Page 59 - 04MATY4 318 STEwsh DRM_Neat

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• Fractions and division • • • • • Reading a graph • • • • • •
_:1.IelS1'~ ,::'~ e, el ~1!!J Alice and Peter designed this line graph to show ~:1.IelS1'~
PAGE 114 the outdoor temperatures they had recorded. CMtdror ternperGttl.lfe 2nd OLtoID" PAGE 115
, ! rn 12
To find t of a set, we divide the number Into 3 equal parts. At what times did they start and finish?
rn
t of 9 = 3 9 - 3 = 3 Use the plotted points to find the time 10
when the temperature was: 'I
OJ Write the answers only.
~7
IJ e 18 + 3 f t of 18 9 30 + 3 h t of 30 Write the temperature when it was:
d t of24
b t of 15
c 24+3
a 15 + 3
a coolest in the morning 5 It
5 b 5 c 8 ~ Copy and complete these. b coolest in the afternoon. 3
a .+ 5=3 b i of . =3 C.+ 5=6 d i of = 6
1 8 e 6 f 6 Write the temperatures at these times: 2.
a i of e= 5 f i of.= 10 9 i of =2 h tof a =20
a 1 pm b 9am c 11 am.
I 10 h 10 @] Now try these. '1 10 II 12 I 234
. (am) . (pm)
a 40f 24 = 6 b _of 27 = 9 c _of 50 = 25 d _of 40 = 8 Between which two times did this happen . I:.irrlf<
f 4 0f8= 1 . 9 _of 90 = 9
~ m How many minutes in: h _of 14 = 2 a The temperature rose 2°C.
b The temperature rose 5°C.
c The temperature dropped 2°C.
15 +5=3 a 1 hour b t hour c t hour d t hour d The temperature dropped 5°C.
a t hour f t hour 9 t hour h ~ hour? a The temperature rose 7°C.
1
I "5 of 15 = 3 @] a Draw more lines like this one and divide them 6 Estimate the likely temperature at:
into equal parts.
12cm
30 + 5 = 6 I a b
t of 12cm t of 12cm t of 12cm t of 12cm
Try to show all fractions from t to ~ on your lines.
I t of 30 = 6
00 5). \\ ~ rm
CHALLENGE .
, t of 25 = 5 Jessica had 24 sweets and ate t of them. ~OO~ O(0tY
She gave t of those left to Gopai. ~® /lj \j ~
t of 50 = 10 (fj' fJlG 0 ffi
Then she gave t of those still left to Penny. C¥. (ffif
How many sweets does Jessica still have? @b V . 19
t of 10 = 2
t of 100 = 20
~ OJ
1
"4 of 24 = 6 a 60 b 30 c 15 d 45 e 20 f 1 2 g 1 0 h 6 q am, 4 pm a 12 noon b 4 pm
1 c 3pm
"3 of 27 = q
t ' of 50 = 25
1 Practical: drawing lines and dividing them into
5 of 40 = 8
equal parts to show all the fractions from t to a 12°C b 5°C c qoC a 11 am and 12 noon a 4°C
1
6" of 24 = 4 1
10' b 10 am and 12 noon
1
8 of 8 = 1 c 2 pm and 3 pm
Challenge
(0 of qO = q d 2 pm and 4 pm
1 Jessica still had q sweets. e q am and 1 pm
"7 of 14 = 2