| Category | Format | Size |
|---|---|---|
| Beijing Normal University Edition Fifth Grade Mathematics Volume 1 | pptx | 6 MB |
"Fractions and Division" PPT download of the meaning of fractions
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"Fractions and Division" PPT download of the meaning of fractions
Part One: Exploring New Knowledge
If 1 piece of cake is divided equally between 2 children, how many pieces of cake can each person get? What if 7 pieces of cake were divided equally among 3 children?
It can be calculated by division. What are the equivalents of 1÷2 and 7÷3 respectively?
1 piece of cake is divided equally between 2 people, and each person gets 1/2 piece, so 1÷2=1/2.
Seven pieces of cake are divided equally among three people, and each person gets 7/3, so 7÷3=7/3.
What relationship do you find between fractions and division? Talk to your companions. Can you use letters to express the relationship between fractions and division?
Divisor ÷ Divisor = Divisor / Divisor (the divisor is not 0)
The method of converting an improper fraction into a mixed number or an integer: divide the numerator by the denominator. If it is divisible, it is converted into an integer; if not, the quotient is the integer part of the mixed number, and the remainder is used as the numerator of the fraction, and the denominator remains unchanged.
How to convert a mixed number into an improper fraction: First convert the integer part of the mixed number into a fraction with the same denominator as the fraction part, and then add this fraction to the fractional part of the mixed number.
Fractions and Division PPT, Part 2: Consolidation Practice
What fraction of the length of the blue paper is the length of the red paper?
1÷3＝1/3
What fraction of the length of the yellow paper is the length of the red paper?
4÷3＝4/3
Fractions and Division PPT, Part 3: Class Summary
What did you learn in this lesson? What are your gains and thoughts?
Keywords: Free download of Beijing Normal University Edition fifth grade mathematics PPT courseware for volume 1, fractions and division PPT download, meaning of fractions PPT download, .PPT format;
For more information about the "The Meaning of Fractions Fractions and Division" PPT courseware, please click the "The Meaning of Fractions PPT Fractions and Division PPT" tab.
"Fractions and Division" PPT courseware on the meaning of fractions (Lesson 2):
"Fractions and Division" The Meaning of Fractions PPT Courseware (Lesson 2) Part One: Learning Objectives 1. Review the relationship between fractions and division, be able to use fractions to express the quotient of dividing two numbers, and solve related practical problems. 2. Cultivate observation, comparison, abstraction, generalization, etc..
"Fractions and Division" PPT courseware on the meaning of fractions (Lesson 1):
"Fractions and Division" The Meaning of Fractions PPT Courseware (Lesson 1) Part One Content: Learning Objectives 1. Understand the relationship between fractions and division. 2. Use the relationship between fractions and division to explore the arithmetic of conversion of improper fractions and mixed numbers, and be able to perform conversion correctly. Key points to understand..
"Fractions and Division" The meaning of fractions PPT:
"Fractions and Division" PPT on the Meaning of Fractions Part One Content: Classroom Introduction 1. Observe, compare and understand the relationship between fractions and division based on specific situations. 2. Understand the use of fractions to express the quotient of dividing two numbers. 3. Experience that mathematics is closely related to daily life, and realize that many...
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Update Time: 2024-06-17
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