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Building Blocks 1 SG MATHEMATICS Credit. Qu. 1 If we write the number 375 000 000 000 ABC DE 121110 98 in the form what is the value of n.

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Presentation on theme: "Building Blocks 1 SG MATHEMATICS Credit. Qu. 1 If we write the number 375 000 000 000 ABC DE 121110 98 in the form what is the value of n."— Presentation transcript:

1 Building Blocks 1 SG MATHEMATICS Credit

2 Qu. 1 If we write the number ABC DE in the form what is the value of n

3 Qu. 2 What is the scale factor that enlarges triangle ABC to PQR ABC DE 2 25° 75° 85° 25° A B C P Q R ½

4 Qu. 3 Given ABC DE 1 Evaluate 397 2

5 Qu. 4 What is the value of: ABC DE Don’t understand

6 Qu. 5 What is the gradient of the line shown ABC DE -2 2 (5, 12) 2 6

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

8 Qu. 7 Put in its simplest form ABC DE Don’t understand

9 Qu. 8 What is the value of: ABC DE Don’t understand

10 Qu. 9 What is the y-intercept of the line shown ABC DE 5 2 (5, 12) Don’t understand

11 Qu. 10 Simplify ABC DE

12 Qu. 11 Break the brackets ABC DE

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

14 Qu. 13 Which of these shapes is a prism ABC DE 2 only 1 and 3 only 1 and 4 only4 only 2 and 4 only 1234

15 Qu. 14 What is the equation of the line shown ABC DE (5, 12) 2 0 Don’t understand

16 Qu. 15 Factorise ABC DE

17 Qu. 16 Solve the equation ABC DE

18 Qu. 17 These two shapes are mathematically similar ABC DE 80 cm 2 60 cm cm cm 2 The area of shape A is 20 cm 2. What is the area of shape B? 120 cm 2 A B 2 cm 6 cm 20 cm 2

19 Qu. 18 The diagram shows a rubbish skip. The area of the trapezium is 6.5 m 2 The width of the skip is 2.2 m. What is the volume of the skip ? ABC DE 14.3 m 3 Don’t understand 6.5 m m 7.2 m m m m 3

20 Qu. 19 What is the equation of this straight line ABC DE 3 (4, 9)

21 Qu. 20 What is the area of this triangle ABC DE 8 cm 10 cm 13 cm 80 cm 2 40 cm 2 52 cm 2 65 cm 2 31 cm 2

22 Qu. 21 What is the equation of the line of symmetry for this parabola ABC DE 1 9 Don’t understand

23 Qu. 22 What is the area of this circle ? ABC DE 14 cm 154 cm 2 22 cm cm 2 O 44 cm 2 28 cm 2 (to nearest whole number)

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

25 Qu. 24 The area of this triangle is 60 cm 2 ABC DE 6 cm A 60 cm cm 40 cm 5 cm20 cm 10 cm What is the length of AB ? B C

26 Qu. 25 Class 3X have a maths test. The mean mark is 56% with a standard deviation of 7.4 A 3Y have better average mark but are more variable 3Y have the same maths test. Their mean mark is 64% with a standard deviation of 8.7 Which statement below is correct ? 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 ABC DE radius = 20 cm 62.8 cm Don’t understand cm O cm cm (to one decimal place)

28 Qu. 27 The price of this TV has been increased by 6%. ABC DE £ Don’t understand these £ £ £ What was the price before the increase ? £

29 Qu. 28 Expand and simplify ABC DE

30 Qu. 29 What is the length of the arc PQ ABC DE 9 cm 38.9 cm Don’t understand 8.6 cm O 4.3 cm cm (to one decimal place) 55°

31 Qu. 30 Expand ABC DE Don’t understand

32 Qu. 31 What is the area of this triangle ABC DE 14 cm 18 cm 85° cm cm cm cm cm 2 (to 1 decimal place)

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

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


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