"Origami" Fraction Addition and Subtraction PPT Courseware (Lesson 2) 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 2)
Part One: Learning Objectives
1. Further master the calculation methods of adding and subtracting fractions with different denominators, and be able to perform calculations correctly. (emphasis)
2. Understand the arithmetic of using the lowest common multiple of the denominator as the common denominator when making a common denominator. (difficulty)
Origami PPT, part 2: exploring new knowledge
Knowledge points: Methods of adding and subtracting common fractions of fractions with different denominators
(1) Calculate 7/10-1/6 and share your approach with your peers.
(2) Do the math and share your approach with your peers.
Knowledge refining
When adding and subtracting fractions with different denominators as common denominators, use the lowest common multiple of the denominator as the common denominator of the fraction after the common denominator. This makes the calculation easier.
Origami PPT, Part 3: Consolidation Practice
1. Forest doctor. (Selected from textbook P4 T5)
2. Solve the equation. (Selected from textbook P4 T6)
3. According to the records of the school meteorological team, the number of rainy days in September accounted for 1/3 of the total number of days in the whole month, and the number of sunny days accounted for 3/10 of the total number of days in the whole month. Ask you to pose a mathematical problem and try to solve it. (Selected from textbook P4 T8)
What fraction of the total number of days in the month is the number of sunny days less than the number of rainy days?
4. Make an estimate, and connect them one by one. Which number is the closest to the result of the following calculation formula? Do the math? (Selected from textbook P4 T8)
Origami PPT, Part 4: Class Summary
What knowledge have you learned in this class?
When adding and subtracting fractions with different denominators as common denominators, use the lowest common multiple of the denominator as the common denominator of the fraction after the common denominator. This makes the calculation easier.
Origami PPT, Part 5: Classwork
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;
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"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 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...
"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. ..