| Category | Format | Size |
|---|---|---|
| Beijing Normal University Edition Fifth Grade Mathematics Volume 1 | pptx | 6 MB |
"Dividing the Pie" PPT teaching courseware on the significance of fractions
Description
"Dividing the Pie" PPT teaching courseware on the significance of fractions
Part One: Exploring New Knowledge
How many pieces of pie does each person get? Everyone exchanges their ideas.
First divide 4 pieces of cake, one piece for each person; then divide the remaining piece, a quarter for each person.
1 1/4 is a mixed number, pronounced: one and a quarter.
It's a mixed number, pronounced: one and a quarter.
Fractions like 1/2, 1/4, 2/3, 3/4, ... are proper fractions.
Fractions like 3/2, 3/3, 5/4, 9/4, ... are improper fractions.
You can also say:
A fraction whose numerator is smaller than its denominator is called a proper fraction, and all proper fractions are less than 1.
A fraction whose numerator is greater than or equal to the denominator is called an improper fraction, and an improper fraction is equal to or greater than 1.
Pie-sharing PPT, part 2: Consolidation of exercises
1. Which of the following fractions are true fractions and which are improper fractions?
2. Represent the fractions in the above question as points on a straight line.
Take a look and see which segments of the straight line the points representing true fractions and the points representing improper fractions are on.
3. Which of the following fractions is greater than 1? Circle them.
Pie-sharing PPT, the third part of the content: Class summary
Through today’s study, have you understood the meaning of true fractions and improper fractions? Do you know what kind of fractions are mixed numbers?
Keywords: Beijing Normal University edition fifth grade mathematics volume PPT courseware free download, pie sharing PPT download, meaning of fractions PPT download, .PPT format;
For more information about the PPT courseware "The Meaning of Fractions and Dividing the Pie", please click on the "The Meaning of Fractions and Dividing the Pie" PPT tab.
"Dividing the Pie" PPT download of the meaning of fractions:
"Dividing the Pie" The Meaning of Fractions PPT Download Part One Content: Learning Objectives 1. Combined with specific situations, experience the generation process of improper fractions and mixed numbers, and understand the meaning of true fractions, improper fractions and mixed numbers. 2. Be able to read and write improper fractions and mixed numbers correctly, and understand true fractions,...
"Dividing the Pie" PPT on the meaning of fractions:
"Dividing the Pie" The Meaning of Fractions PPT Part One Content: Classroom Introduction 1. Combined with specific situations, understand the meaning of true fractions, improper fractions and mixed numbers. 2. Able to read and write improper fractions and mixed numbers correctly. Understand the relationship between improper fractions and mixed numbers. 3. Cultivate students’ independent learning and...
"Dividing the Pie" PPT courseware on the meaning of fractions:
"Dividing the Pie" PPT Courseware on the Meaning of Fractions Practice 1. How many sausages does each puppy get? ⑴ Use rectangular pieces of paper instead of sausages, draw a picture, and share your ideas with your peers. ⑵ Use fractions to express the number of sausages each puppy gets. 2. Using 7 as the denominator, write 3..
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Update Time: 2024-07-11
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