Walt estimate and measure in cm and m.
Estimate means take a guess. When we estimate we use information we a (ready know then try to guess an answer as close as possible to the correct means measurement.
After we estimate we needs to check to see if our estimation is correct
To learn this we flew our planes.
My estimate was 10 m 45 cm
My plane actually flew 12 m and 52 cm
My estimate was wrong.
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