Mathematics Crossword Puzzle

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Across
  1. 1. 5(4 - 2) + 4 ÷ 2 + 5
  2. 4. 5a + 3b - 7(a + 2b) = -2a - 11b
  3. 5. A prime number between 84 and 96
  4. 7. 3x + 2xy - 2x
  5. 8. ∠A and ∠B are corresponding angles, given that ∠A = 79°, find ∠B
  6. 9. HCF of 24 and 36
  7. 11. 5 x 36 + 12 ÷ 2
  8. 12. 6^5 + 2^3
  9. 14. 8 x (56 - 9) + 6 ÷ 2
  10. 15. Given that x = 3, find 8x - 9(3x + 4) + 146
  11. 17. Given that x = 7, find 5x + x - 4x ÷ 2 + 11
  12. 19. √4761
  13. 20. the interior sum of a pentagon
  14. 21. 7^9 - 6^4 + 3^8 ÷ 3^6
  15. 25. ∠A and ∠B are co-interior angles, given that ∠A is 112°, find ∠B
  16. 26. In an isosceles triangle, ∠A = ∠B = 38°, find ∠C
  17. 27. Round 6.943 to 3 significant figures
Down
  1. 2. 3495 ÷ 5 + 9 ÷ 3
  2. 3. 9x + 6xy + 4xy - 8x + 9
  3. 4. 98765 below sea level
  4. 6. 5(y - 2) + 3(y + 6)
  5. 10. 10² + 5² x 10 + 2000
  6. 13. what is the size of one exterior angle in a octagon
  7. 16. What is the sum of the interior angles of a quadrilateral
  8. 18. 24 = 2 x 2 x 2 x 3 and 12 = 2 x 2 x 3. Find the HCF of 24 and 12
  9. 20. In a triangle, ∠A = 46°, ∠B = 79°, find ∠C
  10. 21. a loss of 46kg
  11. 22. LCM of 7 and 8
  12. 23. the interior sum of a isosceles trapezoid
  13. 24. Round 36.793 to 4 significant figures