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Building Blocks 1

Building Blocks 1. SG MATHEMATICS Credit. Qu. 1. If we write the number 375 000 000 000. in the form. what is the value of n. A. B. C. 12. 11. 10. D. E. 9. 8. Qu. 2. What is the scale factor that enlarges triangle ABC to PQR. Q. 12. 25°. B. 85°. P. 9. A. 75°. 6.

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Building Blocks 1

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  1. Building Blocks 1 SG MATHEMATICS Credit

  2. Qu. 1 If we write the number 375 000 000 000 in the form what is the value of n A B C 12 11 10 D E 9 8

  3. Qu. 2 What is the scale factor that enlarges triangle ABC to PQR Q 12 25° B 85° P 9 A 75° 6 3 25° R C A B C 2 4 D E ½ 3

  4. Qu. 3 Given Evaluate A B C 3 9 7 D E 1 2

  5. Qu. 4 What is the value of: A B C 18 6 0 D E 9 Don’t understand

  6. Qu. 5 (5, 12) What is the gradient of the line shown 2 A B C 2 -2 6 D E

  7. Qu. 6 E A AB is the diameter of the circle centre O. O 20° What is the value of EAB B A B C 20° 90° 70° D E 160° Don’t know

  8. Qu. 7 Put in its simplest form A B C D E Don’t understand

  9. Qu. 8 What is the value of: A B C 24 64 8 D E 27 Don’t understand

  10. Qu. 9 (5, 12) What is the y-intercept of the line shown 2 0 A B C 2 5 11 D E 0 Don’t understand

  11. Qu. 10 Simplify A B C D E

  12. Qu. 11 Break the brackets A B C D E

  13. Qu. 12 AB is a tangent to the circle centre O. R O What is the value of ROA 35° 45° B A P A B C 55° 45° 90° D E 80° 100°

  14. Qu. 13 Which of these shapes is a prism 1 2 3 4 A B C 1 and 4 only 4 only 1 and 3 only D E 2 only 2 and 4 only

  15. Qu. 14 (5, 12) What is the equation of the line shown 2 0 A B C D E Don’t understand

  16. Qu. 15 Factorise A B C D E

  17. Qu. 16 Solve the equation A B C D E

  18. Qu. 17 20 cm2 These two shapes are mathematically similar B A The area of shape A is 20 cm2. What is the area of shape B? 2 cm 6 cm A B C 60 cm2 180 cm2 160 cm2 D E 80 cm2 120 cm2

  19. 6.5 m2 2.2 m Qu. 18 The diagram shows a rubbish skip. The area of the trapezium is 6.5 m2 The width of the skip is 2.2 m. What is the volume of the skip ? A B C 14.3 m3 14.3 m3 7.2 m3 8.7 m3 D E 28.6 m3 Don’t understand

  20. (4, 9) 3 Qu. 19 What is the equation of this straight line A B C D E

  21. Qu. 20 What is the area of this triangle 10 cm 8 cm 13 cm A B C 80 cm2 52 cm2 65 cm2 D E 31 cm2 40 cm2

  22. Qu. 21 What is the equation of the line of symmetry for this parabola 1 9 A B C D E Don’t understand

  23. Qu. 22 What is the area of this circle ? O 14 cm (to nearest whole number) A B C 154 cm2 616 cm2 44 cm2 D E 28 cm2 22 cm2

  24. Qu. 23 E ABCD is a rectangle. M is the mid-point of AB. CE is a vertical post. What is the length of CM D C 12 m A B M 36 m (to one decimal place) A B C 21.6 m 48.0 m 37.9 m D E 30.0 m Don’t understand

  25. Qu. 24 A The area of this triangle is 60 cm2 B 60 cm2 What is the length of AB ? 6 cm C A B C 360 cm 5 cm 20 cm D E 10 cm 40 cm

  26. Qu. 25 Class 3X have a maths test. The mean mark is 56% with a standard deviation of 7.4 3Y have the same maths test. Their mean mark is 64% with a standard deviation of 8.7 Which statement below is correct ? A 3Y have better average mark but are more variable B 3Y have better average mark but are more consistent C 3Y have better average mark but are less variable

  27. Qu. 26 What is the circumference of the circle O (to one decimal place) radius = 20 cm A B C 62.8 cm 5026.5 cm 1256.6 cm D E 125.7 cm Don’t understand

  28. Qu. 27 The price of this TV has been increased by 6%. £ 459.79 What was the price before the increase ? A B C £ 487.38 £ 432.20 £ 433.76 D E £ 27.59 Don’t understand these

  29. Qu. 28 Expand and simplify A B C D E

  30. Qu. 29 What is the length of the arc PQ 9 cm O 55° (to one decimal place) A B C 38.9 cm 8.6 cm 4.3 cm D E 155.5 cm Don’t understand

  31. Qu. 30 Expand A B C D E Don’t understand

  32. Qu. 31 14 cm What is the area of this triangle 85° 18 cm (to 1 decimal place) A B C 251.0 cm2 126.0 cm2 22.0 cm2 D E 125.5 cm2 11.0 cm2

  33. Qu. 32 E ABCD is a rectangle. M is the mid-point of AB. CE is a vertical post. What is the height of post CE? D C 25° 8 m A B M 12 m (to one decimal place) A B C 4.2 m 4.7 m 10.0 m D E 9.1 m Don’t understand

  34. N N B 56° C A Qu. 33 From A, the bearing of B is 056°. From C, the bearing of B is 290° Calculate angle ABC A B C 56° 124° 76° D E 126° Don’t understand

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