"The Problem of Grams and Kilograms" PPT courseware download

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"The Problem of Grams and Kilograms" PPT courseware download

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Description

"The Problem of Grams and Kilograms" PPT courseware download, 12 pages in total.

learning target

Master the method of estimating the quality of items, and be able to correctly estimate the quality of multiple items in life. (emphasis)

Ability to use estimation methods to solve problems in life. (difficulty)

(1) An egg weighs about 60 ( ).

(2) The schoolbag weighs approximately 2 ( ).

(3) 3000 grams = ( ) kilogram, 5 kilograms = ( ) gram.

Explore new knowledge

Assess the quality of items

Grandma Wang picked 20 apples and estimated how many kilograms they weighed.

First estimate how many apples there are in 1 kilogram.

There are big and small apples, generally 4 large apples weigh 1 kilogram, and medium-sized apples weigh 5 1 kilogram.

Consolidation exercises

1. (Selected from textbook P106 T9) Investigate how many eggs there are in 500 grams. Estimate how many kilograms 65 eggs weigh.

2. (Selected from textbook P107 T10)

3. (Selected from textbook P107 T11) What is the maximum weight of items that can be weighed by the scale below?

Class summary

When estimating the quality of an item, you must first determine an estimation standard based on the reality of life, and then estimate the quality of the item based on the determined standard.

Keywords: Free download of PPT courseware on grams and kilograms, PPT download of grams and kilograms, .PPT format;

For more information about the PPT courseware "Grams and Kilograms, Grams and Kilograms Questions", please click on the Grams and Kilograms PPT, Grams and Kilograms Questions PPT tab.

File Info

Update Time: 2024-11-22

This template belongs to Mathematics courseware People's Education Press Second Grade Mathematics Volume 2 industry PPT template

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"The Problem of Grams and Kilograms" PPT courseware download
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