Decimal Number Line with Decimal Extenders


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Demonstrates the decimal numeration and makes it easy to understand how it works. Between the whole numbers there are decimal marks. They divide the distance between 2 whole numbers in ten parts. You can name each decimal mark exactly. For example: The 6th mark after the integer 2 is called 2.6.
But what about the space between decimal marks? Use
the first decimal expander and show plausibly that the space between 2 decimal marks can also be divided in 10 parts. For example: The 6th mark between 2.6 and
2.7 is called 2.66 (as shown in the picture).
If you want to go one step further, you can explain with the help of the 2nd decimal expander that the space between 2.66 and 2.67 can also be devided in the parts: to show this simply put the 2nd extender above the first one. Length: 1.3 m
Ref: 88371