Post on 10-Dec-2015
description
2
unit 1
classworksection 1
classworkSECTION 'l numbers and dimensions
A Read out these numbers.
1 3 B 1.053 15 153872 14 9 2,279 16 7353 40 1 0 10,87 4 17 90 0054 93 11 1200 18 19315 102 12 100,302 19 44'8296 231 1 3 1,000,000 20 B0 757 995 14 82985
B Put in the decimal point. eg '12'00. oreg 1,000, when you hear these numbers.
27149 38529391 349 728357 219
F Use these patterns to ask andabout objects in your classroom,table, etc.
answer questronseg window. door.
\*fJ ',,;(0)
s
Ea,q B,uxVOTAOSv9
o?5S\A
Lub.9
,V 09vt1\
0a -o'
ioL$
0)3JEL
.olr\r\
j6LU(^a)
FI
oVIaOJJ
Lolr
C Write down the names of these units: mm. m, cm.km.
Write down the twelve values you hear.
What are these dimensions called?
I hioh I
How I *io" I ir z
long
Height. width and length are all nouns
lign, wide.and long are all adjectives
. Height, width. length are I dimensions
859310301281
the comma.
001 003005
D
r--T",-
high.rs . . wide
long.
is theheig htr,nlidth
length
heightwidthlength
lengtn.
heightwidthlength
I
G Make a table of adjectives and thenouns like the one below. When Youof adjectives and nouns, add them to
SECTICN 2
A How are
a* b=ca- b:d
We can also sa,,,,
axb:e
These signs indicatenouns and verbs arethem ? The fi;'st one
reading basic formulaethese formulae spoken ?
correspondingmeet new pairsthe list. axb=e
d
D
mathernatical Processes. Whatused to taik and r,t,rite about
is done as an examPle.
a
-:{t)
H
1
Describe this
w=0 95 mh =1 02 m| =?-.15 m
block, using the dimenstons glven:
2 w=34'24 cmh =18 75 crn| =72'3'1 cm
3 w=0'23 mh=009m| =085m
Th
II These signs ( ) are calledThese signs I J are called
ABC are letters;
How do we read. ,?, ?
Cef are -=_-r-
ietters.li*'i;
$B How are these fractions spoken in English?
1Lz?=i 5 3 .16
13+zV
Sign Noun Verb
t addition add
X
q
F
rI.
iiII
l
II
t
c
1 O E=T+ P*c+e
these values sPoken 7
(Y, - v ''\6 ',,-v =\7, Jtx-x
)
xt v' z'J +:.-: * '- laD,C8 d=.,/t(x --x )''-(r'-V)''+(z -2")'')
9 b'' =a' (1 -.e )
10 x' 't Vt+2gx+ 2f Y+7-=g
SEC'IION 3 reading more complex formulae
A What do tlrese symbols mean in English 2 Give an
example oi each one
I - 6 > 11 cc
2+1<12co3 -:: E
4 --> I < 14
5
B H'ere is the Greek slphabet Make sure you knovv
how, this ib read.
tl()
I
li)
lt
P.ractise readrng ouI
1
f - e'znu'Lc
E = d7-.0
2nflA/ --"ur. P
these exPresslons:
luA^.-tr+ ,- 4nR'
5 y,,=4rx '1 O-t Hm''L
D /^-U U-n- , .:t -n a(i L
25
unit 2
class.vorkSeC',rOit 2Read out
a+bx= -i
.Ax+Y-" ^_'iOU
1=2+ (n-1)d
V= lR
111--r-- .
these equatlons:
6
1
v=u+al
.Ft=rltv- ntt
1MD Fl
do--.---u3
4
D Flow are
x'x.X,,
1
2
3
4
5
XD1
x-"1/x
{x{x
Now read out these values and equations
ZOcnrs . x'?gd gt.t t x3'o
33 cm3 (a+b'2)2
4.39 cm" J xV
9 1 x 1O t' kg i/ (x-a')
E Practise reading these expressions:
1
" xt'
ynitt -y frt
xz -a? = (x+a) (x*a)
Y= ae*'
nx 1 + n1X2
" m+n
v.AlJ8l'rrjAr: E"7
HIN:JO-3r'l'I oo fi oKrinlY.AP?ritYl\1 oZ(')0
c
ii
I
fif:ri;t:;xg&m
s
26
unit 2classworksection 2
;
drill 3
Number onea sguared plus b squared equals c.
Number liruox rc the pavt/er of a half over d equals thrrty
/2e \J v,=^/\rV,l 9 o=
*o '?B u=# 10 ^t'
K
Myc P_+_!A4Q
tQ2-",2\3nR2\" .i )
D Here is the formula for calculating the volume of a.cylinder:
V=nr2 h
Now, read through this simple calculation with yourteacher:
height 16'3 cm andvolume.
1 a21b2=c
x"'? -,=3O"d
X- t'2
5 --,-:1a'+ D'
/v x\'o $-alV \xt +Y')
(b- c)'a=-u7
O1
7'6 x'10-3 m s-'
aJ
4A is a solid metal cylinder ofdiameter 6'7 cm. Calculate its
V= nr2 hn:3 142
d,?
67 c.ctr ^*J JJ UIIIIh:16'3cm AV:3.142x3.35, x 1 6.3
=514 75 cm3
E \,Vrite dovrn the formulae you hear.
F Read out these exPressions:
'1 0>90' 6 0=05' 11
2 x-->q 7 E<+0'32 12
3 eqT I 1r=5'3 13
4 u=p n .'.5:1+A 14-c a,*b, '10 2>1 15
X
x2 v28 "+i;=1a' D'
1
h
l
drill 4Wlrat's the square root of x?t 1.
i
\A/hat's y to the power oI 4;:3.78.
a,/ *.=1Z'. --- 5:_!:1..r* d',!";,2,;? . l z:7 29
y,o=3.7g x-, :40'- a-":O.72'ty2 ? =7 21 '5 yfl-1 =7 ' x-7 ='91
drill 5ls x equal io y?No. x is greater than y.ls a proportional to b? ?
No, a is equal to b2.
?3tv1 J-2A- 32'3'16
$(24+911=r1516
tnrt
t,a:
i:
!
*ifti't::,:
€$
I*ftEt
x>Yo->ooY=+30
)',>45z--5O0<90"
a:b,t* {lf,x.da2:b2
l-- 6 **]