Block 2 Number1
SOuuTTON \
-4,.--4
1. Writedownallthe oddnumberslessthan10.
1r"6,5, 1, q
for 2 moreterms
2. Copyandcontinuethefollowingsequences
a) 1, 4,7, 10,g5, rte
b) 38,36,34,32,3o,zB
3. Maryis countinghow manysocksshe has.Theyare in pairs
thetable
Copyandcomplete
Numberof Socks
Numberof Pairs
#ffi
##s
2
2 Pairs
4
3 Pairs
?le
t*Pairs
?8
4. The number24 has manyfactors
Copyandcompletefor ALLthe pairsof factorsfor 24
a) 1 x24
b) ? x12
2-rt2-
c) 3x?
3^B
d) ?x ?
r-+xb.
He makesa pattern.
withhismarbles.
5. Jamieis playing
Copythe patternsanddrawthe nextone
Howmanymarblesdoeshe needfor each?
o
.
u*
oooece
oooooo*(G('
I
4 x 5 - 3'=
6. Calculate
3
Zc *S
'= \1
tP
\C"
Block2 Number2
of 6 lessthan50.
1. a) Writedownthe multiples
\ct)\Z-, \8, z'4,3e,
3b- q-e , L+B
b) Which of the following are factors of 60 ?
(pO:
'J€,€r€J@'€9
lx\z:Q
$1<lz_
z rSC}
\a K rq)
ex2e
+xls
o"Lt c$ he.-v1
2. Writedownthe nexttwotermsin thefollowingsequences
a) 17,14,11,8, 5 - 2*3 *S
-3
b) 2,5, 10,17,26, 3-1 5a
+3-i5
+-1 +q
+r\
+\B
3. Calculate
:
a) 8+(3+2)-4
B+5*\:13*u1:Q
"= 2+r2
b)2+3x4
: \\-:f
lights
4. A shophas2 setsof flashingChristmas
Oneset flashesevery5 secondsandthe otherevery6 seconds
lf theyare bothon now,howlongwillit be untilare bothon again
.UG
\
5*,
\Os, \3s,2c)s,
25s,
2
(ps,
'!'2-s
'**
j I Bs-
Zt+S-,
Qs
Block2 Number3
1. Find
a ) t h e L . C . M .o f 6 a n d 8
vrrZ-, rB, Z\,3C,
t, l\oz 2-l+
b) the H.C.F.of 30 and 12 tz 2 lxtz-
3Q= I x 3Q
z t( \c?
3
X
a)L2-3x5-z-\S:1
2. Calculate
r-C-rn = a\
bx\.,
HcF : b.
z.xtS
3X tq
382 ,2
d) 14.7x 26
e)4.23x0.7
b) 66X B + 7 rr&t1:\K
c)184-96+8 rBb*B3.
9ro
Z,gto\
3. Writedownthe nexttwotermsin thefollowingsequences
a) 1, 4, g, 16,2_5,
3r.'
fS
aS +-1
b) 1, 3, 6, 10,i5, z\
*lz -i-sist
*$ .r|4
c) 1,8,27,64,t?s;rrro
lxlxt=\
;21ZXZ =E
5x5x5:125
3x3x3:2-1
+r(t+2\t+ = ta+
bxtoxlr'
flashesits lighttowardsCrabRockonceevery20
Hurricane
4. Lighthouse
second.
Sundialflashesits lighttowardsCrabRockonceevery15
Lighthouse
seconds.
you cansee both
Youareshipwreckedon CrabRockandsometimes
lightsat once
Howoftendoesthishappen?
HUrucGne_
S;-d\c*l
?-(f , L\C, \oQ, t50: \QQ
\ 5, 3C. t+5, \eQ- 1 s
.
LCrn
eu e.\i
v
= bg
toCJSecs
/,
(i
or-t-'
)
e 2\\a
Block2 Number4
1. Writedownall the factorsof 72 and 108
findthe HCFof 72 and 108
Hence.Or otherwise,
2. Writedown all the primenumbersless than 20
a) Findthe primefactorsof 60
3.
b) Write60 as a productof primefactors
4. Findthe valueof
b)26- 321+ 578 = t'ot+ - 32i
= zBB
12+24+8
a)
> \z+3
= ib
4
'+
'
.-\?
:
,lt-
x
iQt
l>."12
?
lxlQ,E-
zx sLt
zx s\,
3xZ+
+xtB
LoxtZ
8 xq
3x3\p
l+x2-1
io ><t$
I xtztrcic*a,c
l ",7r3, 4, V, \,z.rt B, Z-'1,3 ro,
Fqctcrs
| ,zr B, Lt, (.o,t, g, t2_
.,\B/ z\8.\.,
HCf
S \+, \OB
= 3\p
\\/\3j \-L\q
1Zg1
3
,12
=\x2-xZxt5
[^oO=])<bQ
z.x 30
3 x2-ct
+x 15
5K12
[r, )< lq)
pr-trmt scta's
2,3,5,
: I x2x2- x3r.5
= | xZix3xS
t Zzx3xS