Question

Natalia sawed five boards of equal links to make a school each was 9/10 of a meter long what is the total length of the board she saw an express your answer as to some of the whole number and the remaining fractional units draw a number line to represent this problem

Answer 1

5×9/10=4.5
9/10 1 8/10 2 7/10 3 6/10 4 5/10
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5 5/10=4 1/2=4.5