Page 119 - steps 3b.pdf

• Answers 3b • • • • • • • • • • • • • • • • • 2

DRM 12 DRM24
Open 52 + 8 = 6 r4
25 + 5 = 5
ADRM 13 18 + 4 = 4 r2
_1 q.oo
23 + 7 = 3 r2
12.20 51 + 2 = 25 rl
6.30 41 +5=8rl
2.55 36 + 5 = 7 rl
7.50 64 + 2 = 32
10.45 64 + 6 = 10 r4
Open
2 Open
DRMs 25, 26, 27, 28
DRM 14 Open
Open

DRM2Q
DRM 15
1 1440 2 10080 3 44640 3 a 768 + 2 = 770; 770 + 30 = 800; 800 + 200 = 1000
b 62q + 1 = 630; 630 + 70 = 700; 700 + 300 = 1000
4 No, because different months have different numbers of
c 461 + q = 470; 470 + 30 = 500; 500 + 500 = 1000
days.
d 533 + 7 = 540; 540 + 60 = 600; 600 + 400 = 1000
e 357 + 3 = 360; 360 + 40 = 400; 400 + 600 = 1000
DRM 16 f 172 + 8 = 180; 180 + 20 = 200; 200 + 800 = 1000
1 a 220 b 240 c 340 d 540 e 340 9 80q + 1 = 810; 810 + qO = qOO;qOO + 100 = 1000
f 300 9 360 h 410 i 410 j 550
h 2qq + 1 = 300; 300 + 700 =1000
e 2 260 + 270 = 530 i 101 + q = 110; 110 + qO = 200; 200 + 800 = 1000
DRM 17 DRM30
1 b 246 c 543 d 221 e 252 f 651 Game
9 183 h 51q i 572
DRM 31
2 I_than zao I VNClter than zao I 2 . is worth the same as .
100s lOs Is 100s lOs Is
131 + 46 = 77 417 + 126 = 543 1 0 0 100 0 10 0
103+118=221 386 + 265 = 651
1 3 0 130 0 13 0
82 + 101 = 183 230 + 28q = 51 q
2 5 0 250 0 25 0

2 4 0 240 0 24 0

q8 + 148 = 246 128 + 124 = 252 1 2 0 120 0 12 0
345 + 227 = 572 1 7 0 170 0 17 0
l eyen I
e 2 0 0 200 0 20 0

2 8 0 280 0 28 0

2 6 0 260 0 26 0
DRMs 18, lQ, 20
Open
2 7 0 270 0 27 0
DRM 21
1 a 38 b x 10-6 cx6+4
DRM32
26
1 b II' c K; 250 d K; 200 e II' f K;27 gil'
2 d 10 e +2-1 f x 10 + 5 h K; 80 i II' j K; qq k II' III'
8 7
3 Open DRM33
Open
DRM22
1 a 7 bll c4 d5 88 f3 g5 hl2 DRM34
1 a red b pink c white
DRM23 2 a light green bred c white
Open
e DRM35
Open

© HarperCollinsPublishers Ltd 1997 STEPS 4b Differentiation Pack