The teachers are having a party! Ms. Susanna Post is teaching us how to estimate and measure liquid volumes and masses. Can you help Ms. Post mix together a delicious batch of sweet tea to serve to ...

THOUGH there is little that is new either in the method or contents of this book, teachers will find here a clear, well-art-anged set of practical lessons on the measurement of length, area, volume, ...

How does one go about measuring the mass of an object? Mass is defined as the amount of matter an object contains. This is very different from weight, of course, as the mass of our object would remain ...