Mathematic Crossword puzzle By: Dannelle Elvina Kuanda

1234567891011121314151617181920212223
Across
  1. 2. 3y+4x-x
  2. 5. 9^3
  3. 7. What is the sum of a quadrilateral?
  4. 8. 20 is less than 98
  5. 10. a drop of 30 marks
  6. 11. There are 3 angles on a straight line. One of them is 84° and the second angle is 60°. Find the value of the third angle.
  7. 12. Expand 5(y-2)+4y
  8. 14. ° Angle sum of interior angles of a 12-sided polygon
  9. 15. HCF of 64 and 144
  10. 17. Prime factor of 108
  11. 18. 27^x+9
  12. 20. √1936
  13. 21. Root of 3249
  14. 22. 5^5
  15. 23. LCM of 8 and 12
Down
  1. 1. 2x+2x+2x+2x
  2. 3. An increase of $59
  3. 4. 69.235 Round to the whole number
  4. 5. triangle ABC, angle a= 83° angle b= 90°. Find angle c
  5. 6. An isosceles triangle, Angle M and N are equal. Angle O is 20°Find angle M and N
  6. 7. Angle of circle
  7. 9. Round 8.093 to 3 significant figure
  8. 11. (3+3)×(10÷2)
  9. 13. triangle xyz, angle x= 30°and z= 50°. Find angle y
  10. 14. A polygon has an angle sum of 2520°. How many sides does it have?
  11. 15. Simplify 12x^2-4x+2xy
  12. 16. Write the expression using index notation t×t×u×u×t×u×t×t×u×t×u×u×u
  13. 19. Given that x=6 and y= 13. x+y
  14. 21. 5.1 is greater than 4
  15. 23. -4t+6t