1DA ring is removed around the central dot each step.
2BEach step: mirror left–right.
3DThe shape gains one side each step.
4AThe shading alternates between vertical stripes and horizontal stripes each step.
5BThe shape loses one side each step.
6EThe shading repeats in a 3-step cycle (diagonal stripes → vertical stripes → white).
7DOne more line crosses the stem each step.
8CEach step: rotate 90° clockwise, then reverse the shading.
9DThe shading alternates between vertical stripes and horizontal stripes each step.
10AEach step: rotate 90° anticlockwise.
11DEach step: rotate 90° clockwise, then reverse the shading.
12AThe shading alternates between vertical stripes and horizontal stripes each step.
13DEach step: rotate 90° clockwise.
14EOne more triangle joins the chain each step.
15AEach step: rotate 90° anticlockwise, then reverse the shading.
16ETwo independent rules: the corners stay the same; the centre changes to the next shape in the cycle (circle→square→diamond→triangle→circle).
17CThe dot moves one position clockwise each step.
18EThe shading repeats in a 3-step cycle (white → vertical stripes → horizontal stripes).
19CThe arrows turn a quarter turn anticlockwise each step.
20AEach step: rotate 90° clockwise, then reverse the shading.
21DThe shading of every mark is reversed.
22AEach shape: rotate 180°, then reverse the shading.
23BThe shading of every mark is reversed.
24AEach shape: the dot turns 90 clockwise°.
25ATwo dots are added inside the shape.
26CEach shape: the dot turns 180°.
27EEach shape: rotate 180°, then reverse the shading.
28BThe shading is reversed.
29DEach shape: rotate 90° anticlockwise, then reverse the shading.
30BThe shape turns solid black.
31BEach shape: rotate 90° clockwise, then reverse the shading.
32COne bar is removed at the foot.
33EThe shape turns hatched.
34DOne dot is removed from the shape.
35EThe shading is reversed.
36EOne bar is removed at the foot.
37CThe shape grows larger.
38BTwo independent rules: the corners mirror left–right; the centre reverses shading.
39ETwo independent rules: the corners rotate 90° anticlockwise; the centre stays the same.
40DThe shading is reversed.
41BEach figure has 1 line crossing the stem.
42DBoth shapes have 6 sides.
43CEach shape has 6 corners.
44DEach shape contains 3 smaller shapes.
45EEach shape contains a small black dot.
46BAll the shapes have the same shading.
47EEach shape contains 3 smaller shapes.
48AEach shape contains a small black dot.
49EEach shape contains 2 smaller shapes.
50AEach shape contains a small black dot.
51BAll the shapes have the same shading.
52EEach figure has 1 line crossing the stem.
53BEach shape has a solid mark in the middle.
54EEach figure has 1 bar at the foot.
55CEach figure joins 4 shapes in a ring.
56BEach figure has 3 dots.
57DEach figure joins 4 shapes in a ring.
58CEach figure has 2 bars at the foot.
59DEach shape contains a small black dot.
60BEach shape contains 3 smaller shapes.
61CTop letter = shape on top, bottom letter = bars at the foot.
62CTop letter = how many dots, bottom letter = shading of the dots.
63CTop letter = the leaf shading, bottom letter = which way the leaf points.
64ATop letter = how many joined shapes, bottom letter = shape at each join.
65BTop letter = shading, bottom letter = shape type.
66CTop letter = whether a corner points inwards, bottom letter = number of corners.
67BTop letter = frame, bottom letter = centre shape.
68ETop letter = frame, bottom letter = centre shape.
69CTop letter = frame, bottom letter = centre shape.
70BTop letter = frame, bottom letter = centre shape.
71BTop letter = shading, bottom letter = whether a corner points inwards.
72ETop letter = shape on top, middle letter = its shading, bottom letter = bars at the foot.
73CTop letter = the leaf shading, bottom letter = which way the leaf points.
74BTop letter = shape, middle letter = shading, bottom letter = size.
75ATop letter = position of the black part, bottom letter = how much is black.
76CTop letter = number of corners, bottom letter = whether a corner points inwards.
77ETop letter = which corner holds the mark, bottom letter = the mark.
78DTop letter = number of corners, middle letter = shading, bottom letter = whether a corner points inwards.
79CTop letter = size of the dots, bottom letter = how many dots.
80ETop letter = number of corners, bottom letter = whether a corner points inwards.