Odd One Out Worksheets, Questions and Revision

Question 1

0 marks

Choose an answerA) Square (4 sides), unshaded, thin solid black outline, sides horizontal and vertical.B) Regular pentagon (5 sides), unshaded, thin solid black outline, one vertex pointing straight up.C) Regular hexagon (6 sides), unshaded, thin solid black outline, one flat side at the bottom.D) Circle, unshaded, thin solid black outline; it has no straight sides and no vertices.E) Regular heptagon (7 sides), unshaded, thin solid black outline, one flat side at the bottom.

Question 2

1 mark

Choose an answerA) Equilateral triangle, apex pointing straight up, unshaded, thin solid black outline, medium size.B) Equilateral triangle, apex pointing straight up, unshaded, thin solid black outline, same medium size as A.C) Equilateral triangle, apex pointing straight up, unshaded, thin solid black outline, same medium size as A.D) Square, unshaded, thin solid black outline, sides horizontal and vertical, same overall width as the triangles.E) Equilateral triangle, apex pointing straight up, unshaded, thin solid black outline, same medium size as A.

Question 3

1 mark

Choose an answerA) Circle, unshaded, thin solid black outline.B) Square, unshaded, thin solid black outline.C) Triangle, apex pointing straight up, unshaded, thin solid black outline.D) Pentagon, unshaded, thin solid black outline.E) Hexagon, filled solid black (100% black fill).

Question 4

1 mark

Choose an answerA) Circle (unshaded outline) containing 3 small solid black dots arranged in a triangular pattern inside.B) Circle (unshaded outline) containing 3 small solid black dots arranged in a triangular pattern inside.C) Circle (unshaded outline) containing 3 small solid black dots arranged in a single horizontal row inside.D) Circle (unshaded outline) containing 4 small solid black dots arranged in a small square pattern inside.E) Circle (unshaded outline) containing 3 small solid black dots arranged in a triangular pattern inside.

Question 5

1 mark

Choose an answerA) Straight arrow with a vertical shaft and a triangular head at the top, pointing straight up.B) Straight arrow with a vertical shaft and a triangular head at the top, pointing straight up.C) Straight arrow with a vertical shaft and a triangular head at the top, pointing straight up.D) Straight arrow with a vertical shaft and a triangular head at the bottom, pointing straight down.E) Straight arrow with a vertical shaft and a triangular head at the top, pointing straight up.

Question 6

1 mark

Choose an answerA) Regular pentagon (5 sides), unshaded outline, one flat side at the bottom (0 degrees).B) Regular pentagon (5 sides), unshaded outline, rotated 20 degrees clockwise from the flat-bottom position.C) Regular pentagon (5 sides), unshaded outline, rotated 40 degrees clockwise from the flat-bottom position.D) Regular hexagon (6 sides), unshaded outline, one flat side at the bottom.E) Regular pentagon (5 sides), unshaded outline, rotated 10 degrees anticlockwise from the flat-bottom position.

Question 7

1 mark

Choose an answerA) Square, unshaded, thin solid black line outline.B) Square, unshaded, thin solid black line outline.C) Square, unshaded, evenly spaced dashed black line outline (a broken line rather than continuous).D) Square, unshaded, thin solid black line outline.E) Square, unshaded, thin solid black line outline.

Question 8

1 mark

Choose an answerA) Kite shape (a quadrilateral symmetric about a vertical line through its middle), unshaded outline; it has one vertical line of symmetry.B) Isosceles triangle, apex pointing straight up, unshaded outline; it has one vertical line of symmetry.C) Symmetric arrowhead shape pointing straight up, unshaded outline; it has one vertical line of symmetry.D) Irregular quadrilateral with four unequal side lengths and no matching angles, unshaded outline; it has no line of symmetry.E) Regular pentagon with one vertex pointing straight up, unshaded outline; it has a vertical line of symmetry.

Question 9

1 mark

Choose an answerA) Square outline (unshaded) with a centred, unshaded circle whose diameter equals one half of the square's side length.B) Square outline (unshaded) with a centred, unshaded circle whose diameter equals one half of the square's side length.C) Square outline (unshaded) with a centred, unshaded circle whose diameter equals one half of the square's side length.D) Square outline (unshaded) with a centred, unshaded circle whose diameter equals only one third of the square's side length, noticeably smaller than the others.E) Square outline (unshaded) with a centred, unshaded circle whose diameter equals one half of the square's side length.

Question 10

1 mark

Choose an answerA) Rectangle outline (unshaded) containing 3 small five-pointed stars, evenly spaced in a horizontal row.B) Rectangle outline (unshaded) containing 3 small five-pointed stars, evenly spaced in a horizontal row.C) Rectangle outline (unshaded) containing 2 small five-pointed stars, evenly spaced in a horizontal row.D) Rectangle outline (unshaded) containing 3 small five-pointed stars, evenly spaced in a horizontal row.E) Rectangle outline (unshaded) containing 3 small five-pointed stars, evenly spaced in a horizontal row.

Question 11

1 mark

Choose an answerA) A 'house' outline: a square base with a triangular roof on top (all straight sides), unshaded.B) A 'house' outline: a square base with a triangular roof on top, unshaded.C) A 'house' outline: a square base with a triangular roof on top, unshaded.D) A 'house' outline: a square base with a semicircular roof on top (the roof's top edge is a curve, not straight sides), unshaded.E) A 'house' outline: a square base with a triangular roof on top, unshaded.

Question 12

1 mark

Choose an answerA) Five-pointed star outline, unshaded, one point facing straight up.B) Five-pointed star outline, unshaded, one point facing straight up.C) Six-pointed star outline (two overlapping triangles forming a six-pointed shape), unshaded.D) Five-pointed star outline, unshaded, one point facing straight up.E) Five-pointed star outline, unshaded, one point facing straight up.

Question 13

1 mark

Choose an answerA) Square outline (unshaded) with a small solid black dot placed just outside the top-right corner.B) Square outline (unshaded) with a small solid black dot placed just outside the top-right corner.C) Square outline (unshaded) with a small solid black dot placed just outside the top-right corner.D) Square outline (unshaded) with a small solid black dot placed just outside the bottom-left corner.E) Square outline (unshaded) with a small solid black dot placed just outside the top-right corner.

Question 14

1 mark

Choose an answerA) Circle filled light grey (fine 45-degree diagonal hatching on a white background).B) Square filled light grey (fine 45-degree diagonal hatching).C) Triangle, apex pointing up, filled light grey (fine 45-degree diagonal hatching).D) Pentagon filled dark grey (cross-hatching: 45-degree and 135-degree lines overlaid).E) Hexagon filled light grey (fine 45-degree diagonal hatching).

Question 15

1 mark

Choose an answerA) Straight diagonal arrow: shaft rises from bottom-left to top-right at 45 degrees, triangular arrowhead at the top-right end.B) Straight diagonal arrow: shaft rises from bottom-left to top-right at 45 degrees, arrowhead at the top-right end.C) Straight diagonal arrow: shaft rises from bottom-left to top-right at 45 degrees, arrowhead at the top-right end.D) Straight diagonal arrow: shaft rises from bottom-right to top-left at 45 degrees (pointing to the top-left), arrowhead at the top-left end.E) Straight diagonal arrow: shaft rises from bottom-left to top-right at 45 degrees, arrowhead at the top-right end.

Question 16

1 mark

Choose an answerA) Target pattern of 3 concentric circles (shared centre, evenly spaced radii), unshaded outlines only.B) Target pattern of 3 concentric circles, unshaded outlines only.C) Target pattern of 2 concentric circles, unshaded outlines only.D) Target pattern of 3 concentric circles, unshaded outlines only.E) Target pattern of 3 concentric circles, unshaded outlines only.

Question 17

1 mark

Choose an answerA) Regular convex hexagon, unshaded outline, one flat side at the bottom.B) Regular convex hexagon, unshaded outline, one flat side at the bottom.C) Regular convex hexagon, unshaded outline, one flat side at the bottom.D) Hexagon with its top vertex pushed inward toward the centre, creating a concave notch (a dart/arrowhead-like outline), unshaded.E) Regular convex hexagon, unshaded outline, one flat side at the bottom.

Question 18

1 mark

Choose an answerA) Rectangle outline containing 4 evenly spaced vertical lines inside, dividing it into 5 equal strips.B) Rectangle outline containing 4 evenly spaced vertical lines inside, dividing it into 5 equal strips.C) Rectangle outline containing 5 evenly spaced vertical lines inside, dividing it into 6 equal strips.D) Rectangle outline containing 4 evenly spaced vertical lines inside, dividing it into 5 equal strips.E) Rectangle outline containing 4 evenly spaced vertical lines inside, dividing it into 5 equal strips.

Question 19

1 mark

Choose an answerA) Square outline with a semicircle attached to the outside of the top edge, curved side bulging upward (the semicircle's flat diameter lies along the top edge of the square).B) Square outline with a semicircle attached to the outside of the top edge, bulging upward.C) Square outline with a semicircle attached to the outside of the right edge, bulging rightward (the semicircle's flat diameter lies along the right edge of the square).D) Square outline with a semicircle attached to the outside of the top edge, bulging upward.E) Square outline with a semicircle attached to the outside of the top edge, bulging upward.

Question 20

1 mark

Choose an answerA) Square outline divided into a 2x2 grid of 4 equal smaller squares by one vertical and one horizontal line through the centre.B) Square outline divided into a 2x2 grid of 4 equal smaller squares by one vertical and one horizontal line through the centre.C) Square outline divided into a 2x2 grid of 4 equal smaller squares by one vertical and one horizontal line through the centre.D) Square outline divided into 4 equal triangles by both diagonals drawn corner to corner (forming an X through the centre).E) Square outline divided into a 2x2 grid of 4 equal smaller squares by one vertical and one horizontal line through the centre.

Question 21

1 mark

Choose an answerA) Right-angled triangle: right angle at the bottom-left vertex; the bottom (horizontal) leg is longer than the left (vertical) leg; the hypotenuse runs from the top of the vertical leg to the right end of the horizontal leg. Outline only, unshaded.B) Right-angled triangle: right angle at the top-left vertex; the longer leg is vertical, running down the left side; the shorter leg is horizontal, running along the top to the right; the hypotenuse joins the bottom of the vertical leg to the right end of the horizontal leg. Outline only, unshaded. (This is option A rotated 90 degrees clockwise.)C) Right-angled triangle: right angle at the top-right vertex; the longer leg is horizontal, running along the top to the left; the shorter leg is vertical, running down the right side; the hypotenuse joins the left end of the horizontal leg to the bottom of the vertical leg. Outline only, unshaded. (This is option A rotated 180 degrees.)D) Right-angled triangle: right angle at the bottom-right vertex; the longer leg is vertical, running up the right side; the shorter leg is horizontal, running along the bottom to the left; the hypotenuse joins the top of the vertical leg to the left end of the horizontal leg. Outline only, unshaded. (This is option A rotated 90 degrees anticlockwise.)E) Right-angled triangle: right angle at the bottom-right vertex; the longer leg is horizontal, running along the bottom to the left; the shorter leg is vertical, running up the right side; the hypotenuse joins the left end of the horizontal leg to the top of the vertical leg. Outline only, unshaded. (This is the mirror image of option A: it cannot be produced by rotating A, B, C or D, only by flipping.)

Question 22

1 mark

Choose an answerA) Circle divided into 6 equal sectors by straight lines through the centre; the 1st, 3rd and 5th sectors (counting clockwise from the top) are filled solid black, the other three are unshaded, giving an alternating shaded/unshaded pattern all the way round.B) Circle divided into 6 equal sectors; alternating shading pattern identical to option A (1st, 3rd and 5th sectors clockwise from the top filled solid black).C) Circle divided into 6 equal sectors; alternating shading pattern identical to option A.D) Circle divided into 6 equal sectors; the shading is NOT alternating: the 1st and 2nd sectors (adjacent, clockwise from the top) are both filled solid black, and the remaining four sectors are unshaded.E) Circle divided into 6 equal sectors; alternating shading pattern identical to option A.

Question 23

1 mark

Choose an answerA) A plus-sign (cross) shape made of 5 equal squares: one central square with one square attached to each of the four sides (up, down, left, right); all four arms are the same length. This shape has 4 lines of symmetry (vertical, horizontal and both diagonals).B) The same plus-sign shape, all four arms the same length, 4 lines of symmetry.C) The same plus-sign shape, all four arms the same length, 4 lines of symmetry.D) A plus-sign shape where the bottom arm is only half the length of the other three arms (the top, left and right arms are full length, unshaded outline); this reduces the shape to just 1 line of symmetry (vertical only).E) The same plus-sign shape as A, all four arms the same length, 4 lines of symmetry.

Question 24

1 mark

Choose an answerA) Outer square (unshaded outline) containing a smaller inner circle that is filled solid black.B) Outer circle (unshaded outline) containing a smaller inner square that is unshaded (outline only).C) Outer square (unshaded outline) containing a smaller inner circle that is filled solid black.D) Outer square (unshaded outline) containing a smaller inner circle that is unshaded (outline only), breaking the pairing followed elsewhere.E) Outer circle (unshaded outline) containing a smaller inner square that is unshaded (outline only).

Question 25

1 mark

Choose an answerA) Pentagon (5 sides), unshaded outline, containing 2 small solid black dots inside (5 minus 3 equals 2).B) Hexagon (6 sides), unshaded outline, containing 3 small solid black dots inside (6 minus 3 equals 3).C) Heptagon (7 sides), unshaded outline, containing 4 small solid black dots inside (7 minus 3 equals 4).D) Octagon (8 sides), unshaded outline, containing 5 small solid black dots inside (8 minus 3 equals 5).E) Hexagon (6 sides), unshaded outline, containing 4 small solid black dots inside (6 minus 3 equals 3, but this figure has 4 dots, breaking the pattern).

Odd One Out - Worksheets, Questions and Revision

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