Comparing Decimal Lengths with a Ruler

This lesson teaches how to compare decimal lengths using a ruler. It begins with a review of place values, focusing on tenths and hundredths. The lesson explains how to use the centimeter side of a ruler, where each centimeter is divided into 10 millimeters. It demonstrates measuring objects and comparing lengths, such as 4.2 cm to 4.8 cm, and 2.01 cm to 0.99 cm. The lesson concludes with a summary of the comparison techniques learned.

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