GED Math Vocabulary Flashcards

Key Math Terms and Definitions

• Sum: Result of an addition problem.
• Difference: Result of a subtraction problem.
• Product: Result of a multiplication problem.
• Quotient: Result of a division problem.
• Divisor: The number that divides another number.
• Remainder: Amount left after division or subtraction.

Words Associated with Operations

• Addition Keywords: sum, total, all together.
• Subtraction Keywords: how much more, how much less, find the difference, deduct.
• Division Keywords: share, split, per, average, grouped into.

Salary Terms

• Gross: Total salary before taxes and deductions.
• Net: Salary remaining after taxes and deductions.

Mathematical Notations and Order

• Parentheses: Indicates operations to perform first in calculations.
• Exponent: Indicates how many times to multiply a number by itself.
• Base Number: The number that has an exponent.

Root and Operations

• Square Root: A number that yields a given number when multiplied by itself.
• Order of Operations: Remembered by "Please Excuse My Dear Aunt Sally" (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction).

Statistical Terms

• Mean (Average): Sum of data divided by number of data points.
• Median: Middle value of a set of ordered numbers.

Geometric Concepts

• Perimeter: Sum of the lengths of all sides of a figure.
• Area: Measure of space inside a shape's perimeter.
• Volume: Amount of space inside a three-dimensional object, calculated as ( V = (\pi \times r^2) \times h ).

Fractions and Ratios

• Fraction: A part of a whole.
• Numerator: The top part of a fraction, indicating how many parts are counted.
• Denominator: The bottom part of a fraction, showing the total equal parts in the whole.
• Equivalent Fractions: Different fractions representing the same value.
• Reducing Fractions: Simplifying fractions to their lowest terms.
• Improper Fraction: Fraction where the numerator is larger than the denominator.
• Mixed Number: A whole number combined with a fraction.
• Lowest Common Denominator: Smallest denominator shared by two or more fractions.

Geometry Shapes and Properties

• Triangle: A polygon with three sides.
• Perimeter of a Triangle: The total distance around the triangle (sum of all sides).
• Area of a Triangle: Calculated as ( A = \frac{1}{2} \times base \times height ).
• Right Triangle: Contains one 90-degree angle.
• Parallelogram: A four-sided figure with opposite sides parallel and equal.
• Area of a Parallelogram: Calculated as ( A = base \times height ).

Measurement Conversions

• 1 Year: 365 days, 52 weeks, 12 months.
• 1 Pint: 16 ounces, 2 cups.
• 1 Quart: 32 ounces, 4 cups.
• 1 Gallon: 4 quarts, 128 ounces, 16 cups.
• 1 Foot: 12 inches.
• 1 Yard: 3 feet, 36 inches.
• 1 Pound (1 lb): 16 ounces.
• 1 Ton: 2,000 pounds.
• 1 Liter: Approximately 1 quart.
• 1 Milliliter: 1/1000 of a liter.
• 1 Gram: 1/28 of an ounce.
• 1 Milligram: 1/1000 of a gram.