"Mathematics in Paper-cutting" PPT Courseware 6

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"Mathematics in Paper-cutting" PPT Courseware 6

1. Situation introduction

Wang Fang’s works account for 1/15 of the group’s total works

Li Jun’s works account for 2/15 of the group’s total works

Liu Hu’s works account for 8/15 of the group’s total works

Yang Hua’s works account for 4/15 of the group’s total works

What percentage of the total works of the first group are accounted for by Wang Fang, Li Jun and Liu Hu?

Flower and bird works account for 1/9 of the group’s total works

Character works account for 5/9 of the group’s total works

Among the works in the second group, what percentage of the total number of works from other categories account for?

2. Cooperation and exploration

What percentage of the total works of the first group are accounted for by Wang Fang, Li Jun and Liu Hu?

Let’s first calculate what percentage of the total works of Wang Fang and Li Jun account for the total number of works in the first group?

In addition, what percentage of the works of Wang Fang, Li Jun and Liu Hu account for the total number of works of the first group?

Think about it: How do you add fractions with the same denominator?

To add fractions with the same denominator, add the numerators without changing the denominator.

Among the works in the second group, what percentage of the total number of works from other categories account for?

Let’s first calculate what percentage of the total number of works by flowers, birds, and figures account for the group’s total works?

What percentage of other types of works account for the total number of the group's works?

3. Independent practice

1. A vegetable plot, with 1/12 kinds of leeks, 5/12 kinds of celery, and the rest planted with tomatoes. What percentage of the land is planted with tomatoes?

2. Is the following calculation correct? Mark "√" if it is correct, mark "×" if it is wrong and correct it.

3. In the Chunguang Primary School library, science and technology books account for 17/100, literature books account for 39/100, tools and tools account for 3/100, and other categories account for 41/100.

(1) What percentage of the total number of books on science and technology, literature, and tools account for?

(2) What percentage of the total number of literature books accounts for more than the sum of science and technology and tools books?

Keywords: Mathematics teaching courseware in paper-cutting, Qingdao edition fifth grade mathematics volume 2 PPT courseware download, fifth grade mathematics slide courseware download, mathematics in paper-cutting PPT courseware download, .PPT format;

For more information about the "Mathematics in Paper-cutting" PPT courseware, please click on the "Mathematics in Paper-cutting" ppt tag.

"Mathematics in Paper-cutting" PPT courseware 5:

"Mathematics in Paper-cutting" PPT courseware 5 1. Situation introduction From the picture, what mathematical information do you know? What questions can you ask based on this information? What fraction of this paper was used to cut the carp and butterfly? Cutting butterflies uses more paper than cutting carps...

"Mathematics in Paper-cutting" PPT courseware 4:

"Mathematics in Paper-cutting" PPT courseware 4 1. Situation introduction It took 1 meter of wool to make 4 pasted paintings. How many meters of yarn do you use on average for each painting? It took 3 discs to make 4 pasted paintings. On average, how many discs are used in each painting? From the picture, what mathematical information can you know...

"Mathematics in Paper-cutting" PPT courseware 3:

"Mathematics in Paper-cutting" PPT courseware 3 1. Situation introduction The paper-cut work is 3 decimeters long and 2 decimeters wide. It is arranged into a square display board. How many decimeters can the side length of the square display board be? How many decimeters can be the shortest? What mathematical information do you know from the picture? According to this...

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Update Time: 2024-10-24

This template belongs to Mathematics courseware Qingdao Edition Fifth Grade Mathematics Volume 2 industry PPT template

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