Name: ______________________________ ( ) Date: ______________ Class: 4 __________ Duration: 60 minutes The use of calculators is allowed. Omission of any important working will result in loss of marks. Please check your work carefully before submitting to teacher. 1. Re-arrange these following numbers in order of size, smallest first. 3 , 14 0.211, 0.045 , 21% Answer …......................... , …......................... , …......................... , …......................... [2] Smallest Largest 2. The following are the Math scores of a group of 12 students in a recent Math test. 76 58 42 84 69 Find (a) the range of the scores, 71 93 65 52 88 65 73 Answer (a) ____________ [1] (b) the median score, Answer (b) ____________ [1] (c) the mode of the scores, 1 Answer (c) ____________ [1] (d) the mean of the scores. Answer (d) ____________ [1] 3 Solve the following equations. (a) x 3 4 Answer (a) x ____________ [1] (b) 3(5 x 7) 14 Answer (b) x ____________ [1] (c) x 3 2x 1 x 3 4 5 2 Answer (c) x ____________ [1] 4 Solve the following equations. (a) 4 x 2 15 x 6 Answer (a) x ___________ or ___________ [2] (b) ( x 2)( x 5) 7 0 Answer (b) x __________ or __________ [2] Question 5 The diagram below shows the model of the Great Pyramid of Giza, of Egypt. It has a square base with sides, 8 cm and vertical height of 3 cm. 3 h = 3 cm 8.0 cm (a) Find the volume of the model of the Pyramid of Giza. (b) Find the surface area of the model. Question 6 The figure shows a pyramid container with a rectangular base. AB = 8 cm, BC = 6 cm and the height of the pyramid, VO = 9 cm. 4 V 9 cm D C 6 cm O A 8 cm B (a) Find the base area of the pyramid. (b) Find the volume of the pyramid. (c) Find the total surface area of the pyramid. Question 7 A wooden block in the shape of a solid circular cone has a base of radius 9 cm, a vertical height of 12 cm and a slant height of 15 cm. 5 12 cm 15 cm 9 cm Taking 3.142 , calculate the (a) volume of the cone. (b) total surface area of the cone. Question 8 A solid cone has a base radius, r = 8 cm, as shown in the diagram below. The slant height for the curved surface, l = 17 cm. l h r (a) Calculate the vertical height, h of the cone. (b) Find the volume of the cone. (c) Find the total surface area of the cone. 6