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Equation

mathematical statement that two expressions are equal

Proportion

a statement that says two ratios are equal

Fraction

comparison of parts to a whole

Decimal

a proper fraction whose denominator is a power of 10

Ratio

Comparing two quantities by division

Similar Figures

Two figures that have the same shape, but not necessarily the same size; The sides of the corresponding sides are proportional or all the angles are equal.

Divisors

the number by which a dividend is divided

Capacity

the amount that can be contained; volume

Complementary Angles

the sum of two angles that equal 90 degrees

Supplementary Angles

the sum of two angles that equal 180 degrees