"Animal Fun Facts" PPT Courseware 2

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"Animal Fun Facts" PPT Courseware 2

1. Students, what weight units have you learned?

Can anyone describe how much 1 gram and 1 kilogram weigh?

(can give examples)

2. Guess how much the teacher weighs.

Why don't we use "gram" as the unit?

tons of awareness

Can you give some examples of objects in life that use “tons” as the unit?

Measure the weight of heavier or bulk items, usually in tons

A ton is a unit of mass larger than a kilogram.

Tons can be represented by the symbol "t".

Think about it, do the math

A. A cow weighs 500 kilograms. How many cows weigh 1 ton?

B. A barrel of oil weighs 200 kilograms. How many barrels of oil weigh 1 ton?

C. A bag of cement weighs 50 kilograms. How many bags of cement weigh 1 ton?

Do it:

1.5 tons = ( ) kilogram

2000 kilograms = ( ) tons

2. An elephant weighs 4 tons, which is ( ) kilogram.

Can you convert kilograms to tons?

3 tons = ______kg

Think: 1 ton = 1000 kilograms. There are three 1000 kilograms in 3 tons, which is 3000 kilograms.

6000 kilograms = ____ tons

Think: 1000 kilograms = 1 ton. There are 6 1000 kilograms in 6000 kilograms, which is 6 tons.

basic exercises

1. Fill in the blanks:

One bag of rice weighs 100 kilograms, and 10 bags of rice weigh ( ) kilograms, which is ( ) tons.

If each student weighs 25 kilograms, the weight of ( ) students is 1 ton.

2400 kg - 400 kg = ( ) tons

6 decimeters 8 centimeters = ( ) centimeters Dad’s height is 18 ( )

A bunch of grapes 200 ( ) A two-cent coin 2 ( )

A pumpkin 3 ( ) A car carries a load of 2 ( )

A truck can hold 4 tons and 500 kilograms of rice, which is ( ) kilograms.

An ostrich egg weighs 1500 grams, which is ( ) kilogram ( ) grams.

2. Fill in ○ with ＞, ＜ or =

5 tons ( ) 5 kilograms

3 tons ( ) 4050 kg

4 meters ( ) 1500 mm

6900 kg ( ) 7 tons

8 tons ( ) 8000 kg

6 tons 200 kg ( ) 6000 kg

4050kg ( ) 5 tons

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For more information about the "Animal Interesting Stories" PPT courseware, please click the "Animal Interesting Stories ppt" tab.

"Animal Fun Facts" PPT Courseware 3:

"Interesting Animal Facts" PPT Courseware 3 What questions can you ask? How much does a gram weigh? To measure the weight of lighter items, grams are usually used as the unit, and grams are represented by the symbol g. We often use scales to weigh relatively light items. To measure the weight of heavier items, the unit is usually kilograms.

"Animal Fun Facts" PPT courseware:

"Animal Fun Facts" PPT courseware Learning objectives 1. Combined with specific life situations, feel and understand the mass units of grams and kilograms, and understand the actual masses of 1 kilogram and 1 gram. 2. Understand 1 kilogram = 1000 grams and be able to perform simple conversions. 3. Experience mathematics and practical life...

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Update Time: 2024-09-14

This template belongs to Mathematics courseware Qingdao Edition Third Grade Mathematics Volume 1 industry PPT template

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