NA5-5: Know commonly used fraction, decimal, and percentage conversions.

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Elaboration on this Achievement Objective

This means students will be able to express any of the fractions (halves, quarters, thirds, fifths, eighths, tenths, hundredths and thousandths) as decimals and percentages. For example, 3/8 = 0.375 = 37.5% and use whatever form is easiest for a given calculation, for example 30% of $78 as 3/10 of 78 = box. . Students should also be able to give the fraction form of any decimals to three places and vice versa, for example 1.346 = 1346/1000, and express percentages, including those greater than one hundred, as decimals and vice versa, for example 1.75 as 175%.