Across
- 2. Change 11 4/7 to a decimals. Express your answer correct to 4 significant figure.
- 5. Multiply the sum of all the interior angles of a triangle by 3.
- 7. Simplify 4(3(5x + 7))+2(x+9)
- 10. Evaluate (7-9)^6-24.
- 11. Evaluate 7^4-8^3.
- 13. Simplify 12y + 7x - 5y + 3x
- 15. Write in mathematical symbols the difference of 5 multiplied by x and 10.
- 17. Nana’s bank account is $300 overdrawn. How much money will she need to deposit to get her account to have a balance of $755?
- 19. Change 23 8/9 to a decimals. Express your answer correct to 4 significant figure.
- 20. Write in mathematical symbols the sum of x multiplied by 7 and the difference between 10 and y
- 21. Simplify 53 + 16(18 - 15).
- 22. Express the result of 5x6+5 as a product of prime numbers.
- 24. Simplify 7xy + 2x - 3xy.
- 25. If x=2 and y=9, find x(5y+8-3)+2y(x^2+5).
- 26. If the angles on a line are 2x, 4x and 60°, and x°, find x.
- 27. What is the smallest angle of a quadrilateral if the angles of a quadrilateral are x, 55°, 65° and 5x?
Down
- 1. Multiply the remaining angle of an isosceles triangle when the base angles are 45° and a right angles.
- 3. What is the sum of the interior angles of a polygon with 30 sides divided by a right angles.
- 4. What is the LCM of the LCM of 120 and 124 and the HCF of 216 and 270?
- 6. The number of odd prime numbers before 50 multiplied by 4?
- 8. What is the sum of all the exterior angles of a polygon with 53 sides add by the sum of all the interior angles of a hexagon?
- 9. What is the HCF of the HCF of 150 and 30 and the LCM of 120 and 15?
- 10. What is 5 to the power of 4 multiplied by 7?
- 11. Simplify 5x(3y - 8)+3x(5x+10)
- 12. Joel is on the peak of a 50m hill, he goes down 20m and climbs back up 5m, what height is he at now?
- 14. Simplify 17 * (28 / 2(4 -2)).
- 16. Let x be 5 and y be 7, find x(y-4x) + (x^2-y)
- 18. x+y is a co-interior angle, if x is 60°, what is y?
- 23. What is the square root of 1600 multiplied by the cube root of 5832?
- 24. If the angles in a quadrilateral are 45°, 70°, 201°, and x, find x.