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Calculating with Free: Explanation videos
Numerous videos in which Free explains calculation concepts and operations:
- add up,
- subtract,
- relationship between addition and subtraction,
- multiply,
- the tables,
- multiply several numbers,
- multiplying large numbers,
- surface,
- m² / cm²,
- least common …
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Addition and subtraction up to 1000 with the ten-part sweets number system
Papa Jan tells in the video how he and his son get started with the candy-number system.
The units are replaced by sweets, the tens of bags and the hundreds by boxes.Translated by
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