Page 120 - steps 3b.pdf

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

DRM36 DRM53
a white; red; brown 1 - 7 Cuboid A has a volume of 24 cubic centimetres.
b white; light green; dark green Cuboid B has a volume of 36 cubic centimetres.
c white; red; dark green Cuboid C has a volume of 48 cubic centimetres.
Cuboid D has a volume of 60 cubic centimetres.
DRM37
8 Open
2 Open
I[? [? [? ~ DRM54
[?[?[? : Open

[?[?[? ~RMO
.. . .... .. CJ

DRMs 38, 3Q, 40
Open
DRM 41
Hexagon: I way: (8, 5) should be (4, 5) t/
Square: (6, 0) should be (6, I)
0
DRM42
2 (2, I) (2,3)( 8, I)
3 (1,2) (I, 6) (4, 2) (J
4 (2, 2) (2, 6) (8, 2)

DRM56
DRMs 43,44
Open
Open
DRM57
DRM45
1
1 14 square centimetres
2 Open
DRM46
Open
DRM 47
Answers will vary according to accuracy of scales
DRM48
2 a 50g; 20g; 20g 2,3 Open
b 20g; 20g
c 20g;20g;20g;20g DRM58
d 50g; 50g or 20g; 20g; 20g; 20g; 20g
3 a 20g
b Put a 50g weight in one pan and two 20g weights in the
other; or put a 50 9 weight in one pan and three 20g
weights in the other.

DRM4Q
1 £3·76 2,3,4 Open

DRM50
Open

DRM 51
2 no. of people coins given to coins left over
each person
2 £1
3 65p 5p
4 SOp
5 40p
6 33p 2p
7 28p 4p
(Children will show different combinations of coins.)

DRM52 r
T
Open
© HarperCollinsPublishers Ltd 1997 STEPS 3b Differentiation Pack 1