"Origami" Fraction Addition and Subtraction PPT Courseware (Lesson 1) Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
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Authoritative PPT Summary
"Origami" Fraction Addition and Subtraction PPT Courseware (Lesson 1)
Part One: Learning Objectives
Master the calculation methods of adding and subtracting fractions with different denominators and be able to perform calculations correctly. (emphasis)
Understand the arithmetic of addition and subtraction of fractions with different denominators. (difficulty)
Origami PPT, part 2: exploring new knowledge
Knowledge points Arithmetic of addition and subtraction of fractions with different denominators
(1) What fraction of the paper did they use in total?
(2) How much more of the paper did Xiaoxiao use than Naughty?
Knowledge points Calculation methods of addition and subtraction of fractions with different denominators
(3) How to calculate the addition and subtraction of these fractions with different denominators? Do the math and talk about it.
Knowledge refining
To add and subtract fractions with different denominators, first convert them into fractions with the same denominator, and then perform the calculation according to the method of adding and subtracting fractions with the same denominator.
The calculation results of fraction addition and subtraction can be reduced to the simplest fraction or integer.
Origami PPT, Part 3: Consolidation Practice
1. Naughty calculates 1/4+1/2 like this: 1/4+1/2=2/6. Do you agree with his approach? Share your ideas with peers. (Selected from textbook P3 T2)
2. (Selected from textbook P3 T3)
3. Fill in the blanks.
(1) Paint it and do the math.
(2) When calculating 1/6+2/3, because the ( ) of 1/6 and 2/3 are different, they cannot be added directly. They must first ( ) and then add, that is
Origami PPT, Part 4: Class Summary
What knowledge have you learned in this class?
To add and subtract fractions with different denominators, first divide them into fractions with the same denominator, and then perform the calculation according to the method of adding and subtracting fractions with the same denominator.
The calculation results of fraction addition and subtraction can be reduced to the simplest fraction or integer.
Origami PPT, Part 5: Homework
Assignment 1: Complete the exercises related to the textbook.
Assignment 2: Complete the corresponding exercises.
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:
"Origami" Fraction Addition and Subtraction PPT Part One Content: Situation Import Based on this picture, what mathematical questions can you ask? 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. ..