Semantics and logic honors. Mr. Torres. Bell ringer. The sat math section: What is it?. The SAT Math section covers math from basic number properties through mid-level Geometry, but does not include Trigonometry or Pre-Calculus.
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Squaring a number simply means that you multiply it by itself.
The number in the exponent tells you how many of the number that serves as the base are involved in the multiplication.
E.g. – = 4 x 4 x 4 = 64
Square Roots ask you to find how many times a number was multiplied by itself to reach the number inside the radical. The number of times a number must be multiplied by itself can be found on the outside of the radical. No number means 2, or square root.
Fractions are numbers that have a numerator and a denominator and a line of division between them. E.g. = .
The reciprocal of a fraction inverts the numerator and denominator so that the fraction is upside-down compared to the first fraction.
Decimals have the same value as their equivalent fraction, but are represented instead by numbers after a decimal point that shows how many times past the number you started with you would have to divide another number to get an even number. E.g. = 0.75.
Decimals that have no repeating pattern after the decimal point are said to be irrational.
Scientific Notation – special decimals that are followed by “ x ” and is used to abbreviate long numbers with high values. E.g. 12546 = 1.2546 x .