Mathematics Grade 8

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Across
  1. 3. When numbers are arranged from the largest to the smallest
  2. 7. A quadrilateral with opposite sides parallel
  3. 8. The distance around the outside of a figure
  4. 9. A number that is multiplied by the variable of a single term. example, 6 in the term 6a
  5. 11. When two lines intersect at a 90 degrees angle
  6. 14. An instrument used to measure the size of angles
  7. 18. The capacity of a three dimensional object
  8. 19. An angle between 90 and 180 degrees
  9. 20. An angle of 360 degrees
  10. 21. A three-dimensional shape with six rectangular faces, eight vertices and 12 edges
  11. 23. An area equal to 10 000 square metres
  12. 26. replacing the variables with numbers
  13. 27. This number tells you how many of the same letters/numbers are multiplied together
  14. 28. A number that will divide exactly into a given number
  15. 29. When two lines never intersect
Down
  1. 1. the unknown in an algebraic expression
  2. 2. The answer when two numbers are divided
  3. 4. A triangle with three equal sides
  4. 5. The line that divides a figure into two identical halves
  5. 6. two angles that add up to 90 degrees
  6. 10. a triangle with two equal sides
  7. 12. The mirror image of a figure over a line
  8. 13. Two angles that add up to 180 degrees
  9. 15. the distance from the centre of the circle to the circumference
  10. 16. A natural number which has more than two factors
  11. 17. A number or ratio that can be expressed as a fraction of 100.
  12. 22. the correct order in which operations must be done
  13. 24. When two lines are parallel, the ..... angles are equal
  14. 25. Only ....... terms can be added or subtracted