Page 61 - steps 3b.pdf

61

RESOURCE MASTER 107 RESOURCE MASTER 110 [§J RESOURCE MASTER 115 [g]
[!]-[g] [!] [g] When I divide an even [!] [g] approximate answer actual
answer
number by 2, the answer is a 64 - 2q 60 - 30 =: 30 35
Open: choose shapes, Actual Actual Length whole number. a 110 a 80 133 - 78 1.30 - SD "" So S5
predict then check the number number left over When I divide an odd b qO b 100 152 - 64 150 - fdJ ::=: Clo ~%'
conclusions. q 5 3cm c 60 c 40 101 - 86 100 - Clo -== 10 IS
2q Clo - 30 :::: tD
86 -
7 q 4cm number by 2, the answer is d 110 d 40 175 - 101 \ go - \00 -== 80 51
not a whole number; it ends
IL+-
8
1cm
00 11 10 3cm in ·5. e 160 78 - 64 ~D- W :;. 2D I tt-
q
f 150
175 - 78 I <gO - to ;: 100 q7
Open: predictions will vary. 8 8 4cm Iq7 - 101 2m - 100:::: \00 qb
The correct answers are 13 10 8cm RESOURCE MASTER 112 00
listed below: 't?G.. ~
12 [!] Open: mental subtraction of
hexagon 6 14 numbers upto 200. (1/3 a,b) 00
oblong 2 +2 +5 +10 a 100 b 40 c 30
semi-cricle 1 10 .. 5 10 .. 2 10" 1
quarter-circle 1 RESOURCE MASTER 111 6 .. 3 15 .. 3 qO" q RESOURCE MASTER 116 d 20 e 50 f 70
rhombus 2 20 " 10 35 .. 7 80" 8 Ito '10
pentagon 5 [!]-oo 8 .. 4 30 .. 6 30" 3 [!] RESOURCE MASTER 117
square 4 40+ 5 @ = 10> 10 8 2 .. 1 5 .. 1 70" 7 rounded off to the
14 .. 7 40 .. 8 20" 2 Open: solving problems
72 + 6 < 10 = 10@ 12 18 .. q 25 .. 5 60" 6 nearest lOis using 2-D shapes. (1/3 a,c)
RESOURCE MASTER 108 12 .. 6 50 " 10
qO + 1 0 @ = 1 0 > 1 0 q 50" 5 2q • 30 IT] Colour the flogs.
Practical: play the ()ame. 16 .. 8 45 .. q 40" 4 64 • 60 You must colour all the space in each nag.
56+ 8 0 = 10> 10 7 4 .. 2 20 .. 4 100 " 10 86 • qO a Use 8 colours.
COIOU~in8 ,triongl.S'
Challenge
50 + 5 < 10 ~> 10 10 152 • 150 ~
7
2
lOx 3, 6 x 5, 5 x 6 [g] 78 • 80 6 5 4 3
63 + q @ = 10> 10 7 133 • 130 ~.s
c Use 6 colours.
RESOURCE MASTER 10Q 76 + 4 < 10= 10@ 1 ~ ~ a 14 b q remainder 2 175 • 180 is]"'
7
2
101
• 100
70 + 7 <10~>10 10 c q P d q cards each. 1q7 • 200 6 5 4 3 III~
Practical: play the game. 3 cards left over.- d Use 5 colours. e Use 4 cok>urs.
q6+ 8 < 10= 100 12 tiMi ~.
42 + 7 0 = 10> 10 6 RESOURCE MASTER 113
fUse 3 colours. g Use 2 colours.
Practical: plc;:Jy the game. M~
~ JASii·
Open: halving numbers RESOURCE MASTER 114
between 50 and 100.
Practical: play the game.