Chapter revision test answers

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1 Chapter revision test answers Chapter 1 Revision test 1 5 weeks 5 days h 8 min 10 s 74 4 Students own answers 5 FIGHT MALARIA 6 (16, 1, 18, 5)(, 1, 0, 5, 18) 7 a 65 b 79 8 a b Students own answers 9 a 9 units b 5 tens c 0 hundreds d 4 thousands e ten-thousands Chapter Revision test 1 a b ten million millimetres s 4 a b c a b c N a l b US$ million km a b Chapter Revision test 1 1,,, 4, 6, 9, 1, 18, 6,, 6, 7 1, 7, 41, 4, 47, 5, 57, = 5 7 = = 4 6,, 4, 6, Some of the multiples are shown below Chapter 4 Revision test 1 a 5 b 55 c a 0 b 5 1 c 7_ 8 19 a 1 (1 7 1 ) b 1 c ( a 10 b 5 1_ c 17 1_ 6 a _ 81 b 0 c ) 70 ( ) _ % 10 55% Chapter 5 Revision test 1 a 15 b c 8 d 4 a 11 b 1 c 6 d 15 a 14 b 4 c 50 d 4 4 a 11 b c 6 d 16 5 a 7 b 4 c 1 d 7 6 a 10 b 16 c 8 d 1 7 a 14 b 4 c 1 d 40 8 a b 0 c 10 d 66 9 a N90 b N Chapter 6 Revision test 1 boxes (matchbox, chalk box), packets (butter, cornflakes, soap powder, tea), tin cans (soup, beans, oil, coffee), drum (musical, oil), tubes, balls, pencils, rolls of paper, bottles, buildings, containers a Students sketches b 45 c 5 cm Number of vertices, faces and edges seen Number of vertices, faces and edges on a solid hexagonal prism vertices faces edges vertices faces edges , 140,

2 4 Nets of a cube: Fig. 1 5 Students sketches 6 96 cm 7 6 vertices, 6 faces, 10 edges 8 a FG b F, D 9 a GH b CB, CD, CH 10 a 6.d, 6.e, 6.19, 6.5b, 6.5c, 6.5d, 6.7, 6.8 b 6.c, 6.8, 6.9, 6.0, 6.9a, 6.9b Chapter 7 Revision test 1 7b 8, y (there are other solutions as well, e.g., 4y or 1, 8y) a positive b 8 4 a unlike b no c They are unlike terms. 5 m 6 9x + 10y 7 r s 8 4 and 5 9 (minus) 10 n 4m Chapter 8 Revision test 1 a b 1_ 4 10 a 1 b 1 4 angle name of angle type of angle a PR or RP acute b QU or UQ obtuse c PT or TP right d US or SU straight e TR or RT acute f QS or SQ obtuse g QS or SQ reflex Table 11 5 a 117 b a = 5, b = 100, c = 90, d = 180, e = 55, f =100, g = 60 7 Construction of angles 8 a Students measure angles b 60 9 The sum of the angles is also The sum of the angles of the triangle is 180. Chapter 9 Revision test 1 a 0.7 b 0. c.5 d.4 e 9. f 0. g.6 h cm a 5.90 b metres 5.94 kg 6 a 0.5. b a 0. 5 b a 0 b a 75% b 17 1_ % c 0.% d 16 _ % 10 N7 090 Chapter 10 Revision test 1 a N40 b N(n + 80) a 1 m 58 cm b (x 7) cm c (8y + 7) a 1 b 7w c x_ 7 4 a N b N10 000m c N6y k g 6 a 5_ n m b 500 n cm 7 a Team A b n_ points 8 9x m 9 (7x 1) days N( x 60) Chapter 11 Revision test 1 a DC b DB c BC d BO, CO, DO A ÔB, CÔD O ˆBA, OĈD, O ˆDC 4 PQR, QRS, RSP, SPQ, PMQ, QMR, RMS, SMP 5 45, 90, 45 6 X ŶM = ZŶM = 17, Y ˆMX = Y ˆMZ = 90, M ˆXY= MẐY = cm 8 8, 14 9 a yes 91

3 b scalene quadrilateral, parallelogram, trapezium, square, rhombus, re-entrant quadrilateral, kite 10 A heart shape Chapter 1 Revision test 1 a 4 b 4 c d 0 e f 7 4 C N900 4 a +5 b + c 1 d 11 e +8 f + 5 a +4 b +16 c +5 d 4 e 7 f 7 6 N BC 8 a b a +6 b 0 c +450 d 10 e +x f +46y 10 a 1_ b +.5 c +8.7 d 1_ e.4 C f +. C 6 Chapter 1 Revision test 1 Discuss with classmates Compare with classmates length breadth perimeter a 8 m 5 m 6 m b 9. m 7 m.6 m c 7 cm 7 cm 8 cm d 5.1 km.6 km 15.4 km e 8.1 cm 4.4 cm 5 cm f 1 cm 1 cm 48 cm Table m (or.6 km) 5 a 4 m b 11. km cm cm m using for pi: 7 a 6 b 40 c d 44 e Please ask maths checker to provide answer for e. Measurements have been corrected in question. f 1.5 Chapter 14 Revision test 1 length breadth area a 8 m 5 m 40 m b 7 cm 7 cm 49 cm c 9. m 7 m 65.1 m d 5.1 km 6 km 0.6 km e 8.75 cm. cm 8 cm f 11 m 11 m 11 m Table 1 a 18 m b 5 m c 1 m d 6 m e 6 m f 0 m a 14 m b N m 5 70 g 6 a 6 cm b 4 cm 7 1 cm 8 a 7.5 cm b 6 cm 9 radius diameter area a 5 cm 70 cm 850 cm b 4 m 8 m 50 _ 7 m c 1 cm 4 cm 1 86 cm Table a 1.5 m b 7 m (actually m ) 9

4 Chapter 15 Revision test 1 a 9p b 18mn c 0a b a n b m c 11y a 8x b 11n 4 a 5m b 5a 1 5 a 14r 5 b s 6 a p + 4q r b 8a + 5b c 9d 7 a p q r s b 1x + 5y 5p + q 8 a 7x + 1y b 9x 1 9 a N(p + 00) b N(4p + 00) 10 n + 1 Chapter 16 Revision test Qu. length breadth height volume 1 8 m 5 m m 80 m 9 cm 4 cm 1_ cm 90 cm m 7 m 4 m 84 m 4 4 cm 1.5 cm 0 cm 180 cm Table 15 5 cm 6 65 m 7 5 l 8 a 10 kl b 8 days Qu. height of prism area of end face volume of prism 9 5 cm 4 cm 140 cm m 14 m 140 m Table 16 Chapter 17 Revision test 1 Students own answers Junior Secondary School 5 People are increasingly realising the value of early childhood education (157 JSS + 49 Secondary) 8 Probably not enough. 696 primary schools would need about 674 schools offering JSS places. 596 may not be quite enough. 9 Universal Basic Education (UBE) was introduced in 006, aiming to provide every child with 9 years of basic education (6 years primary + years junior secondary). There was a need for more JSS places. 10 No, more schools will require more teachers. Chapter 18 Revision test 1 January, June, July August 5 cm 4 January, February, November, December 5 January, February, March, April, May, October, November, December 6 August, July, June, September, May, October 7 June, July, August 8 January, February, March, April, November, December cm 10 Yes, in August and July 59 cm of rain fell. Chapter 19 Revision test 1 a true b false c false d false a true b true c false d true a x = b y = 60 c m = 5 d x = _ 1 4 a x = 4 b y = 1 c m = 7 d q = 4 5 a x = 8 b m = c n = d q = 11 _ x = 5 7 q = 7 9 m = 9 10 y = 7 _ 4 8 x = 4 _ 1 Chapter 0 Revision test 1 a t = 1 (angles on a straight line) v = (v + 5 vertically opposite to 58 ) w = 1 (vertically opposite to t) b x = 90 y = 6 (angles on a straight line) (y + 8 vertically opposite to right angle) z = 49 (z + 41 vertically opposite to x) a C ˆXD = 54, A ˆXB = 144 b A ˆXC = 180 c AXC is a straight line. x + x + x + 4x = 60, x = 6; E ˆKF = 6, F ˆKG = 7, G ˆKH = 108, H ˆKE = Acute angles are 68 ; obtuse angles are w = 4 (alternate angles) x = 18 (angles on a straight line) y = 6 (angles on a straight line) z = 6 (alternate angles) 6 a 45, 45, 105 b 4 75, 105, 65, 40 9

5 7 w = 5 (alternate angles) x = 60 (sum of angles of triangle) y = 110 (angles on a straight line) z = 45 (sum of angles of triangle) a x + x + 51 = 180 b x = 4 c 4, 51, , 0, 50, 10, 1 60, 1 70, Chapter 1 Revision test 1 Compare with classmates PR = 7.9 cm Compare with classmates 4 Compare with classmates cm 6 a c Construction of ABCD d AB = 5 cm 7 a Construction of ABC b AB = 7.6 cm c A ˆBC = a Construction of with sides 5 cm b 7.6 cm 9 a c Any large ABC d The circle passes through A, B and C. 10 a c Any large PQR d The three lines meet at a single point. Chapter Revision test 1 a 9 b N C 4 a 19 b 50 5 a 1 b N615 6 a 18 b N900 7 a 5 and 10 (bimodal) b 0 8 a mark frequency 5 Table 17 b 8 marks 9 6, 7, 8, 8, 8, 9, 10, 1, 1; mean = 9, median = 8, mode = 8 10 a 15 girls b mode = 16 years, median = 16 years c mean = 15 8 years 15 Chapter Revision test 1 7 km b a b c a 0.5 b 8.6 c 6. d a 0 b 8 c a 700 b 0. c a 690 b 0.7 c a 45 b 1 (round _ 1 up) 9 a 1 b l Chapter 4 Revision test (= ) two = 5 ten two 8 11 two two two 94