"One Point (1)" Understanding Fractions PPT

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"One Point (1)" Understanding Fractions PPT

Part One: Learning Objectives

1. Experience the process of abstracting fractions from specific situations, initially understand the meaning of fractions, feel the combination of numbers and shapes, realize the necessity of learning fractions, be able to read and write fractions, and know the names of each part of a fraction.

2. Combine origami, coloring and other activities to use area models to represent simple fractions.

3. Be able to use fractions to describe some simple life phenomena and experience mathematical culture through specific learning activities.

One point PPT, the second part: interpretation of example questions

On average, each person gets 1 apple.

On average, each person gets half of the apple.

1. How can you express half?

Method 1: Draw a picture.

Method 2: Apply once.

2. Use a piece of paper to fold and paint. What other scores can you get?

① Fold a square piece of paper in half horizontally and vertically;

② Fold a round piece of paper in half three times;

③ Divide a rectangular piece of paper into 5 equal parts by folding it.

After unfolding, apply one or more of them to get one or a few fractions.

One point PPT, the third part: summary

The meaning of fractions

Names, pronunciations and writing methods of various parts of fractions

When writing a fraction, write the fractional line first, then the denominator, and finally the numerator. When reading a fraction, read the denominator first, then the numerator, and connect the denominator and numerator with "divide".

Coloring of graphics using fractions

Divide a figure into several equal parts, use the total number of parts as the denominator, and use the number of colored parts as the numerator.

One point PPT, the fourth part: quiz in class

1. Paint out 1/3 of the shapes below.

2. Is the coloring part below all 1/8 of a piece of paper? Tell me your reasons.

3. Do you know what fraction of the entire graphic the colored part occupies?

One point PPT, the fifth part: homework after class

1. Choose from the after-school exercises.

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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)" PPT download of understanding fractions:

"Divide One (Two)" Understanding Fractions PPT Download Part One Content: Knowledge Explanation Paint the small squares 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 divided equally into 9 small squares,...

"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...

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Update Time: 2024-11-03

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

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