"Grams and Kilograms" PPT download

Description

"Grams and Kilograms" PPT download

Part One: Learning Objectives

1. Understand the mass units grams and kilograms in specific life situations, and know that 1 kilogram = 1000 grams.

2. Through weighing, estimating, weighing and other activities, initially establish the concept of mass of 1 gram and 1 kilogram, and learn to use this as a standard to estimate the mass of objects.

3. Understand the role of grams and kilograms in life, appreciate the close connection between mass units and life, and appreciate the value of mathematics.

[Key Points] Understand the units of mass, grams and kilograms, and know that 1 kilogram = 1000 grams.

[Difficulty] Preliminarily establish the quality concepts of 1 gram and 1 kilogram.

Gram and kilogram PPT, part 2 content: classroom analysis

Classmates, look what they bought in the supermarket? How heavy are they?

Indicates how much the item weighs, in grams or kilograms.

I know "gram" is represented by the letter "g".

These items are relatively light, and "gram" is often used as the unit for measuring relatively light items.

Look at how many beans there are in 1 gram and weigh them.

1 kilogram = 1000 grams

"Net content" refers to the actual weight of the items in the bucket or box.

For these relatively heavy items, "kilogram" is often used as the unit.

Grams and Kilograms PPT, Part 3: Classroom Exercises

1. Fill it out.

(1) One bag of instant noodles weighs 100 grams, and 10 bags of instant noodles weigh approximately ( ) kilograms.

(2) A bag of rock sugar weighs 500 grams, and ( ) bag of rock sugar weighs 2 kilograms.

(3) There are 30 oranges in a box, and each orange weighs 100 grams on average. The total weight of this box of oranges is ( ) kilograms.

(4) Three watermelons weigh 9 kilograms, and one watermelon weighs ( ) grams on average.

(5) Xiaofang is lighter than Xiaohong, and Xiaodong is heavier than Xiaohong. Xiaohong’s weight is 30 kilograms, Xiaofang may be ( ) kilogram, and Xiaodong may be ( ) kilogram.

2. Evaluate which of the following items is lighter than 1 gram.

What other items in life are lighter than 1 gram?

An embroidery needle, a hair, a grain of rice...

3. Tell how much each of the following items weighs.

25 grams of solid glue, 3 kilograms of dumbbells, 10 kilograms of rice, and 360 grams of bread in a box.

4. Which unit is appropriate for measuring the following items? Circle around.

Lighter items are measured in grams, and heavier items are measured in kilograms.

To measure the mass of lighter items, "gram" is often used as the unit, and "gram" is represented by the letter "g".

Grams and kilograms are commonly used units of mass, 1 kilogram = 1000 grams, and the ratio between them is 1000. When converting from "kilogram" to "gram", add three zeros at the end of the number. When converting from "gram" to "kilogram", remove the three zeros at the end of the number.

When a scale is used to measure the mass of an object, where the pointer points indicates how heavy the object is.

Keywords: Free download of PPT courseware for mathematics in the second volume of the second grade of the People's Education Press, download of grams and kilograms PPT, .PPT format;

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

"Problem Solving" Gram and Kilogram PPT:

"Solving Problems" Grams and Kilograms PPT Part One Content: Learning Objectives 1. Further establish the mass concept of grams and kilograms, become familiar with the application of mass units grams and kilograms in life, and be able to use mass units grams and kilograms to express the mass of objects. 2. Introduced by life situations,...

"Grams and Kilograms" PPT:

"Grams and Kilograms" PPT Part One Content: Topic Introduction Students, look at what they bought in the supermarket? How heavy are they? The weight of daily necessities. The weight of an item is measured using a scale. Weighing in daily life. ... ... ... Grams and kilograms P..

"Understanding Grams and Kilograms" Kilograms and Grams PPT courseware:

"Understanding Grams and Kilograms" Kilograms and Grams PPT Courseware Tell me about which items in life have a mass of approximately 1 kilogram? How many mathematics books have a mass of approximately 1 kilogram? Items weighing approximately 1 kilogram include: 5 math books, 5 potatoes, three cans of beer, 15 eggs...

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Update Time: 2024-11-24

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

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