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Mathematical Vocabulary Flash Cards

Mathematical Vocabulary Flash Cards. © Brent Coley 2008 | www.mrcoley.com. Sum. The answer to an addition ( + ) problem. Difference. The answer to a subtraction ( - ) problem. Product. The answer to a multiplication ( x or * ) problem. Quotient. The answer to a

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Mathematical Vocabulary Flash Cards

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  1. Mathematical VocabularyFlash Cards © Brent Coley 2008 | www.mrcoley.com

  2. Sum • The answer to an • addition (+) problem

  3. Difference • The answer to a • subtraction (-) problem

  4. Product • The answer to a • multiplication (x or*) problem

  5. Quotient • The answer to a • division (÷) problem

  6. Factors • Numbers that will evenly divide into another number • (the numbers you can multiply together to get another number) • Factors of 12: 1, 2, 3, 4, 6, 12 • (1 * 12, 2 * 6, 3 * 4)

  7. Prime Number • A whole number greater than 1 that has only two factors: 1 and itself • (The only way to get the number is to multiply1 times itself.) • 2, 3, 5, 7, 11, 13, 17, …

  8. Composite Number • A number that has more than two factors • (there is more than one way to multiply to get the number) • “9”: 1 * 9, 3 * 3 • “12”: 1 * 12, 2 * 6, 3 * 4

  9. Prime Factorization • A factor tree – breaking a number down into its prime factors 16 16 = 2 * 2 * 2 * 2 4 4 2 2 2 2

  10. Greatest Common Factor (GCF) • The biggest factor of two or more numbers • The GCF of 12 and 18 is 6. • Factors of 12 → 1, 2, 3, 4, 6, 12 • Factors of 18 → 1, 2, 3, 6, 9, 18

  11. Least Common Multiple (LCM) • Smallest number that is a multiple of two or more numbers • The LCM of 3 and 4 is 12. • 3 → 3, 6, 9, 12 • 4 → 4, 8, 12

  12. Parts of a Fraction • ¾ • Numerator = top number • Denominator = bottom number

  13. Exponent • Tells how many times the base number is being multiplied by itself • 23 = 2 * 2 * 2 exponent base number

  14. Parallel Lines • When two lines are always the same distance apart (they will never touch)

  15. Perpendicular Lines • When two lines intersect to form a right angle (90°)

  16. Perimeter • The distance around a two-dimensional figure To find the perimeter, add all the sides of the figure. Perimeter = sum of all sides

  17. Area of a Rectangle • The amount of space inside the rectangle To find the area, multiply the base times the height. height base Area = base * height

  18. Area of a Triangle • The amount of space inside the triangle To find the area, multiply the base times the height, then divide by 2. height base Area = ½ (base * height)

  19. Volume • The amount of space inside a three-dimensional figure To find the volume, multiply base times height times depth. height depth base Volume = base * height * depth

  20. Radius • A line segment from the center of a circle to any point on the circle radius

  21. Diameter • A line segment that passes through the center of a circle diameter

  22. Circumference • The distance around a circle To find the circumference, multiply π (3.14) by the diameter. diameter Circumference = π* diameter

  23. Area of a Circle • The amount of space inside the circle To find the area, multiply π (3.14) by the squared radius. radius Area = π* radius2

  24. Maximum • The largest number in a set of numbers. • 1, 5, 9, 12, 17, 19, 20 • Maximum = 20

  25. Minimum • The smallest number in a set of numbers. • 1, 5, 9, 12, 17, 19, 20 • Minimum = 1

  26. Range • The difference between the maximum and minimum • (maximum – minimum) • 1, 5, 9, 12, 17, 19, 20 • Range = 19 • Max. (20) – Min. (1) = 19

  27. Mean • The average. Add up all the numbers and divide by how many numbers you added. • 2, 3, 5, 7, 8 • Mean = 5 • (The five numbers add up to 25. 25 ÷ 5 = 5)

  28. Mode • The number that occurs most often. • 1, 5, 5, 9, 9, 9, 11, 13 • Mode = 9 • (There are more 9’s than any other number.)

  29. Median • The middle number when the numbers are lined up smallest to largest • 1, 5, 9, 12, 17, 19, 20 • Median = 12

  30. Title image courtesy of Wikimedia Commons. Used with permission.

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