Extended IGCSE Starter 1 Extended IGCSE Starter 1

Extended IGCSE Starter 1 •

• Extended IGCSE Starter 1 ANSWERS

Extended IGCSE Starter 2 •

• Extended IGCSE Starter 2 ANSWERS

Extended IGCSE Starter 3 10 marks = 10 minutes •

Extended IGCSE Starter 3 ANSWERS •

Extended IGCSE Starter 3 10 marks = 10 minutes •

Extended IGCSE Starter 3 8 marks = 8 minutes •

Extended IGCSE Starter 6 10 marks = 10 minutes •

Extended IGCSE Starter 7 10 marks = 10 minutes •

Extended IGCSE Starter 7 10 marks = 10 minutes •

Extended IGCSE Starter 8 7 marks = 7 minutes ABCD is a quadrilateral. Angle BAD is 49˚ and angle ABD is 54˚ BC = 90 m, BD = 75 m and CD = 85 m 1) Use the sine rule to calculate the length AD [3] 2) Use the cosine rule to calculate angle BCD [4]

Extended IGCSE Starter 8 7 marks = 7 minutes ABCD is a quadrilateral. Angle BAD is 49˚ and angle ABD is 54˚ BC = 90 m, BD = 75 m and CD = 85 m 1) Use the sine rule to calculate the length AD = 80. 4 [3] 2) Use the cosine rule to calculate angle BCD = 50. 7 degrees [4]

Extended IGCSE Starter 9 10 marks = 10 minutes •

Extended IGCSE Starter 10 10 marks = 10 minutes •

Extended IGCSE Starter 11 10 marks = 10 minutes •

Extended IGCSE Starter 12 10 marks = 10 minutes 1) 2) (ii) What is the upper bound for the area of a square with sides of 4. 2 cm to 1 d. p. [2] Magazines cost $m each and newspapers cost $n each. – One magazine costs $2. 55 more than one newspaper. – The cost of two magazines is the same as the cost of five newspapers. Write down two equations in m and n to show this information. [2] Find the values of m and n. [3] 3. A spherical balloon of radius 3 metres has a volume of 36π cubic metres. It is further inflated until its radius is 12 m. Calculate its new volume, leaving your answer in terms of π. [3]

Extended IGCSE Starter 13 10 marks = 10 minutes

Extended IGCSE Starter 14 10 marks = 10 minutes •

Extended IGCSE Starter 15 10 marks = 10 minutes •

Extended IGCSE Starter 16 10 marks (4+3+3) = 10 minutes