Page 31 - steps 3b.pdf

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• Table graphs • • • • • • • • Multiplication . • colculotor,
completed copy of RM 89
~~~~]~~~ Lucy drew this graph showing the '2 x' and 'x 2' tables. OJ Copy and complete. ~~~~]~~~

If>
a 3 x 5 = 'i: '\ b 9 x [)~ = 1! C 7 x ~~ = 14
.'l!l o ~
-Iabl.e. o} WOS 1~ t·".,. ... to.lole. 1~ e 10 x 7 =.:
(~X) (.><2.) d ~: x 4 f D<::\g X 10 100
<:>
<i1 • o
9 D'g x 9 90 h 7 x ~: = 35 4 x 4 Dg
It <:::> <ll> <::.
Ib
[]] Find at least 5 different answers between 10 and 50 to each of these.
,
..
1'1" ,.
a Dg x 2 = DOg b 5 x d'g =!i~ c.: x 10 =.:
<:::> <::. <::. <It> . -
12.
10 []] Use your grid on RM 89 to help you answer these.
a 7 x 8 = S;: b 9 x 6 = D'g
° <ll> ~ <:::>
C 6 x Dg = 48 d .<1> x 8 32
° <::. : 0".,,19
(,
e Dgx 7 = 49 f ~: x 9 = 63 C. ~. -~ .
4- <::\ <ll>. ~
9 9 x ~g = 81 h D:g x 5 = 45 ~
<0 ('1(::;)(: .
, b 7 fr 'l lo x :>. ... < .:," :;<'.:~
.:.: ~,
OJ Choose materials to draw a graph like Lucy's
to show one of these.
CHALLENGE
a b c
'x 3' table 'x 4' table 'x 5' table Try to do these without the help of materials
and and and or your teacher. Challenge
..
DO o
'3 x' table or '4 x' table or '5 x' table a 13 x 5 = »: b 5x16= <::\c,
.
c 15 x 6 = Dg d 25 x 9 =.: a 13 x 5 = 65
[]] Now work out which answers are in both
the 'x 2' table and the table you drew. '" b 5 x 16 = 80
Show how you do this.
c 15 x 6 = qO
m I STEPS 3b:221 I STEPS 3b:221 m
d 25 x q = 225 ·
OJ OJ 00 00
Practical: drawing graphs of either a 3, b 4 or c 5 times table. a 3x5= 15 Open: finding at least a 7 x 8 = 56
5 different answers
b q x 2 = 18 between 1 0 and 50 for b q x 6 = 54
00 c 7 x 2 = 14 each of: c 6 x 8 = 48
If a chosen: 6, 12, 18, 24, .. . d 4 x 4 = 16 a multiplication by 2 d 4 x 8 = 32
If b chosen: 4, 8, 12, 16, 20, .. . e 10 x 7 = 70 b multiplication by 5 e 7 x 7 = 4q
If c chosen: 10, 20, 30, ... f lO x 10= 100 c multiplication by 10. f 7 x q = 63
g 10 x q = qO (1/3 a) g qx q =81
h 7 x 5 = 35 h q x 5 = 45
4x4= 16