N,-3€-s ro too

counting in tens

aO @oo

@o @g Teocher's instructions Count on in tens. Write the missing numbers. Use o lto grid to help you.

100 number

@ Drow yourself blowing bubbles ond choose o number, either three, six, eight or nine. Write the number in the first bubble ond count on in tens.

Moteriols I to 100 number gnc

(D

counting in tens

Numbers to

100

counting in tens

Count on rn tens on eoch strip. Write the missing numbers.

@ Cnonge the mochine to counting in 2Os. Write some strips thot woulcl come oul.

2

counting bock in tens

Teocher's instructions

3

Count bock in tens. Write the missing numbers. @ Stott ot 99. With o portner, toke turns to throw o dice ond count bock thot mony tens. Repeot. Who is the first to reoch zero?

Numbers to

lo0

@

Ploce-volue

tens ond units :

@W/-.ffizl?

ig

.

:

@

1WW* :.?,

#ss

leil E.*i IHHffiBI 6,-',\r.

.---

B

It,,

t&

@

a

Write the number to motch the towers ol ten ond loose cubes. Moke up one ol your own.

@ Use interlocking cubes. Build some of your own numbers with towers of ten ond loose cubes. Write number lobels to motch.

4

Ploce-volue

tens ond units tens

units

tens

units

tens

units

tens

units

tens

3

units

tens

units

tens

units

tens

units

Teocher's instructions Eoch number is split into 'tens' ond 'units'. Write the missing numbers.

tr

@

@ Throw two dice, one fot tens ond one for units. Write the lorgest 2-digit number you con moke. Repeot five times. Write the numbers in order:

tens ond units

Ploce-volue

@

Join one tens cord ond one units cord to the motching numbers on

the right. @ Use tens ond units cords to moke some 2-digit numbers of your own.

6

doubling

su-

{

V tr

*

*

vtr

tr tr ry w tr tr

tr tr

vwv*

tr+tr=tr Teocher's instructions Complete eoch oddition. Write the totol number of fingers.

@ Double numbers obove ten. How mony con you do?

& M H

tr

Addition

doubling

p- |

p

p*

L

-|

-I

[0.

lp

Double the omount in eoch hond. Write the totol.

@ Use 2p ond lp coins. Toke o few. Count the totol ond double it. Repeot.

-|

p-

lp

lp -

p

p

p

@

lp

|

lp

p

-|

lp

p

-L

lp

Addition

odding neor doubles

Oa Ct

s

7+8=

ao 6e

Teocher's instructions Use doubling to help you to find the totols. @ Toke o cupful of cubes. Count how mony. Double the number. Write on oddition. Bepeot.

@

TL+L]

odding

Addition

@

Write the missing numbers on eoch grid.

@ Drow lorries or grids for eight ond nine.

lo

odding

Teocher's instructions

il

The totol cost in the first column is 6p, in the second column 7p ond in the third column 8p. ln eoch column, write the missing prices for the pencil or rubber.

@ Drow your own pencil ond rubber sets thot totol lop.

Addition

@

Addition

odding

@

Complete eoch poir of numbers to totol the number in the middle of eoch wheel.

@ Moke up your own 'wheels'for poirs of numbers thot totol

T ond ll.

12

Subtroction

toking owoy ten

48cm-lOcm=

99cm-lOcm=

23cm-lOcm=

44 cm- l0 cm =

90cm-lOcm=

8l cm- l0cm=

72 cm-

65 cm -

IO cm =

Teocher's instructions Toke owoy l0 cm from eoch piece of tope or ribbon. Write the new length. @ Write the lengths you would hove if you took ll cm eoch time.

IO cm =

@

E.,

toking owoy

Subtroction

@

3lp

Teocher's instructions The blue cors hove gone down in price by 20p. The red cors hove gone down in price by 30p. Write the new prices.

@ Toke owoy llp from eoch cor.

t4

Subtroction

toke owoy money

(@.-.4*-.

(oe@@

6il

,.--@

@

@

tr'-ffi=Eo @ -.@

d%@

t-ffi=

For eoch purse, write the omount in the first box. Toke owoy the omount shown in the stor. Write how much is left, in the second box.

@ write down some different woys to moke 30p using coins. How mony woys did you find?

@

-L

Teocher's instructions

t5

@ p

p

toking owoy

68- ll

83- Il

Complete the subtroctions. @ Subtroct ll from eoch onswer.

tr ll

twos, threes ond fours

O-l Q.

Numbers to

100

'p

.ffiQ.. prpffi$6@ Q,rA7

I

--+ Teocher's instructions

t7

Count on in twos olong the stepping stones. Count on in threes olong the tudles. Count on in fours olong the lily pods. Write the missing numbers. @ Continue counting on in threes. How for con you go?

threes, fours ond fives

Numbers to

too

@

Write the missing numbers counting lorwords or bockwords in threes. fours or {ives.

@ Drow your own troin. counting on in sixes.

t8

threes, fours ond fives \-r^t

:..,*--..-'

Teocher's instructions

tq

Write the missing numbers counting forwords or bockwords in threes, Iours or fives. @ Moke your own oeroplone troils. Write potterns of numbers

Numbers to

100

@

Addition/subtroction

odd ond subtroct

P

@

IEJ=<3

on

8 off, 3 on r+

7 ottaa)

people

6 off, 8 on u)

people

peopl

P

people 3l'off, B on

r)tr

people

P people

6

olf ,8 on

er)

people

The number on eoch bus shows how mony people there ore ot the stort. Write the totol number of people ofter eoch stop.

@ There ore 24 peeple on the bus. Write different woys for people to get on or off to leove 20.

20

odd ond subtroct

Teocher's instructions pencils' Pencils with o rubber cost 8p more thon ordinory

2l

Write eoch missing Price. 40p ond 50p' @ Choose ony two pencils, from those obove' which totol

Addition/subtroction

@

odding

Addition/subtroction

@

Drow two more dorts on eoch boord to moke o totol of 20.

@ Drow your own lorge dofts boord. Use three tiddlwinks. Flick them onto the boord ond odd your score. Repeot.

22

Ploce-volue

one more

ffi ffi

w ffi @ rn qi/

ffi 5q

ffi \ffi

Teocher's instructions Write one more thon eoch number on the second seot'

23

@ Write one less thon eoch number.

Ploce-volue

ten more, ten less

s}

20

_\Jl4^ le= A 4-._:r---) On eoch umbrello, write ten more ond ten less thon the number in

the middle.

@ Write 30 more thon eoch number.

24

Ploce-volue

more or fewer

@

more

more

more :D

rift-"-aG{X)-

fewer

fewer ,{-eI!

fewer

Teocher's instructions Wrile how mony more, or fewer, pieces of lruit or vegetobles ore in the

25

second lorry.

@ Write poirs of numbers, one '20 more' thon the other eoch time.

more

:

Addition

odding

*

l5+5

o l5+5

@

8+2

(

14+

I

l5+5

20+O

@

q+6

Ir* 17

+ ,J

o

'x

+3

\o

t6+2

x o\

7*b

12+7

\O' ,

lq+

I

20+o l4+ 6

ll+q

t0+ t0

l5+5

18+ 2

Colour block or dork blue oll the spoces which totol 20- Colour red the spoces which totol 15. Colour yellow lhe other spoces.

@ Write some different odditions to totol

19

ond

14.

26

Addition

odding

@

l6 + B

17+6

il=E

nffi.tn=E l8 + 4 lB + 2

.[:=r

-t

l

17+8 l8

il=

+

l5 + 6 l5

+

Teocher's instructions Find the totol lor eoch oddition by writing the missing numbers in

27

the clouds. Hint: Write the oddition out ogoin, moking the first cloud totol 20 eoch time. @ Add nine to eoch totol.

-t

l

odding

Add six to eoch of the numbers on the yellow kites. Write the totol on the end of the string. Add seven to eoch of the numbers on the pink kites. Write the totol on the end of the string. @ Add onother six to eoch of the yellow kites. Add onother seven to eoch of the pink kites.

Addition

@

28i

Subtroction

buying

l3p-3p-

I[,

Ip

l6p

-

6p

spend

l5p

-

5p

-

r

!p -t-l

Sp^en^d

I

lp

l4p-4p- 3;=[,

soend I r\-.r tj-' -' u--r ..

i;

BP

,+p

(..

-I

lp

l5p

-

5p spend

r6p-trp-Ep=[-.1

p

l3p

-

Teocher's inatructions Complete eoch subtroction. Finish writing the lost two subtroctions ond write the onswers. @ Use number cords l0 to 20. Choose o cord. Subtroct eight. Repeot.

li2e

@

Subtroction

subtrocting

?*a l7

tr=r

tr-tr=tr I5

15 tr=tr t/ t6

tr=tr

LtII

Pcli

tr

t4 tr=tr

Write how mony nuts the bird is going to eot ond complete the subtroction.

@ Drow some biscuits on o plote. Decide how mony you will eot. Write o subtroction. RepeoL

@

Subtroction

subtrocting

lose

lose

lose

Teochel's instructions

3t

Write how mony morbles ore in eoch bog. Write how mony ore lost. Complete the subtroction. @ Toke nine more morbles from eoch bog. Write how mony ore left.

lose

@

Multiplicotion

fives

I

Write the totol omount in eoch money box.

@ lJse coins to find the totol of ll fives ond

12

fives.

@

Multiplicotion

fives

*

3

Teocher's instructions Eoch finger counts (stonds ,or) five. Write the totol eoch time.

@ Colour five squores on squored poper. Colour five more undemeoth. Repeot ten times. Write the numbers from I to 50 on your coloured squores. Whot do you notice?

@

Multiplicotion

fives

^#&#r

@

ffit ffi@ @ @ There ore five finger-puppets in o pock. Write the number ol boxes ond the totol number of puppets.

@ Write how mony finger-puryets if there ore ten in eoch pock.

34

Division

dividing

Lo"S4r4^^

l-l*tffi 4,

i} Teocher's instructions ln the centre of eoch ring write how mony counlers. Divide the counters so there is the some number in eoch section. Write how mony in eoch section.

@ Count out 24 counters. Write the different woys you con divide them equolly.

@

Division

dividing

@

oo

o oo 8+2= tro 0

0

e

\}

"D e

OP

0

t2

&@

-gP-+4= l

_l

@@9a

12

@@@ 4 + 2=

fl4 & ao (ED

_fl a-O fl Q s<

;a

E6 6 + 4

a G Qacp G^a (, o s;D%Q

@X EG '@ 20+ +

{

4=

groups of At the top use different colours to divide the counters into into counters the divide to colours two. At tire bottom use different groups' mony how groups of four. Write equol @ Drow ony of the sets obove, which con be divided into three groups. Write o division for eoch set.

36

dividing

Teocher's instructions

37

Write how much money eoch pirote will hove when eoch totol is divided equolly. Use cubes to help you.

@ Find some more omounts of money which the three pirotes con shore equolly.

Division

@

holves, quorters ond thirds

Write the froction on eoch port ol the shope.

@ Drow four squores. Find o different woy to divide eoch squore in holf.

Froctions

@

Froctions

holf, quorters ond thirds

3q

Teocher's instructions

Moteriols

At the top, colour the froction oI eoch shope shown on the lobel. At the bottom, drow lines to divide the shope into froctions ond colour the froction shown on the lobel.

Ruler

@ Drow round some different shopes. Cut them out. Try folding them

into holves ond quofters.

O Harcourl Educal on Ltd Abacus 2 Number Workbook 2 tsEN 978 0 602305 44 4 Sixteenlh irnpresslon 2012 Written by Futh lvlerttens and David Kirkby Published by Pearson Education Limited Jordan Hi . Oxford OX2 BDP

www.ginn.co.uk llLustrated by Ann Kronheimer Cover illustratron by John Haslam Typesel by Ai(isl x Pr nted in L4a aysia. CTP WP

Al

r

ghrs rcsetued No pan or th s p!b rcalron may be reproduced rn

a.y mater a rorm 1 nc ud ng pholocopy ng 01 slorf g il n any'ned !m bv e e.lron c means.nd whelher or nol lrans enl y or nc d.nla y lo som. orhcr use ol th s pub car on) w lhout the wrl1ef perm ss on oi the copyrqhlown.r .x.epl i accordancewfi the pr.vsons ofthe Copyrghl L.e.s na Agency 90Tollenham Co!n Boad, London wrP 9HE apo .alo. iorlhe copvrqhr owneas wrllten perm ssron lo reprodu.e a.y parl ollhs plblcat,on shoud b. addr.ssed lo the pub'sher