Singapore math gr 3 workbook 3a part 2

PRINNARY
NNATHEMATICS 3A
WCRKBOCK

Port Two

Nome
Closs

School
cu**raurrrr,r PLINNTHc a DevElopMENr Drvrsrorrr
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q[D MrNrsrRy oF EDucAfloN, STNGAPoRE


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/

qID

cunnrcurulrr pLANNTNG & DEVELopMENT DrvrsroN
MrNrsrRy oF EDUcarroN, STNGApoRE
Marshall cavendish
Education


o

r 982, 1992

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ao,,

oqa

cunicu um Dev€lopm€nt hnituie oi sinqapore

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Ptnnrnq

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D"r,lopm€.r oiv
r'Iinistry ot Enucalion, Sin9apore
Published by Mauhall (avendith Edu(alion
A

nenbet of rines tublishing Linited

rimes Centre,l New IndustfidlRoad, singapore 536196
Custom€r Seryke Holline: (65) 6213 9106
E mail:

fps@s! maBhal cavendish.com

websile: wwwmdsha kavendish.rom/eduration/s9
First published 1982

Reprfled 1999, 2000, 2001 (lwice), 2001, 2004, 2007
A lriqhls reserued. No parl afthis publkation may be reproduced, stored ln

.

€lrlevalsynem or tiansnr tted, n anyfom or by any means, €leclronk,

mechdn cal, photocopyinq, recofdin! or olherwise, w lhoul lhe prior

permission of lhe
tsBN 978 981

(opyrlht owner

0t 5655

8

riustraled by: Goh Ker FoqJesryn Pafg
Prlnted n sinSapore byTimes 6raphirs Pte ltd

ACKNOWLEDGEMENTS
The project team wouJd like to record their thanks to the following:

.
.
.

members of the Primary l\,,lathematics Team who developed the first edition and second
edition of the package
members of the Steer ng Committee for the second edition of lhe package

teachers who tested ihe materials in the package and provided uselul insighis and
suggestions

.
.

Educaiional Technology Division, for the design and production

components ol the package

of the audio-visual

all those who have helped in one way or another in the development and produciion of the

package


CONTENTS

4

Multiplicdtion Tobles of 6,7,8 ond 9
Exercise
Exercise
Exercise
Exercise
Exercise
Exercise
Exercise
Exercise
Exercise
Exercise

28
29
30

5

8

':@

31

32
33
34
35
36
37

10
12
14

to

4fJ

19

22
24
26

Revision 4

29

38
39
40

33
35
37
39
42

Exercise
Exercise
Exercise
Exercise
Exercise
Exercise
Exercise
Exercise

41

42
43
44
45

o

o.'o

44
46
48

W.W.W. @. @.W.@.@U3"9.


Money
Exercise 46
Exercise 47
Exercise 48
Exercise 49
Exercise 50
Exercise 51

51

Revision 5

65

Revision 6

53
56
58
61

63

Aury'

M

69

W.W.@. @. W.W.@.@(A"@.


EXERCISE 28
1.

Complete the number potterns.
(o)
(b)

(d)

2.

Complete the tobles.

(o) A tricycle hos 3 wheels.
Number of
tricycles
Number of
wheels

1

2

3

3

5

6

7

8

9

10

27

12

(b) A squore hos 4 sides.
Number of
sq

uores

Number of
sides

1

A

2

3

A

)

20

6

7

8
5Z

10


(c)

There ore 5 stomps in o set.

Number of
5er5

Number of
stomps

(d)

X

2

1

1

2

5

6

4

5

3

o

7

8

1')

q

40

'10

50

Multiply.

5x2

=

(b) 4x4=

(c) 9x3

=

(d) 3x6=

(e) 6x10=

(f) 2x8=

(g) 7xS

(h)

(o)

8

18

4

3.

7

=

(i) 4,8 -

J

10

20

5

5

4

3

10x1=

(j) 5x7=

q

10


{
ff

4.

Comolete the number sentences.

fl

3x

)

4x

=24

{ z+*l

36-

=

{--- ,i-:rlt

\?ti:

l

K-s " =3s];
\-::r-L----l

{.,,-,6;-=4

d-t

K.-19-19:---l

5.

Divide.

=

(b) 45*5=

(c) 30+10=

(d) 16*2=

(o) 36-r 4

(e)

21

=

(f) 20*4=

(s)

30-s -

(h) 12*3=

(i)

12

:2

0) 12-4=

+-3

=

/t-


EXERCISE 29
1.

Complete the multiplicotion sentences.

(b)

(o)

6x6=

6x5=
(d)

(c)

6x7

8x6=
6x8=

=

(f)

(e)

9x6=
6x9=


2.

Muitiply.

iiiiiiiiii

9


EXERCISE 30
1.

Join eoch poir of motching ccrds with o stro
The line will poss through o letter.

(1)

lZ '-

(2)

(3)

(4)

rq)

O

5

18+6

B

60:6

5

48+6

1

30+6

(6)

ight line.

a

a

7

54+6

10

(7)

9

Whot cqn you sometimes see in the sky ofter the roin?
Write the letters in order from questions 1to 7 to find out'

(1)

(4)

(2)
10

rq)

(6)

(7)


2.

Multiply or divide.

1x6
5 x6

=

=

12+/ +

6- c,-

=

24- a60- A_
54-

6x10=

30+ A_

6x4
6x2

=

18-

A_

=

0-

A_

x6
6x6
6x9
7

=
=

Colour the spoces which contoin the onswers to get o
p

rctu re.


EXERCISE 31
1.

Complete the cross-number puzzle,

ACROSS

38x6
B.

D.
F.

5x6
24x6
6x35
6x48

DOWN

A. 45x6
B. 52x6
C. 6x9
D. 6 x17
E. 6x68


2.

Find the product for each of the following.

306

x6

791

x6

450

x6

800

x6

Colour the spoces which contoin the onswers.
You will help the lioness find her cub.

574

x6

923

x6


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


2.

Find the quotient cnd remoinder for eoch of the following.

Quotient:

Quotient:

Quotient:

Remoinder:

Remo inder:

Rem o inder:

6Foo

Quotient:
Remoinder:

6W

Quotient:
Remoinder:

6Eos

Quotient:

Quotient:

Remoinder:

Remoinder:

6V1s

6Tez'

Quotient:

Quotient:

Remoinder:

Remoinder:

15

EXERCISE 33
1. A shopkeeper

sold 6 colculotors ot $45 eoch.
How much money 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?


4.

Mr Lin sold 462 flowers in bunches of 6 eoch.
Eoch bunch of flowers wos sold for
Flow much money did he receive?

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


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


EXERCISE
1.

34

Multiply.

{o1

19


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-


3.
(1)

(2)

r?)

(4)

Join eoch poir of motching cords with o stroight line,
The line will ooss throuoh o letter.

2x7
1O

-

2a

-7

56

4x7

7

70+7

3

8x7

14

(6)

49

(7)
7
(8)

x7

5

35+7

10

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)
21

(8)


EXERCISE 35
1.

Multiply.
80

x7

71

x7

98

x7

54

x7

39

x7

62

x7

35

x7

43

xl

76

x7

Colour the spoces which contoin the onswers to find the
woy to the treosure.

TREASURE


2.

Multiply.

700

x'

x7

145
7

Which insect looks like it is proyingl
Write the letters that motch the onswers to.find out,

P-N
4578

2821 574 672
315

4900
23

2296

3717
1015


EXERCISE 36
1.

Divide.
Then join eoch bclloon to the child with the correct onswer.

?n"-O

3"gl

5

O1o
-v
70R6