Primary Mathematics 3a Workbook Answers Pdf

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Transcript of Singapore math gr 3 workbook 3 a part 2

• 1. PRINNARY NNATHEMATICS 3A WCRKBOCK Port Two Nome Closs School 0/ cu**raurrrr,r PLINNTHc a DevElopMENr Drvrsrorrr q[D MrNrsrRy oF EDucAfloN, STNGAPoRE
• 2. PROMARV NNATHEMATOGB 3A WCRKBCCK Port Two 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 Curriculum Specialists Cheong Ngan Peng, Christina Ho Juan Beng Sin Kwai Meng C/ cunnrcurulrr pLANNTNG & DEVELopMENT DrvrsroN qID MrNrsrRy oF EDUcarroN, STNGApoRE Marshall cavendish Education
• 3. o r 982, 1992 cunicu um Devlopmnt hnituie oi sinqapore o ao,, oqa ..r hu r Ptnnrnq . D"r,lopm.r oiv
• 4. CONTENTS 4 Multiplicdtion Tobles of 6,7,8 Exercise 28 Exercise 29 Exercise 30 Exercise 31 Exercise 32 Exercise 33 Exercise 34 Exercise 35 Exercise 36 Exercise 37 Revision 4 Exercise 38 Exercise 39 Exercise 40 Exercise 41 Exercise 42 Exercise 43 Exercise 44 Exercise 45 ond 9 5 8 10 12 14 to 19 22 24 26 ':@ 4fJ 29 33 35 37 39 42 44 46 48o.'o o W.W.W. @. @.W.@.@U3"9.
• 5. Money Exercise 46 Exercise 47 Exercise 48 Exercise 49 Exercise 50 Exercise 51 Revision 5 Revision 6 51 53 56 58 61 63 65 69 Aury' M W.W.@. @. W.W.@.@(A"@.
• 6. EXERCISE 28 1. Complete the number potterns. (o) (b) (d) 2. Complete the tobles. (o) A tricycle hos 3 wheels. (b) A squore hos 4 sides. Number of tricycles 1 2 3 5 6 7 8 9 10 Number of wheels 3 12 27 Number of sq uores 1 2 3 A ) 6 7 8 10 Number of sides A 20 5Z
• 7. (c) There ore 5 stomps in o set. (d) 3. Multiply. Number of 5er5 1 2 3 4 5 6 7 8 J 10 Number of stomps 5 20 X 1 2 5 4 5 o 7 8 q 10 3 18 4 1') q 40 '10 50 (o) 5x2 = (b) 4x4= (c) 9x3 = (d) 3x6= (e) 6x10= (f) 2x8= (g) 7xS = (h) 10x1= (i) 4,8 - (j) 5x7=
• 8. 4. Comolete the number sentences. { ff fl 4x 36- /t- { 6;-=4d-t .,,-, K.-19-19:---l ) 3x =24 { z+*l = {--- ,i-:rlt K-s " =3s]; ?ti: l -::r-L----l 5. Divide. (o) 36-r 4 = (b) 45*5= (c) 30+10= (d) 16*2= (e) 21 +-3 = (f) 20*4= (s) 30-s - (h) 12*3= (i) 12 :2 = 0) 12-4=
• 9. EXERCISE 29 1. Complete the multiplicotion sentences. (o) (b) 6x5= 6x6= 8x6= 6x8= (c) (e) (d) 6x7 = (f) 9x6= 6x9=
• 10. 2. Muitiply. 9 iiiiiiiiii
• 11. EXERCISE 30 1. Join The (1) (2) (3) (4) rq) (6) eoch poir of motching line will poss through ccrds with o letter. o stro ight line. 5 B 5 a 9 lZ '- O 18+6 60:6 30+6 54+6 a (7) Whot cqn you sometimes see in the sky ofter the roin? Write the letters in order from questions 1to 7 to find out' 48+6 1 7 10 (1) (2) 10 (4) rq) (6) (7)
• 12. 2. Multiply or divide. 1x6 = 5 x6 = 7 x6 = 6x6 = 6x9 = 6x10= 6x4 = 6x2 = 12- +/ + 6- 24- 60- 54- 30+ 18- 0- c,- a- A_ A_ A_ A_ Colour the spoces which contoin the onswers to get o p rctu re.
• 13. EXERCISE 31 1. Complete the cross-number puzzle, ACROSS DOWN A. 45x6 B. 52x6 C. 6x9 D. 6 x17 E. 6x68 B. D. F. 38x6 5x6 24x6 6x35 6x48
• 14. 2. Find the product for each of the following. Colour the spoces which contoin the onswers. You will help the lioness find her cub. 306 x6 450 x6 574 x6 791 x6 800 x6 923 x6
• 15. EXERCISE 32 1. Divide. --o/15 What do you coll o figure thqt hqs 5 sides! Write the letters which motch the onswers to find out. 10R4 6R2 12R3 8R5 8R1 14 16 9R5
• 16. 2. Find the quotient cnd remoinder for eoch of the following. Quotient: Remoinder: Quotient: Remo inder: Quotient: Rem o inder: 6Foo Quotient: Remoinder: 6Eos Quotient: Remoinder: Quotient: Remoinder: 6W Quotient: Remoinder: 6V1s Quotient: Remoinder: 6Tez' Quotient: Remoinder: 15
• 17. EXERCISE 33 1. A shopkeeper sold How much money 6 colculotors ot $45 eoch. did he receive? 2. Our heort beots 72 times o minute. How mony times does it beot in 6 minutes? 3. A vegetoble seller pocked 153 tomotoes into bogs of 6 ecch. How mony bogs were there? How mony tomotoes were left over?
• 18. 4. Mr Lin sold Eoch bunch Flow much 462 flowers in bunches of flowers wos sold for money did he receive? of 6 eoch. 5. Abdul cut o wire 408 m long into pieces. Eoch piece wos 6 m long. He sold 32 of these pieces. How mcny pieces were left? .17
• 19. 6. Mrs Roio used 6 boxes of coffee bogs in 4 weeks. There were 20 coffee bogs in eoch box. How monv coffee boqs did she use in 1 week? 7. Peter hqd 208 Moloysion stomps ond 186 Indonesion stomos for sole. The stomps were mixed up cnd sold in pockets of 6. How mony pockets of stomps were there? How mcnv stomDs were left over? 18
• 20. EXERCISE 34 1. Multiply. {o1 19
• 21. Divide. Then join the dots by following the order of the onswers. You will complete the picture of o soil boot. 5)+/= 49+7= 63-7= 4,-7-
• 22. 3. Join eoch poir of motching cords with o stroight line, The line will ooss throuoh o letter. (1) 2x7 (2) 1O - -7 7 r?) 4x7 (4) 70+7 8x7 (6) (7) 7 x7 (8) 35+7 Whot bird eots with its heod upside down? Write the letters in order from questions 1to 8 to find out. (1) (2) (3) (4) (s) (6) (t) (8) 21 2a 56 3 14 49 5 10
• 23. EXERCISE 35 1. Multiply. Colour the spoces which contoin the onswers to find the woy to the treosure. 80 x7 54 x7 39 x7 71 x7 62 x7 43 xl 98 x7 35 x7 76 x7 TREASURE
• 24. 2. Multiply. Which insect looks like it is proyingl Write the letters that motch the onswers to.find out, P-N 2821 574 672 3717 2296 315 4900 23 700 x7 145 x' 7 4578 1015
• 25. EXERCISE 36 1. Divide. Then join eoch bclloon to the child with the correct onswer. ?n"-O 5 3"gl O1o-v 70R6
• 26. 2. Divide. Whot birds hove wings for swimming? Write the letters which motch the quotients to find out. 110 13 65 155 19 114 88 102 25
• 27. EXERCISE 37 1. John jogged round the How mony metres did trock 7 times.400-metre ho inn? 2. A poil holds 7 (, of woter. A tonk holds 637 { of woter. How mony poils of woter con the tonk hold? 3. Mrs Wong How mony poid $98 for the kilogroms of fish bosket of fish. did she buy?
• 28. 4. Mr Copol bought some books for $301. Eoch book cost $7. His wife helped him to corry 18 books ond resf. How mony books did he corry? ne corneo fne 5. Mrs Lin pocked 875 g of sugor equolly She put 5 of the bogs in o box. How mony groms

Primary Mathematics 3a Workbook Answers Pdf

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