"One point (two)" Understanding fractions PPT download

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"One point (two)" Understanding fractions PPT download

Part One Content: Knowledge Explanation

Paint the small square in the picture below with three colors: red, yellow, and blue. What fraction of the figure does each color account for?

known conditions

The large square is evenly divided into 9 small squares, and the small squares are painted with three colors: red, yellow, and blue.

Question asked

Each color accounts for what fraction of the figure.

How to understand the meaning of the question?

To determine what fraction of the figure each color occupies, it depends on how many small squares are painted in each color. Because the big square is divided into 9 equal parts. Therefore, a few small squares are painted in each color to account for a fraction of the shape.

What mathematical information did you learn?

There are a total of 7 butterflies in the picture, including 3 white butterflies and 4 flower butterflies;

There are 6 children, including 4 girls and 2 boys;

There are 5 pots of flowers, including 3 pots of pink flowers and 2 pots of red flowers.

How to understand the meaning of the question?

To use fractions to express the things in the picture, you can regard the total quantity of a certain thing as a whole, divide this thing into equal parts according to its characteristics and colors, and use the total quantity of this thing as the denominator of the fraction to be expressed, using The quantity of each part is used as the numerator of the fraction to be expressed.

One point PPT, the second part content: knowledge summary

In a fraction, the whole can be one thing or multiple things.

When using fractions to express the relationship between the quantity of each part and the whole, you must first determine the whole; then determine the number of equal parts the whole is divided into, and use it as the denominator of the fraction; finally determine the number of parts occupied by each part, and put It acts as the numerator of the fraction.

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For more information about the PPT courseware "Understanding Fractions Divided into One Point", please click the "Understanding Fractions PPT Divided into One Point" PPT tab.

"One point (two)" PPT teaching courseware for understanding fractions:

"One Point (Two)" PPT teaching courseware for understanding fractions Part One: Give it a try There are 5 little ducks, circle 3/5 of them. Consider the 5 little ducks as a whole, and 3/5 of them are 3 ducks. Comparing the results of these two picture circles, can you tell me what are the similarities and differences?

"One Point (Two)" Understanding Fractions PPT:

"Divide One (Two)" Understanding Fractions PPT Part One Content: Learning Objectives 1. Experience the process of viewing multiple things as a whole and dividing them equally, and be able to use fractions to express one or several of them. Learn more about the meaning of fractions. 2. By applying...

"One Point (1)" PPT teaching courseware for understanding fractions:

"Divide One Point (1)" Understanding Fractions PPT Teaching Courseware Part One: Scenario Introduction Two children are dividing apples, and there is only one apple left at the end. They don't know how to divide it equally. Can you help them? How do you represent half of this apple? ..

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Update Time: 2024-10-05

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

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