NEW WAVE MENTAL MATHS (BOOK E) – ANSWERS

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NEW WAVE MENTAL MATHS (BOOK E) – ANSWERSWEEK 1 – pages pm185000100145.2060hexagon60 00052 6.50805629 or 310. parallelogramPrime CompositeOdd791011. Even 22312.13.14.15.16.17.TUESDAY9 12 1518 21 24 27 3010021morning50911(a) Year 1(b) Answers will vary18. true19. 820. 0.02PROBLEM-SOLVING33 36 39 42 454.5.6.7.8.9.10.11.12.13.45005am17 kmhexagon29 February1083659014.15.16.17.18.19.20.1 kg860 3 63false15002 or 124WEDNESDAY1.2.3.4.5.6.7.8.7.3012813octagon12 801366trapezium, square,rhombus, kite9. 3210. 105 or 1211.12.13.14.15.16.35029036 cmtrue4Monday54th Street10800 R.I.C. Publications 22.23.24.25.THURSDAY1.2.3.4.5.6.7.8.9.1m844true1. 2.452. 43. 493 617.18.19.20.9.45hexagon2 kg7WEEK 2 – pages 5–7MONDAY1.2.3.4.5.6.7.8.1.0545kite6040205 km6215040 000355100 1.501.2.3.4.5.6.7.8.9.10.11.12.8.252902775060, 30010 5cylinder 3.0016 00073Tuesday1. 82. 26 MayWednesday1. 39753542. 53682812Thursday1. B2. BFRIDAY .19.20.21.1264 5.5080896235212, 24, 28246true1012635023011 11010990.042m365, 16.17.18.19.20.45Monday1. 82. 103TUESDAY13.14.15.16.17.18.19.20.21.22.23.24. rhombus25. Teacher checkWEEK 3 – pages 8–109.502rhombus370550 1.1051000MONDAY2661 1 1 110, 6 , 5 , 4 ,0.04(a) 84 km(b) 272 km14004010005even24 cm 7.5012PROBLEM-SOLVINGMonday1. (2,3) (3,3) (4,3)(5,3) (6,3)2. Teacher checkTuesday1.2.3.4.5.6.7.8.1644609triangular pyramid1.6541 1 1 13 , 4 , 5 , 109.10. 27011. (a) 36(b) 5412.13.14.15.16.17.18.19.20.4524 cmN1400October 45.0033 2.801430TUESDAY81. 3 4 52. 2000, 2020Wednesday1. 42. 5Thursday1. 1802. 3604rhombus24, 9510FRIDAY REVIEW910160, 24oddWEDNESDAY1.2.3.4.5.6.7.8.9.20. 1000THURSDAY1.2.3.4.5.6.7.8.9.10. 50011. 100012. 8113.14.15.16.17.18.19.20.14. (a) 24(b) 5615. 7816. 417. 100018. 6419. even20. 408010.40less40 0049005000243.10octagon4910.11. 2412. distance in kilometres13. 1000531.2.3.4.5.6.7.8.9.10.11.12.13.1501 1 1 1 18, 6, 5, 4, 21200160, 16, 1761000195 km483070 3.5014.15.16.17.18.19. 10odd 2.0040 kmfalse4.057912 .13.14.15.16.17.18.19.20.1triangular prism3789210095less than10240, 32, 2721.48008540 3.80800350 000CABWEDNESDAY1.2. 9503. 1754. 4300NEW WAVE MENTAL MATHS TEACHERS GUIDE

NEW WAVE MENTAL MATHS (BOOK E) – 9.10.11.12.13.14.15.16.510 00017 500 5.9025, 492814BSpring42000false(a) north(b) 9th Road294190 kg120041.18.19.20.21.22.23.24.25.7489(a) 21 1.905964252AutumnTeacher checksquare-based pyramid3200triangular prismC28 cmMONDAY(b) 421455036square-based pyramid5221 km40, 4, 396false30118PROBLEM-SOLVINGMonday1. (5,2) (5,3) (5,4)(5,5) (4,5) (3,5)(2,5)2. Teacher checkTuesday1. 1502. 725Wednesday1. 2012. 65Thursday1. 32. 21.2.3.4.5.6.7.8.1.25150right angled/scalene40, 5, 200, 25, 2258, 211.3Teacher check9.10.11.12.13.14.15.16.17.18.19.90 090210 cm899032 cmF120.115 April12 7 841.08, 1.8, 1.99, 2.01,2.1, 2.220. 0.2TUESDAY1.2.3.4.5.6.7.8.9.2.4080050 kg10013, 14equilateral22, 33, 44, 55, 66, 77,88, 99, 110, 121, 13210. 40, 8, 56, 336162364240, 24, 11.12.13.14.15.16.17.18.19.30 12 3600.32 July94003100 m0.81000NEW WAVE MENTAL MATHS TEACHERS GUIDEfalse1601100 gscalene70000.124 8 331 January1000 2.402, 35 56.7.8.9.10.11.12.13.14.15.16.17.17, 38 7 560.72702.0840000.96980true503, 2, 1, 24 3 2 518.19.20.21.22.4.402100 m3100 kg100equilateral23.24. 17 March25. pentagonal pyramidWEEK 5 – pages 14–1620. 15.16.17.18.19.20.4.2560 60.00150.81100 kg30, 9, 180, 54, 2344, 71100 mmisosceles800K2013 January0.71.73000Januaryrhombus1, 34 4PROBLEM-SOLVING1.2.1.2.1.2.1.2.FRIDAY REVIEW1.2.3.4.5.6.7.8.145. 15 5006. 17. 5, 2WEEK 4 – pages 11–139. 2.5010. Summer11.12.13.14.15.16.17.18.19.20.WEDNESDAY1. 10.352. 93. 3.054. 34 , 23 , 25 ,17.THURSDAY2.3.4.5.6.7.8.19. 1.820. 370197824625 kg 7.50 2.5081268 kmMonday30 000110 000Tuesday618Wednesday31ThursdayTeacher check60%FRIDAY REVIEW1.2.3.4.900512.9, 2.99, 3.03, 3.1,3.25. 1.25978-1-921750-06-9541. 7.302. 663. A 0.5, B 0.75,C 1.25, D 1.504. 90, 270, 2795. 4200 m6. 40007. 3.58. equilateral9. 43 50010. 13011. 3.0812. 6, 213. cube14. 0.915. 30 September16. 3.2017. 818. 34 cm19. 1.620. 12 3 36TUESDAY1.2.3.4.5.6.7.11.4515 1.306200 g3901.270008.9.10.11.12. 2.50triangular pyramid502004, 201213.14.15.16.17.79179true12,16, 20, 2818. 4, 519. 3420. 7.18.19.20.9.4010103.031 July24, 36, 48, 60, 72, 84,96, 108, 120, 132,144357200 kgscalene74, 320, 33667372 14spring85 0701018841 2.50124 0.0.10, 0.15, 0.20, 0.251006right-angle triangle25655200 mm10.19summercylinder0.2125trueTeacher check88742832110, 3, 10.310THURSDAYPROBLEM-SOLVINGMonday1. 75 0002. 785 000Tuesday1. Answers will vary.Possible answers:Pentagon (5)Octagon (8)Square (4)2. 9Wednesday1. 1082. 45Thursday1. 3 bags of apples for 10.502. 18www.ricpublications.com.auR.I.C. Publications

NEW WAVE MENTAL MATHS (BOOK E) – ANSWERSFRIDAY .19.20.21.113 000110.00.61011 6.604, 4, 280, WEDNESDAY1.245true10, 3Teacher check643170003.071011.352cube3700 m1.2.3.4.22.23. 36 cm24.25. (a) true(b) 15, 15WEEK 6 – pages .19.20.6.05Teacher checkTeacher check 5.601.319 9901.21.2.3.4.5.6.7.8.9.10.11.3.101012 010 3.70Teacher check10.2triangular prism2, 0.9, 0.0271.51 JulyR.I.C. Publications 8.05 0.301212707011 or 2 344380, 380037square-based pyramid1.617001327500 m36 19.001889142.4, 2.94(a) Druitt(b) A1, B1, C1, D1, E1(c) 25THURSDAY1. 10.102. 21123, 0.8, 0.081400odd1.6, 1.9635true9000130 August16, 24, 40, 48, 64, 72470 cm1000TUESDAY 12.500.12.49500 , 1, 09110442400 kg 2.30yescube27090 – 9 813403480, 2, 410230045, 4502 , 1 or 0.210 5under PROBLEM-SOLVINGMonday1. 110, Teacher check2. 300 km/hTuesday1. 1002. 25Wednesday1. 102. 5 bananas at 4.756 bananas at 5.70www.ricpublications.com.auThursday1. 16, 172. 961FRIDAY .19.20.21.22.23.24.25.9 2.200.25, 0.50, 0.75, 1.0018 3105.41.21101250Teacher check30 12.5018, 30, 36, 4260, 54, 48, 42, 3613 0203.6true8.102.5scalene213.8(a)–(b) Teacher check0.5 or 12 or 50%WEEK 7 – pages 20–2213.14.15.16.17.18.19.20.1.100.1100, 200, 300, 40051805751.61000rhombus, parallelogram 7.507.3 km9, 8, 7272, 9, 84 tenths2821012, 1.230 July2, isosceles2051.44.2 kghexagonal prism1.65 1 February65 000550.41Teacher check100600052334 12.80Even/Prime2Odd/Composite9, 15Even/Composite4, 6, 8, 10, 12, 14, 16,18, 202. 03.7, 3.971, 1, 2, 2, 337003, 4, 6, 78 8 8 82809414.15.16.17.18.19.20.true5616 005, 16 025,16 05216, 20, 24, 28, 32 .16.17.9.0023, 5Teacher check27yes1555.417018, 24, 36, 42(a)–(b) Teacher check352.2 mTeacher check40 m28Teacher 13.14.15.16.17.18.19.20.18.19. 13220. 2.5PROBLEM-SOLVINGMonday1. 1502. 180Tuesday1. 72. 8.31Wednesday1. 2502. 3Thursday1. Odd/Prime3, 5, 7, 11, 13, 17, 19978-1-921750-06-9FRIDAY .19.20.21.22.23.24.25.3.15 pm1501.827, 4, 310080002.057525 3.257 8 5672150120 km3600.512 099, 13 890,19 991, 20 920,21 00015, 1.59.10hexagonal prismTeacher check6.4 km2, 3, 1, 2, 3, 12 or 163more likely than anevenWEEK 8 – pages 6.17.5.50spring893516099 990TH, TT9.7 km20pentagonal pyramid48 tenths, hundredths1equilateral18 cm30 minutes70001110, 1101, 1090,1019, 100118. 2819. 4020. 6TUESDAY1.2.3.4.18, 21, 24, 274, 6 7.50110NEW WAVE MENTAL MATHS TEACHERS GUIDE

NEW WAVE MENTAL MATHS (BOOK E) – 8.7 m1.91.5 hours7isosceles Thursday1. 1462. 28FRIDAY REVIEWpentagonal prism52t3099 000540013001.560WEDNESDAY1. 3.052. 13. (a) 1700(b) 98004. 5. 3 hours6. 5, 67. 18, 45, 54, 638. 179. 52410. rhombus11. 17 hours12. 2013. 414. 2.4 kg15. false16. 0.517. 54, 54018. 3.7519. true20. 121 6.17.18.19.20.Wednesday1. 0.92. 1.912.102435136 hours32, 36, 40, 44Teacher check125, 250, 375 5.5 cm1, 1, 3, 35 4 5 442, even1.8, 1.98 11.402161715 2.503 or 16214PROBLEM-SOLVINGMonday1. 19 t2. 9500Tuesday1. 302. 30 0.21.22.23.99 9900.25170070even561.0370 true10 00037 hundredths40, 44, 48, 5228721.552 hours6.8 kmTeacher checkno10 hours12 hours24.25.26or13WEEK 9 – pages 6.17.18.19.20.8.109 hoursparallelogram21, 35, 428940.9169100300 000equilateral1A, B, C, A, C, E2 or 163400652, 3, 5, 7, 11, 13904700 m140TUESDAY1.2.3.4.5.6.1.0516, 1606800100.1, 0.91(a) 110(b) 110 0007. 170NEW WAVE MENTAL MATHS TEACHERS GUIDE8.9.10.11.12.13.14.15.16.17.18.19.6, 12310A p, B aoddisosceles 7445triangular pyramid(a) 63(b) 8120. 17.18.19.20.6.554, 18falseA – squareB – rhombus100 0000.0553 00011 12 hours1041, 34 4 104800 g150200, 400, 600, 800acute2, 2, 2, 26 5 4 363Tuesday1. 18702. 2030Wednesday1. 21.252. 127.5Thursday1. 202. 3, 8FRIDAY .19.20.21.10.11.12.13.14.15.16.17.18.19.20.410100 000213 cm10042, 48, 54, 6075017167000PROBLEM-SOLVINGMonday1. 152. 45978-1-921750-06-91511.2 12.1042 000 57.5030, 36, 42, 48750, 1250false10100 0000.7 540100 000 106.20equilateral22 hours2900 g22.23. acute24. 2525. A CWEEK 10 – pages 29–31THURSDAY1. 11.202. 12.50, 12.50, 12.50, 12.50, 503. 184. 23 hours5. 1.6, 1.966. 5207. 200 0008. 7.5 cm9. 23 , 24 , 13 , 152, 1, 1, 13 2 4 516MONDAY1.2.3.4.24, 27, 30, 33100003 12 or 3.55.6.7.8.30 March25, 49, 64, 811.40.49.10.11.12.13.14.15.70007 14 9821000.6, 0.6, 0.084520(a) 105(b) 10916. 7817. 50, 75, 100, 125, 150,17518. 36019. 9.920. TUESDAY1. 10.102. 30 June3. trapezium D56squarekiterhombus4. 2.355. 5000ABC6.7. (a) 21(b) 21 0008. 32009. 42 cm10. 4011. 2812. 413. 5, 1014. odd15. pm16. 15, 30, 4517. 1.018. 4.8 cm19. 1020. 107WEDNESDAY1.2.3.4.5.6.7.3.2550 005175307 30690003.8498.9. 3210.11.12.13.14.15.16.17.18.19.20.2553 July40, 44, 48, 520.7575 kg3A 30, B 330400 24THURSDAY1. 9.102.3.4.5.6.7.5602 057445 cmA 285, B 295,C 310, D 3358. 6200 kg9. 1.110. square-based pyramid11. 5012. 713. 560014. (a) 26 or 13(b) 16(c) 12 or 0.515. 14016. amwww.ricpublications.com.auR.I.C. Publications

NEW WAVE MENTAL MATHS (BOOK E) – ANSWERS17.18.19.20.84C 0.35, D 0.451.2 PROBLEM-SOLVINGMondayTUESDAY1. 202. 141.2.3.4.5.Tuesday1.2. 241.2.1.2.16. 0.117. 4.518. (a) 12(b) 12019. Teacher check20. 3Wednesday 12 hr11.30, pm, pmThursdayApple juiceAppleFRIDAY 30.2581, 258, 0.4, 0.0530 3520 8.901.2 2099 000 9.9150 kgodd10.06.5518.19.20.21.22.23.91360 A – 705, B – 6854210WEDNESDAY1. 10.352. (a) 995(b) 99953. 2084. 12.45. 3 8 246. 8007. 1 hour8. no9. 32, 32024.25. 3 and 4WEEK 11 – pages 32–34MONDAY1. 82. 606 7 21 5 93. 8 3 44. 4.5.20185. 706. 30, 9307. 89508. 3 49. 9010. 2611. 32, 40, 48, 5612. 1613. north-east14. 2, 1115. 90 900R.I.C. Publications 3.15south15, 9.6180218 1 63 5 76. 4 9 27. 48. Teacher check9. 2.510. 700011. (a) 5(b) 7.5012. 30, 7.513. 814. 44015. 5, 1, 2, 3, 416. 1417. 199618. 0.319. 2120. 20 g10.11.12.13.14.15.16.17.18.19.20.52Teacher check207 3.306.2471.260181.2.3.4.5.6.7.8.9.3.055 12 cm905084, 77, 70, 6329.5.20173900360(a) day1. 23502. 55 400Tuesday1. 212. 36Wednesday1. 20002. 27Thursday1. C2. 87.8.9.10.11.12.27994160200140206 7 21 5 98 3 44.931.05700343 , 3.03310013.14.15.16.17.18.19.20.21.22.23.24.25.4, 9, 1, 91503810. 2800www.ricpublications.com.auMONDAY6400090 m20810 0000.7269691.0, 0.3710574 3 89 5 118. 2 7 619. 107420. 0.4.051.1330090 0109000410020.AB C7.410.0300 m10 00023423 2432046604.5, 1.25 2.50no752007 12 , 7.530.550 m12710.027A 2.90, B 87.90740364 9052, 71.2THURSDAY1.2.3.4.5.6.11.30100 0002541020 000978-1-921750-06-93.050.5Monday1. 1802. Answers will vary.Tuesday1. 642. 21Wednesday1. 3 kg of rice at 21.602. 130 000Thursday1. 4, 42. 5FRIDAY 8.19.20.305 ,100PROBLEM-SOLVING1. (a) 90(b) 63(c) 1532. 14 0003. 2.84. 10 0115. (a) north(b) north-west(c) eastWEEK 12 – pages 35–371.2.3.4.5.6.7.8.9.10.11.7. 0.5 or 128. A 975, B 995,C 1010, D 10259. 3.4110. north-west11. 2 35 , 2.612. 40, 8, 280, 56, 33613. 4, 1214. 48 m15. (a) 600(b) 600016. 356817. 1.818. 15.3019. 15 , 13 , 12 , 34 sphere10 0001, 0.152TUESDAYFRIDAY REVIEW1.2.3.4.5.6.THURSDAY(b)12.13.14.15.16.17.24, 30, 36, 425.7319south-west615, 6.97252.033 7 211. 8 12 , 8.52. 0.53. .22.23.24.25.101.621 00010 1000.9600A 4.40, B 89.4067091000 1.5010 0003.70.510575645.00A, equilateral2.53500south-westsphere20 gWEEK 13 – pages 38–40MONDAY1.2.3.4.5.6.7.7.001000rectangle, circle2675, 10, 1535NEW WAVE MENTAL MATHS TEACHERS GUIDE

NEW WAVE MENTAL MATHS (BOOK E) – ANSWERS8.9.10.11.12.333Teacher check52532013.14. 5215. (a) B, C(b) A, D16. 217. A p, B a18. 6.6019. 320 m20. 5000TUESDAY1.2.3.4.5.6.8.1010 000873.49107.8. 4.79. (a) B, D(b) A, C10. triangle, rectangle2 9 47 5 311. 6 1 812. 10.013. 2 1414. 9 hours15. 160016. 108, 99, 90, 8117. yes18. 9019. 9920. 2, 4WEDNESDAY1.2.3.4.5.6.4.551210, 1006400scalene9207. 1.58. square, triangle9. 9 February6 .11.12.13.14.15.16.17.18.19.20.2(a) 4 (b) 451.3hexagon, rectangle19 0001758.9712 pm Sunday6.3196823 50north-east322, 6true506.3225.FRIDAY REVIEW1. 252. 693.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20. 2419920true7.53.4152102252180117, 12618001001.55scaleneA a, B psouth-east1.2.3.4.5.14.15.16.17.18.19.20.3751.32, 3, 5, 73.2e6o4e8o7o5o3e2o9e4odd1000oddcube13Teacher checktrue(a)–(b) Teacher check(c) north-east5May4.8hectareeven8130TUESDAY1. 5752. 11, 13, 17, 192 9 47 5 33. 6 1 84. 13005. 76206. true7. 20008. triangular prism9. 470010. 50 00011.12.13.14.15.16.17.18.19.20.6.42 December102716 00046.55.7230 acuteWEDNESDAY21.22. 4023. circle, rectangle24. 8NEW WAVE MENTAL MATHS TEACHERS GUIDE13MONDAYPROBLEM-SOLVING6 7 21 5 92. 8 3 4Thursday1. 17502. 3260orWEEK 14 – pages 41–436.7.8.9.10.11.12.13.Monday1. 360 122. 21Tuesday1. A 285, B 295C 310, D 3352. 5, 6Wednesday8 1 63 5 71. 4 9 2261.2.3.4.5.6.7.8.27513002false55532990(a) false(b) true(c) true(d) false978-1-921750-06-9589.10.11.12.13.14.15.21 June27103958 420.21.22.23.24.25.7106716.17. 6518. 2319. 109020. 49Teacher check674.28 pm550, 5500275true0.7(a) 8 (b) 23180030 March28, 35, 42, 49112164Monday1. 1502. 25Tuesday1. 162. 300Wednesday1. 252. 22Thursday1. 4002. 35 hectaresFRIDAY REVIEW67516 00025, 6456 3.8053.9499042, 49, 56, 11.12.13.14.15.16.17.pm103 15 , 3.25010234, 7Teacher check18 April3, 2, 1, 2, 34 3 2 5 1012101.51 146Western Australia2, 4, 5, 8, 10, 2018.19. 2520. 2.4 or 3.14.15.16.17.29 April1600Teacher check1340WEEK 15 – pages 44–46THURSDAY1.2.3.4.5.6.7.8.9.18. (a) B (b) A19. 17.18.19.20.pm30 1025056, 1712520450 10.0B5octagon490086.12 7.60 m.auam4, 40, 40060, 960330 mm19 9900.6R.I.C. Publications

NEW WAVE MENTAL MATHS (BOOK E) – ANSWERS9.10.11.12.13.14.15.16.17.18.19.20.17. 1918. pyramid12(a) 6 (b) 6 17south-west6.48, 4(a) 1 (b) 4Teacher check427 9 8.9.10.11.pm504, 40, 400100WEEK 16 – pages 47–49MONDAY1.2.3.4.5.6.418012true1000Tea 5, Juice 5,Coffee 107. 288. Teacher check4106.8555A, D12.13.14.15.16.17.36, 3600equilateral101 000860, 3, 4, 3, 180, 12,19218. 3.5019. 160020. 0PROBLEM-SOLVINGMonday1. 302. 41.2.1.2.1.2.2002 341.22.00 am3.30 pm16510 00072, 964007 511. 126, 7100540 5 82000711390040, 2, 280, 14, 294110 0008.58.8 151.06450pmR.I.C. Publications .5 cm, 3 cm2 cm, 5 cmWednesday59Thursday6, 5120FRIDAY REVIEW1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.2 May33.30 pm2A is equally as likely asB, more likely than D2.3. 2304. 52, 765. 14006. 3547. 9.98. parallelogram9. Teacher check10. 985011. 20 00012. 299013. 16 kg14. (a) 180(b) 171(c) 16215. 7016. 1017. 2.8418. 1219. 15020. square prismWEDNESDAY1. 202. 370, 39703. .14.15.16.17.18.19.20.829901 34 , 1.752.712, 24, 361 122019 975Teacher checkA 14 , B 12 , C 344799218 9995(a) 140(b) 1262101.2.3.4.5.6.7.8.9.10.11.12.241700 m 209, 1518015, 4541.79 122745 – 4.50 40.50south-east3 35 , 3.613.14.15.16.17.18.19.20.Teacher check2319 5498010.312875 490598050523099991154north-eastTeacher check4227.4 km80 m23000 m2WEEK 17 – pages 50–52THURSDAYPROBLEM-SOLVING1.2.1.2.1.2.Monday 1, Y REVIEW1.2.3.4.5.6.7.8.9.10.1641330 00030.90.037753 34 1610 12.50MONDAY1. 10.552. 20 99110(a) 390(b) 351Teacher check10B(b) 14(a) 23150096, 104, 112, 120am21.45030750 mA 4.50, B .19.20.14 70047 km 19.20.2.306077172.7 or 2.812 hours300 000200 m3590110 000743050, 3, 350, 21, 371hexagonal prism(a) 0.7(b) 2.44A 200 B 60050309 00072, 80, 88, 96THURSDAYPROBLEM-SOLVINGMonday1. 122. 42FRIDAY REVIEW21006.32210.7527.525 5003470150 m51014 0002.5317003:00 am54, 60, 66, 72Teacher check30.03 or 100978-1-921750-06-9(a) 900(b) 89133Tuesday27299.831001 , 1 , 3 , 0.55, 0.755 3 6Tuesday1. Teacher check2. 4Wednesday1. 5, 42. 8Thursday1. 62.42. .2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.30994030, 36, 42, 4840, 4, 240, 24, 2643.481.6100134580 0801 124 or 1823.2247100NEW WAVE MENTAL MATHS TEACHERS GUIDE

NEW WAVE MENTAL MATHS (BOOK E) – ANSWERS17.18.19.20.21.22.23.24.25.4834 67210 000A 400 B 8001.25Teacher check25 hours59 km22WEEK 18 – pages 6.17.18.19.20.21 Maycone663, 6, 9993, 93025rectangle-basedpyramid(a) 450 (b) 441251.2 mTeacher check20 1 0.0990true40, Teacher check0.1 t12, 6.17.18.19.20.34.30 pm540359.5, 387 8 56331750%6900 Sunday36, 45, 54, 632230 June2 380.8258, 5803tWEDNESDAY1.2.3.4.5.6.7.8.9.10.11. 2, 1, 20c12521201279.91855002 45 6.5020 00012.13.14.15.16.17.18.19.20.40, 80, 120, 160572.50.9394, 6, 812, 18, 24360THURSDAY1.2.3.4.5.6.7.8.9. 2, 2, 5c2531 July41H and 0.1 km6006316, 586 9 542.09900Teacher check470030Teacher check200 kg18WEEK 19 – pages 56–58Monday1. 12 5 602. 45Tuesday1. 302. 26Wednesday1. No, the load is 300 kgover2. 14, 9Thursday1. 27502. 151 750FRIDAY REVIEW3856 9 544010 8 0.1 0.083 3542502251061 67.201500 m0.4920 000231 May1.4 m12.2535003031(a) 16 (b) 16037002 146trapezium 0.80 or 80c7241425102, 108, 114, 1202.97360, 18, 37816 7 81.468 km67 5.20 20 – 14.80 5.20A1 , 5 , 0.65, 0.84 105.790north-west0.7536640.9409Teacher check(a) 290 (b) 26118.718.19. 15, 30, 4520.

WA 978-1-921750-06-9 54 wwwricpublicationscomau RIC Publications NEW WAVE MENTAL MATHS (BOOK E) – ANSWERS 5. 510 000