solve practical problems involving rational numbers, percents, ratios, and proportions; and
The student will
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Using 10% as a benchmark, compute 5%, 10%, 15%, or 20% of a given whole number.
Using 10% as a benchmark, compute 5%, 10%, 15%, or 20% in a practical situation such as tips, tax, and discounts.
investigate and describe fractions, decimals, and percents as ratios;
A rate is a ratio that compares two quantities measured in different units. A unit rate is a rate with a denominator of 1.
Proportions can be used to represent percent problems as follows: percent/100 = part/whole.