Primary Mathematics 3b Workbook Pdf

Singapore math gr 3 workbook 3 b part 1

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• 1. PRINNARY NNATHENNATICS 3B Y/CRKBCCK Port One Nome Clqss School 0/ cr**rauarrvr PuHr.rrrrrc a DtvetoprrrtHr Dtvtstott Q[6 Mrrrsrnv oF EDUcArroN, Srrcnponr
• 2. PROMARV MATHENOATOGS 3B WCRKBCCK Port Cne Primary Mathematics Project Team Project Director Dr Kho Tek Hong Team Members Chee Kum Hoong, Heclor Chip Wai Lung Liang Hin Hoon Lim Eng Tann Lim HuiCheng, Rosalind Ng Hwee Wan Ng Siew Lee cufiiculum Specialisls Cheong Ngan Penq, Christina Ho Juan Beng Marshall (avendish Education C/ cu**,cururr,t PLANNTNG & DEVELopMENT DrvrsroN qID MrNrsrRy oF EDucArroN, SrNGApoRE
• 3. O r982,l99l Cutri(ulum Developmenl nrttute oi 5 ngaDore O 1997, 1999 Curfi.u um Planning a oeleapmenl Dvison ]4inisky ol Edu(ation, Singaporc Publilhed by MaBhall (avendirh Edu.ation A nenbet of limes Publishing Limited Iimes cntf, 1 New ndunralRoad, sinqapofe 536196 Cu(omer Serulce Hotilne: (65) 62119106 E mail, ips@sq.ma6ha kavendBh..om website: wwwmdshalkavendish com/educat on/59 Ihird tdition r999 Reprinted 2000 (rwi(e), 2001 (twce), 2003, 2004 (rwt(e), 2oo7 A I riqlrls reserved. No part of th s publkatio. may be reproduced, nod in a lrlelalsynem or transm lled, n any fom or byany means, eledrcnic, firechan c, phoiocopyin!, recordinq oi olherwise, withoul lhe pior Perm $ion ol th.opyr qht owner sBN 978 98r 015656 5 tunEted by: RenJiafhui, tinr Chonq tig Printed in Singapore by Tmes Graphics Pte Ltd ACKNOWLEDGEMENTS The project team would like to record their thanks 1o the following: . members oi the Primary lvlathematics Team who developed the firsi edition and second editlon of the package . mernbers oi the Steering Commiltee lor the second edition of the package . teachers who tested the materials in ihe package and provided useful insights and suggestions . Educalional Technology Division, for the design and production of the audio-visual components of the package . all those who have helped in one way or another in the developmeni and production of the package
• 4. CONTENTS Mentol Colculotion Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 5 o 8 10 12 o 7 8 q 10 11 14 to 18 '19 21 23 @@ @M@@@@ @e@@@ q6@.W&@ 25 27 30 32 34 37 41 @@@b@@@@@e@@s @@w&@ 2 Length Exe rcise Exe rcise Exercise Exercise Exercise Exercise 3 Weight Exercise 12 Exercise 13 Exercise 14 Exercise 15 Exercise 16 Revision 1 Revision 2 1b@@M@@@@@e@@s@ @w&@
• 5. Copocity Exercise 17 Exercise 18 Exercise 19 Exercise 20 Exercise 21 Exercise 22 Exerctse 2J z+5 47 49 51 53 55 57 @@@M@@@@@e@@@ @@w&@ Grophs Exercise 24 Exerctse 25 Revision 3 Revision 4 (p@@M@@@@@e@@s @@w&@ 59 62 65 69
• 6. +60 , 84+7 18+80 76+30 (b) s3 (d) 86 +30 -----------) +20 ----> E E (b) (d) (f) 48+9 45+90 54+50 3. Write the missing numbers. (o) (b) * lo //V*,"/ (G- *tt'O .r./-O. (6+- *zu O 4. Add. (o) s8 (b) 46 @) 2a (d) 47 +34= +24= +68= +62=
• 7. EXERCISE 2 1. Add. (o) 58+34= ,/ 232 "ltq"g",t tF-1t', (b) 37 + 49 36 1 (c) 87+43= 340 (d) 69+s4= (") 98+47= (f) 45+95= (s) 52+98= (h) 49+36= 6
• 8. 2. Add. 3. Add. (o) 32+28= (b) 45+55= (c) 44+26= (d) 59+gt= (") 66+34= (f) 59+41 = (g) 63 +zl = (h) 18+82= (o) 99+6 = (b) 98+4 = (c) 98+43= (d) (e) 83+99= (f) 98+37= (g) 98+92= (h) 96+99= (i) 99+98= (j) 99+gg=
• 9. EXERCISE 3 1. Subtroct. 2. Write the missing numbers. (o) s6--!e+l ]--5[--_] s6-34=[- ] (b) 87 --35E--r-[ l 87 - 47 (c) 77 -- 77 -75 8
• 10. 3. Subtroct. (o) 69-47= (b) 88-78= (c) 95-35= (d) 30-27= Subtroct.A (o) ,a- ss = 20 60 (b) 60-47= 10 50
• 11. a EXERCISE 4 '1. Write the missinq numbers. (o) (b) 2. Multiply. 2tensx6= tens 20x6=124 3tensx5= tens 30x5= 4tensx5= tens 40x5= 5tensxT= tens qnvT- 6 hundreds x4= hundreds 600x4= 2x8= 20x8= 200x8= 3x7 = 2n-7- 300x7= 4x6= 40x6= 400x6= 5x8= 50x8= 500x8= 6x6= 60x6= 600x6= 7 x8= 70x8= 700x8= 10
• 12. 3. Multiply. (o) 3tensx4= renS 30x4= (b) $ 100 $ 100 4hundredsx2= hundreds 4OO x2 = (c) 80x5= (d) 20x6= (e) 20 x7 = (f) 40x8= (g) 50x4= (h) 90x9= (i) 60u 200 150 100 50 0 Study the groph ond fill (o) Romot collected Somy Dovid Romot stomps. fewer stomps thon Rosli.(b) John collected (c) John collected 50 more stomps thon collected 3 times os mony stomps os Dovid.(d) (e) If Rosli gove Dovid stomps, they would eoch hove on equol number of stomps. 64 John
• 66. REVISION 1. Poir up the 3 numbers which moke 100. @)a ._-/ t r q? )t'-,/ / ,----''--. io(Jd,1'---'''/ a,,'-; ''_/ a--'----- alt6) zo, (4)). 7-'l-3 ...-",, a ( ?a" ) ......-- _,,,, of omounts which moke $10. seporote the opples from one $6.s5 $s.6s $6.1s $0.70 $4.9s $3.8s @. Drcw o line If you do it o noth e r. to join eoch poir correctly, you will $1.25 $4.3s 65 $7.80 $8.7s $s.05 $3.45 $9.30
• 67. 3. Fill in the blonks. (o) 3m 1Ocm=-cm (b) 285 cm = (c) akg s09 =-9 (d) 30s0s (e) 2knr5m (g) 38 60ml =-ml (h) 4005m| = 4. Addor subtroct. (o) 4m 65 cm (b) 6km30m (c) 3ks 9ss (d) s{ 50ml =_m_cm =-Km_m =_ Kg _g =- (, -ml m-cm Kg_g Km_m 4 - ml +2m80cm -2km45m + 2k975 g -249Oml 5. Fill in the blonks. Jug A contoins e ml of woter. The copocity of Bottle B is The woter in Jug A fills up Bottle B ond the two cups. I ne copocrty oT eocn cup ts _ .(o) (b) (c)
• 68. 6. Number ofpots of plonts ore there in Gorden D mony pors or gordens? plo nts ore there oltogether +L^ 6523 people ore on boord o ship. 3806 of them ore moles. How monv ore femoles? Study the groph ond onswer these questions. (o) (b) How thon How fou r mony more pots in Gorden A? 67
• 69. 8. I I Mrs Chen 'nrade 157 She kept 37 pies for She pocked the rest How mony boxes of pres. her fomily. into boxes of 8 eoch pies were there? for sole. 9. A stomp A photo Find the olbum costs 912.50. olbum costs $3.50 more thon totol cost of the two olbums. the stomp olbum. 58
• 70. REVISION 4 1. Add or subtroct. 2. Multiply or divide. (o) 2367 + 643 (b) 3578 + 2422 (c) 2569 + 1446 (d) 3154 - 846 (e) 4036 - 2068 (f) 4232 - 1878 (o) 58 x7 (b) 106 x8 (c) 384 x6 (d) 3 )84 (e) 8)=bz (f) eT4s2 69
• 71. t 3. @^Y ,Wwa,"P.",E4rdcket oor |.-='4| >rorvDooK I -^.^ I /l lu o" ' -1--'-? Wotch Footbqli (o) How much cheoper is the storybook thon the T-shirt? (b) Copol bought the wotch, the bodminton rocket ond the footboll. How much did he spend oltogether? (c) Weilin bought o ping-pong bot, o storybook ond o T-shirt. She gove the coshier $50. How much chonge did she receive? 70
• 72. 4. Mory opened o l-litre corton of milk. She dronk 250 ml of it. How much milk wos left? 5. 4328 footboll tickets were sold on Soturdoy. 5860 footboll tickets were sold on Sundoy. How mcny footboll tickets were sold on both doys? 6. Mrs Wu gove her 3 children o pocket of 204 stomps to shore equolly. How mony stomps did eoch child get? 7'l
• 73. 7. Lily bought o hongef ,forr$1;25 ond She gove the coshier $20. How much chonge did she receive? T-shirt for $:12.50. .: 8. A wotch costs $164. It costs 4 times os much Find the totol cost of the os o colculotor. wotch ond the colculotor. 72
• 74. C/ cunnrcur.uu PLANNTNG & DEvELopMENT DrvrsroN qID MrNrsrRy oF EDUCATToN, StNGApoRE Marshall Cavendish Education lt 973 931 0t 5i

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Primary Mathematics 3b Workbook Pdf

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