Years 9–10 Mathematics Glossary

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
Across
  1. 3. Replacing a variable with a number or another expression.
  2. 4. A bar graph for grouped data.
  3. 5. Using powers of 10 to write very large or small numbers
  4. 9. A graph of data points that can show the relationships between variables.
  5. 10. The chance of an event happening.
  6. 12. The amount of space inside a shape.
  7. 14. A flip of a shape over a line.
  8. 15. A statement showing values that are not equal.
  9. 17. The angle from the horizontal looking down.
  10. 18. Where the line of a graph crosses an axis.
  11. 22. The steepness of a line.
  12. 23. Removing brackets by multiplying terms.
  13. 27. Events where one does not affect the other.
  14. 32. A value far from the other values in the data set.
  15. 34. The volume that a 3D space can hold
  16. 35. (Exponent) A superscript indicating the number of times a value is multiplied by itself.
  17. 36. A fractional ratio that defines the relationship between an angle and the corresponding side lengths of a right-angled triangle
  18. 37. How often a value occurs.
  19. 38. Events where one outcome affects another.
  20. 39. A statement showing two expressions that have equal numerical value.
  21. 40. The most common value.
  22. 42. The middle value.
  23. 43. Direction measured clockwise from north.
  24. 46. A mathematical phrase with numbers, variables (pronumerals), and operations.
  25. 47. A square root written in exact form that represents an irrational value.
  26. 48. The space inside a 3D object.
Down
  1. 1. The angle from the horizontal looking up.
  2. 2. The ratio of the number of times a specific event or value occurs to the total number of outcomes or trials, i.e. experimental probability.
  3. 6. To write an expression as a product of its factors.
  4. 7. A turn of a shape around a fixed point.
  5. 8. A fixed value that is not variable.
  6. 11. Any real number that can be expressed as a fraction a/b, of two integers.
  7. 13. The difference between the highest and lowest values.
  8. 16. A change to a shape’s position or size.
  9. 19. A grid used to plot points.
  10. 20. a variable typically represented by a letter or symbol used to represent any number
  11. 21. The total area of the outside of a 3D object.
  12. 24. Two or more equations sharing common variables that together can be solved to find a common solution.
  13. 25. The number used to enlarge or reduce a shape.
  14. 26. A symbol that represents an unknown or changing value.
  15. 28. The distance around a shape.
  16. 29. A number multiplying a variable (pronumeral).
  17. 30. A relationship between two variables.
  18. 31. Equation An equation where the highest power of the variable is 1.
  19. 33. The longest side of a right-angled triangle.
  20. 40. The average of a data set.
  21. 41. All possible outcomes.
  22. 44. The general direction in data.
  23. 45. A number or expression that divides exactly into another.