"The Meaning of Fractions" The meaning and nature of fractions PPT courseware 2

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"The Meaning of Fractions" The meaning and nature of fractions PPT courseware 2

Consider 4 apples as a whole and divide them into 4 equal parts. One apple is 1/4 of the whole.

Consider the 6 pandas as a whole and divide them equally into three parts. The 2 pandas in each portion are 1/3 of the whole.

Consolidation exercises:

1. Boys account for 3/7 of the class. 3/7 means that ( ) is regarded as the unit "1" and is divided equally into ( ), of which boys account for ( ).

2. 4/9 is ( ) 1/9, and 3 1/8 is ( ).

3. The fraction unit of 3/10 is ( ), and adding ( ) such units becomes the unit "1".

Do it

1.3/5 means dividing the unit "1" equally into ( ) parts, indicating the number of ( ) parts. There are ( ) in 3/5.

2. Divide the whole class into 6 groups equally. The number of people in one group is the number of the whole class ( ), and the number of people in the two groups is the number of the whole class ( ). 2/6 means there are ( ) ( ).

Expansion exercises:

1. Divide unit "1" equally into parts a, indicating that the fraction of part b is ( ). The unit of fraction is ( ).

2. How many fractions can you write whose fraction unit is 1/7?

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Update Time: 2024-11-22

This template belongs to Mathematics courseware People's Education Press fifth grade mathematics volume 2 industry PPT template

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