"Knowledge of Kilometers" Measurement PPT teaching courseware

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"Knowledge of Kilometers" Measurement PPT teaching courseware

Part One: Review Import

fill in the blank.

5 centimeters = ( ) millimeters 300 centimeters = ( ) meters

A book is about 1 ( ) thick and a pen is about 18 ( ) long.

Xiaoli is about 128cm tall ( )

Thousand-meter understanding PPT, part 2: knowledge explanation

To measure relatively long distances, the unit is usually kilometers (km).

1000 meters is expressed in larger units as 1 kilometer

One lap is 400 meters,

2 and a half laps is 1000 meters.

How long is 1 kilometer (km)?

Go to the playground and measure the distance of 100 meters, walk around and see how far it is. 10 such lengths are 1000 meters.

3 kilometers = ( ) meters

1 kilometer is equal to 1000 meters, and there are three 1000 meters in 3 kilometers.

5000 meters = ( ) kilometers

1000 meters is 1 kilometer, and there are 5 1000 meters in 5000 meters.

Thousand-meter understanding PPT, the third part: practice testing

Fill it out.

5 kilometers = ( ) meters

600 meters + 400 meters = ( ) kilometers

6000 meters = ( ) kilometers

4 kilometers - 2 kilometers = ( ) meters

Thousand-meter understanding PPT, part 4: group cooperation

Estimate how far it is from your home to school?

Method analysis

How many steps are there in 100 meters?

100 meters, about 200 steps

How many steps are there from home to school?

It’s about 600 steps from home to school

How many meters is it from home to school?

There are three 200,300 meters in 600.

Thousand-meter understanding PPT, part 5: practice and consolidation

Fill it out.

30 cm = ( ) decimeter 100 mm = ( ) decimeter

3 meters = ( ) centimeters 5 kilometers = ( ) meters

Fill in the brackets with “＞”, “＜” or “=".

5 decimeter ( ) 5 mm 8 kilometers ( ) 40000 cm

6 decimeters ( ) 60 centimeters 1 meter ( ) 6 decimeters

Thousand-meter understanding PPT, part six: knowledge summary

Kilometers are widely used in life. When estimating the distance between two places, we can choose an appropriate estimation method based on the length of the distance.

after class homework

Exercise 6

Questions 10 and 11

Keywords: Free download of PPT courseware for third-grade mathematics from the People's Education Press, PPT download on knowledge of kilometers, PPT download on measurement, .PPT format;

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Update Time: 2024-09-06

This template belongs to Mathematics courseware People's Education Press Third Grade Mathematics Volume 1 industry PPT template

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