Chapter 1-3

Edit Answers
1234567891011121314151617181920212223242526272829
Across
  1. 1. What is the HCF of 546 and 624 by means of prime factors?
  2. 4. The cube root of the sum of the interior angles of 42069024 isosceles triangles rounded off to the nearest whole number.
  3. 6. The square root of the sum of the interior angles of 6969 scalene triangles rounded off to the nearest whole number.
  4. 7. Calculate ³√34012224.
  5. 10. The angle product of 169 lines and the exterior angles of a hexagon.
  6. 12. Calculate and Simplify: [42÷6-4×9] + 98761234
  7. 15. The sum of all prime numbers starting from 500 uptill 700 then multiplied by 3.5.
  8. 17. Round the number 765666321 to the nearest ten millions.
  9. 18. The sum of interior angles of 2 quadrilaterals that is only sometimes a square, multiplied by the total sides.
  10. 19. Express 9780765 into 4 significant figures.
  11. 21. Simplify 14(8x-2) + 11(x-7) by removing brackets and collecting like terms and when x=3.
  12. 22. Evaluate 8¹¹.
  13. 23. On a cold day in Russia , the temperature at 6a.m. was -9°C. By noon the temperature had risen to 7°C. By 8.pm. The temperature had dropped by 17°C from its value at noon. What was the temperature at 8p.m.?
  14. 24. Simplify 23x²(5-x) + 12(x²+7x³) by removing brackets and collecting like terms and when x=2.
  15. 25. The product of interior angles of 2 quadrilaterals that is always a parallelogram, added to the interior angles of a kite.
  16. 27. What is the value of the expression 7b²/(a+c)² when a=3 and b=8 and c=1?
  17. 29. What is the LCM of 54 and 90 using the prime factorization?
Down
  1. 2. The product of all composite numbers, that are NOT odd numbers, starting from 1 till 20 then divided by the product of the first 5 prime numbers, rounded off to the nearest whole number.
  2. 3. Calculate 666³
  3. 5. What is the HCF of 22, 33, 44, 55 and 121?
  4. 8. The angle sum of 13 lines and the interior angles of a pentagon.
  5. 9. What is the LCM of 36, 27 and 18?
  6. 10. Simplify 150x²y²z/6xy as far as possible when x=1 and y=2 and z=3
  7. 11. Calculate and Simplify: [98761 × (128+77) +123456789]
  8. 13. The measure of an interior angle of a 98 sided polygon.
  9. 14. Mr. Woong has a bank balance of $100,000,000. He deposits $666.00 and then withdraws $7,777.00. What is his new balance?
  10. 16. Find the value of x in (x-1)^¾ = 64
  11. 20. The measure of an interior angle of a 69 sided polygon.
  12. 26. Simplify 4x³yz² × 9xy²z² × 2xy³z when x=2 and y=4 and z=1280
  13. 28. What is the value of the expression 2a(4a+10b)/c² when a=4 and b=9 and c=2?