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Building Blocks 1 SG MATHEMATICS Credit

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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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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 3 9 6 12 3 4 ½

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Qu. 3 Given ABC DE 1 Evaluate 397 2

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Qu. 4 What is the value of: ABC DE 9 1860 Don’t understand

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

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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

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

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Qu. 8 What is the value of: ABC DE 27 24648 Don’t understand

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Qu. 9 What is the y-intercept of the line shown ABC DE 5 2 (5, 12) 2 11 0 0 Don’t understand

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Qu. 10 Simplify ABC DE

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Qu. 11 Break the brackets ABC DE

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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

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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

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

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Qu. 15 Factorise ABC DE

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Qu. 16 Solve the equation ABC DE

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Qu. 17 These two shapes are mathematically similar ABC DE 80 cm 2 60 cm 2 180 cm 2 160 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

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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 2 2.2 m 7.2 m 3 8.7 m 3 14.3 m 3 28.6 m 3

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

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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

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

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Qu. 22 What is the area of this circle ? ABC DE 14 cm 154 cm 2 22 cm 2 616 cm 2 O 44 cm 2 28 cm 2 (to nearest whole number)

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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

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Qu. 24 The area of this triangle is 60 cm 2 ABC DE 6 cm A 60 cm 2 360 cm 40 cm 5 cm20 cm 10 cm What is the length of AB ? B C

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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

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Qu. 26 What is the circumference of the circle ABC DE radius = 20 cm 62.8 cm Don’t understand 1256.6 cm O 5026.5 cm 125.7 cm (to one decimal place)

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Qu. 27 The price of this TV has been increased by 6%. ABC DE £ 487.38 Don’t understand these £ 432.20£ 433.76 £ 27.59 What was the price before the increase ? £ 459.79

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Qu. 28 Expand and simplify ABC DE

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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 155.5 cm (to one decimal place) 55°

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Qu. 30 Expand ABC DE Don’t understand

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Qu. 31 What is the area of this triangle ABC DE 14 cm 18 cm 85° 251.0 cm 2 11.0 cm 2 126.0 cm 2 22.0 cm 2 125.5 cm 2 (to 1 decimal place)

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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°

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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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