Group 3 math crossword

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Across
  1. 2. statements that are assumed to be true without proof
  2. 4. a shape with no sides or corners
  3. 7. an angle which is greater than 90° and less than 180°
  4. 8. also called a counting frame, is a hand-operated calculating tool of unknown origin used since ancient times
  5. 12. the product of an integer and all the integers below it; e.g. factorial four ( 4! ) is equal to 24
  6. 13. an enumerated collection of objects in which repetitions are allowed and order matters.
  7. 16. the branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.
  8. 18. a closed two-dimensional polygon with six sides
  9. 19. is a mathematical statement that shows that two mathematical expressions are equal
  10. 22. A symbol or name that stands for a number
  11. 23. relation which makes a non-equal comparison between two numbers or other mathematical expressions
  12. 24. examples of these are: 2,4,6
  13. 25. the fundamental of mathematics that includes the operations of numbers
  14. 28. a number representing a single or the only entity
  15. 29. a statement that can be demonstrated to be true by accepted mathematical operations and arguments
  16. 34. angles that measure less than 90 degrees
  17. 35. to determine mathematically in the case of a number or amount, or in the case of an abstract problem to deduce the answer using logic, reason or common sense.
  18. 38. The √ symbol that is used to denote square root or nth roots
  19. 39. a set of real numbers that contains all real numbers lying between any two numbers of the set
  20. 42. is either a single number or variable, or numbers and variables multiplied together. Terms are separated by + or − signs, or sometimes by divide
  21. 43. the total space taken up by a flat (2-D) surface or shape of an object
  22. 44. 3x3=
Down
  1. 1. quantity of constant magnitude which is used to measure the magnitudes of other quantities of the same manner
  2. 3. a single number taken as representative of a list of numbers
  3. 5. a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter
  4. 6. branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures
  5. 9. a plane figure made up of line segments connected to form a closed polygonal chain.
  6. 10. 2x5=
  7. 11. the numbers without fractions and it is a collection of positive integers and zero
  8. 14. a three-dimensional geometric shape that tapers smoothly from a flat base to a point called the apex or vertex
  9. 15. a line segment that passes through the center and its endpoints are on the circumference of a circle
  10. 16. the smallest prime number, and the only even prime number
  11. 17. number that can only be divided by one or itself
  12. 19. 8+3=
  13. 20. a geometric shape containing detailed structure at arbitrarily small scales
  14. 21. function or operation which reverses the order or operation of another function or operation
  15. 24. the operation of raising one quantity to the power of another
  16. 26. a triangle with two equal sides
  17. 27. two lines in the same plane that are at equal distance from each other and never meet
  18. 30. a mathematical calculation of the number of ways a particular set can be arranged
  19. 31. is a polyhedron comprising an n-sided polygon base, a second base which is a translated copy (rigidly moved without rotation) of the first, and n other faces, necessarily all parallelograms, joining corresponding sides of the two bases
  20. 32. a set of vectors in that space that can be used as coordinates for it
  21. 33. the result of an addition
  22. 36. the measurement or extent of something from end to end
  23. 37. formal examination of an organization's or individual's accounts or financial situation
  24. 40. of a circle or sphere is any of the line segments from its center to its perimeter
  25. 41. the SI unit of length or distance