Common Core Math Vocabulary

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Full list of words from this list:

words only definitions & notes
  1. acute angle
    an angle less than 90 degrees but more than 0 degrees
  2. addition
    the arithmetic operation of summing
  3. angle
    the space between two lines or planes that intersect
  4. binomial
    a quantity expressed as a sum or difference of two terms
  5. decagon
    a closed shape with ten sides and ten angles
  6. difference
    the quality of being unlike or dissimilar
  7. dividend
    a number to be divided by another number
  8. divisor
    an integer that is a factor of another integer
  9. fraction
    a small part or item forming a piece of a whole
  10. heptagon
    a seven-sided polygon
  11. hexagon
    a six-sided polygon
  12. multiplication
    arithmetic operation determining the product of two numbers
  13. nonagon
    a nine-sided polygon
  14. obtuse angle
    an angle between 90 and 180 degrees
  15. octagon
    a shape with eight angles and eight sides
  16. pentagon
    a shape with five angles and five sides
  17. polygon
    a closed plane figure bounded by straight sides
  18. product
    an artifact that has been created by someone or some process
  19. quadrilateral
    a four-sided polygon
  20. quotient
    the number obtained by division
  21. rectangle
    a parallelogram with four right angles
  22. right angle
    the 90 degree angle between two perpendicular lines
  23. square
    a polygon with four equal sides and four right angles
  24. subtraction
    arithmetic operation of deducting one quantity from another
  25. sum
    a quantity obtained by the addition of a group of numbers
  26. triangle
    a three-sided polygon
Created on Thu Feb 14 09:04:59 EST 2013 (updated Thu Feb 14 09:26:18 EST 2013)

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