseware volume 2, origami PPT download, fraction addition and subtraction PPT download, .PPT format;

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

"Origami" Fraction Addition and Subtraction PPT Download:

"Origami" Fraction Addition and Subtraction PPT Download Part One Content: Learning Objectives 1. Experience the origami operation and the activity process of common fractions to explore the calculation method of adding and subtracting fractions with different denominators, understand the calculation principles, and experience the intuitive model of fractions and mathematical transformation ideas in solving problems The luck in question...

"Origami" Fraction Addition and Subtraction PPT Courseware (Lesson 2):

"Origami" Fraction Addition and Subtraction PPT Courseware (Lesson 2) Part One: Learning Objectives 1. Further master the calculation method of adding and subtracting fractions with different denominators, and be able to perform calculations correctly. (Key points) 2. Understand that when a common denominator is used, the lowest common multiple of the denominator is used as the common denominator..

"Origami" Fraction Addition and Subtraction PPT Courseware (Lesson 1):

"Origami" Fraction Addition and Subtraction PPT Courseware (Lesson 1) Part One: Learning Objectives: Master the calculation method of adding and subtracting fractions with different denominators, and be able to perform calculations correctly. (Key points) Understand the arithmetic of addition and subtraction of fractions with different denominators. (Difficulty) ... ... ... fold...

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Update Time: 2024-11-19

This template belongs to Mathematics courseware Beijing Normal University Edition Fifth Grade Mathematics Volume 2 industry PPT template

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