Arithmetic Grade One

Lesson One hundred twenty-three: Centimeters


Length in Centimeters
        

LENGTH: 4 centimeters
        

LENGTH: 11 centimeters


NOTE: First of all, in the applet the length of the intervals of the measuring bar may vary depending on your screen settings. In any case the intervals will not be exactly a centimeter. So, it is important to show the student an actual ruler with centimeters and have the student practice measuring with it. Draw lines for the student to measure and find objects for the student to measure. The student may enjoy comparing the length of fingers, for instance. The student does not write centimeter or cm following the answer to the problems in the following applet.

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