For example
The length of a desk is about two rulers laid end to end.
In Grade 2
Children compare lengths directly end to end, then measure with hand spans and string, before using a ruler.
Watch out for
Children often measure from the very end of the ruler rather than from zero. Line the object up with the zero mark first.
Say it at home
Measure two things with a piece of string and ask which has the greater length.
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