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Unit 2: Rate, Ratio and Proportional Reasoning Using Equivalent Fractions
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Key Concepts:
Terms in this set (8)
Percent
A fraction or ratio in which the denominator is 100. A number compared to 100.
Proportion
An equation which states that two ratios are equal.
Rate
A comparison of two quantities that have different units of measure.
Ratio
Compares quantities that share a fixed, multiplicative relationship.
Rational Number
A number that can be written as a/b where a and b are integers, but b is not equal to 0.
Unit Ratio
A ratio written as some number to 1.
Quantity
An amount that can be counted or measured.
Tape diagram
A thinking tool used to visually represent a mathematical problem and
transform the words into an appropriate numerical operation. Tape diagrams are linear drawings that look like a segment of tape, used to illustrate number relationships.
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