Western Normal University Edition First Grade Mathematics Volume 1
Beijing Normal University Edition Seventh Grade Mathematics Volume 1
People's Education Press First Grade Mathematics Volume 1
People's Education Press Second Grade Mathematics Volume 1
People's Education Press Third Grade Mathematics Volume 1
Beijing Normal University Edition Seventh Grade Mathematics Volume 2
Qingdao Edition Seventh Grade Mathematics Volume 1
Beijing Normal University Edition Fifth Grade Mathematics Volume 1
Hebei Education Edition Third Grade Mathematics Volume 1
Beijing Normal University Edition Eighth Grade Mathematics Volume 1
People's Education High School Mathematics Edition B Compulsory Course 2
Hebei Education Edition Seventh Grade Mathematics Volume 2
Hebei Education Edition Fourth Grade Mathematics Volume 2
Beijing Normal University Edition Fifth Grade Mathematics Volume 2
Qingdao Edition Seventh Grade Mathematics Volume 2
People's Education Press First Grade Mathematics Volume 2
Category | Format | Size |
---|---|---|
Western Normal University Edition Second Grade Mathematics Volume 1 | pptx | 6 MB |
Description
"Measuring length in centimeters" PPT courseware for measuring length
summary
When measuring the length of an object, you must use a unified standard to measure it, so that you can know how long the object is.
Vertical lines - three vertical lines of different lengths are called tick marks
Numbers - arranged in order from smallest to largest
0 mark - marks the beginning
cm——centimetre
Centimeters can be represented by the letters cm.
Cm is read as: centimeter
1 centimeter can be expressed as: 1cm
When measuring the length of an object, first lay the object flat. Generally, align the left side of the object with the "0" scale line, align the right side of the object with a few centimeters, and read out the centimeters.
If one end of the object is not facing the "0" scale of the ruler, but is facing other scales, just subtract the two scales that the object is facing, and you will also get the length of the object.
measure
Ask students to work in groups of four to measure:
A. The mathematics book is ( ) centimeters long and about ( ) centimeters wide.
B. Your palm is about ( ) centimeters long.
C. You can also measure your favorite objects around you.
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For more information about the PPT courseware "Measuring length using centimeters as the unit to measure length", please click the Measuring length ppt using centimeters as the unit to measure length ppt tag.
"Using Centimeters as Units to Measure Length" Measuring Length PPT Courseware 2:
"Measuring Length in Centimeters" Measuring Length PPT Courseware 2 To measure shorter objects, centimeters can be used as units. Sometimes decimeters can also be used as units. Centimeters can be represented by the letters cm, and 1 centimeter can be written as 1cm and read as 1 centimeter. 1. Lay the object flat 2. Place the object...
File Info
Update Time: 2024-10-11
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