Vocabulary 1

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Across
  1. 2. An angle less than 90⁰ but greater than 0⁰.
  2. 4. The distance all the way around the edge of a 2D shape. To find the perimeter of a shape, add together the lengths of all the sides.
  3. 7. Two numbers that locate a specific point on a grid. The grid has four quadrants and two axes: the x axis (horizontal) and y axis (vertical).
  4. 9. A number that can be written with no fractional part.
  5. 12. Angle less than 360⁰ but greater than 180⁰.
  6. 13. A straight line from one point on the circumference of a circle to another point passing through the centre of the circle.
  7. 14. Represents a part of a whole or any number of equal parts. It is made up of an integer (numerator) above a bar, (vinculum), and an integer (denominator), below the bar.
  8. 19. Answer when you multiply numbers together.
  9. 21. The measure of the flat space enclosed by a given boundary. Is usually measured in square units such as square centimetres (𝑐𝑚2 ).
  10. 23. A straight line from the centre pf a circle to its circumference.
  11. 25. An integer that, when divided by 2, will give another integer and no remainder.
  12. 26. The distance all the way around a circle. (Perimeter).
  13. 31. fraction A fraction where the denominator is any power of ten.
  14. 32. Symbols that are used to make numbers. In the decimal system 0–9.
  15. 33. Lines that are always the same distance apart, (equidistant).
  16. 34. point Dot used to separate the integer part from the fractional part of a number.
  17. 36. Symbols forming part of the universal language of mathematics. The four operators +, –, ×, ÷ are the first set of symbols.
  18. 39. A mathematical relationship or rule expressed in symbols.
  19. 42. The measure of space/capacity taken up by a three dimensional object. Volume is usually measured in cubic units such as cubic centimetres(cm3 ).
Down
  1. 1. Numbers typical of a set of numbers.
  2. 3. An algebraic statement built up from integer constants, variables (letters) and operators.
  3. 5. The process of finding the value of a variable that makes both sides of an equation equal.
  4. 6. An integer is a factor of another integer if it divides exactly into it without a remainder.
  5. 8. The result of subtracting a smaller number from a bigger number, the result always being a positive number.
  6. 10. A list of numbers, (a pattern) that are linked by a rule.
  7. 11. The upper (above the bar), integer of a fraction, representing those equal parts that are included.
  8. 15. A variable quantity represented in algebra by a letter.
  9. 16. Numbers greater than zero.
  10. 17. The correct order in which to complete mathematical operations.
  11. 18. The number of times to repeat a multiplication of a number by itself.
  12. 19. The ratio of a circle’s circumference to its diameter.
  13. 20. Angle less than 180⁰ but greater than 90⁰.
  14. 22. An algebraic statement meaning that two expressions are equal in value.
  15. 24. The lower (below the bar), integer of a fraction, representing the number of equal parts that the whole has been divided into.
  16. 27. Numbers less than zero.
  17. 28. A good guess at a value, sometimes using a formal rule of accuracy.
  18. 29. Means parts per 100.
  19. 30. Shows the relative sizes of two or more quantities and describes how these quantities are related.
  20. 35. The product of any quantity and an integer.
  21. 37. Answer when you add numbers together.
  22. 38. A positive integer with exactly two distinct factors.
  23. 40. An integer that, when divided by 2, will give another integer and a remainder of 1.
  24. 41. Measurement of the amount of ‘turning’ between two straight lines that meet at a vertex (point). Classified by size: acute, right-angle, obtuse, straight-line, reflex. Measured in degrees (°).