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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 85 · 40 questions
TalentJR

How to solve it (Know the shape numbers): Sides: triangle 3, square and rectangle 4, pentagon 5, hexagon 6, octagon 8. A flat shape has as many corners as sides. Several of one shape: multiply (3 triangles → 3 × 3 = 9 sides). Two kinds of shape: work each out, then add. A cube has 6 faces, 12 edges and 8 corners.

NameDateTime takenScore ___ / 40
  1. 1.How many sides do 2 squares and 2 octagons have altogether? (a) 4 (b) 24 (c) 16 (d) 8
  2. 2.How many edges do 4 cubes have altogether? (a) 32 (b) 24 (c) 12 (d) 48
  3. 3.How many sides do 1 pentagon and 3 octagons have altogether? (a) 23 (b) 24 (c) 29 (d) 5
  4. 4.How many corners do 5 triangles and 1 hexagon have altogether? (a) 21 (b) 6 (c) 15 (d) 33
  5. 5.How many corners do 2 triangles and 3 rectangles have altogether? (a) 6 (b) 17 (c) 18 (d) 12
  6. 6.How many sides do 5 rectangles and 4 pentagons have altogether? (a) 40 (b) 9 (c) 41 (d) 20
  7. 7.How many corners do 5 rectangles and 4 octagons have altogether? (a) 52 (b) 20 (c) 32 (d) 56
  8. 8.How many corners do 3 squares and 3 hexagons have altogether? (a) 12 (b) 18 (c) 6 (d) 30
  9. 9.How many sides do 1 square and 2 pentagons have altogether? (a) 14 (b) 4 (c) 10 (d) 13
  10. 10.How many corners do 2 cubes have altogether? (a) 12 (b) 8 (c) 16 (d) 24
  11. 11.How many corners do 4 rectangles and 1 hexagon have altogether? (a) 28 (b) 16 (c) 22 (d) 6
  12. 12.How many edges do 3 cubes have altogether? (a) 18 (b) 12 (c) 24 (d) 36
  13. 13.How many corners do 5 triangles and 5 squares have altogether? (a) 20 (b) 35 (c) 15 (d) 10
  14. 14.How many corners do 5 squares and 4 rectangles have altogether? (a) 16 (b) 9 (c) 20 (d) 36
  15. 15.How many sides do 2 triangles and 4 squares have altogether? (a) 16 (b) 22 (c) 6 (d) 20
  16. 16.How many sides do 3 rectangles and 1 square have altogether? (a) 16 (b) 17 (c) 4 (d) 12
  17. 17.How many corners do 2 pentagons and 2 hexagons have altogether? (a) 22 (b) 4 (c) 12 (d) 10
  18. 18.How many edges do 2 cubes have altogether? (a) 12 (b) 16 (c) 25 (d) 24
  19. 19.How many sides do 5 pentagons and 4 octagons have altogether? (a) 57 (b) 32 (c) 60 (d) 25
  20. 20.How many corners do 4 cubes have altogether? (a) 8 (b) 24 (c) 32 (d) 48
  21. 21.How many corners do 4 octagons and 5 hexagons have altogether? (a) 64 (b) 32 (c) 62 (d) 30
  22. 22.How many faces do 2 cubes have altogether? (a) 12 (b) 6 (c) 16 (d) 24
  23. 23.How many sides do 5 octagons and 2 rectangles have altogether? (a) 8 (b) 36 (c) 40 (d) 48
  24. 24.How many sides do 4 octagons and 5 triangles have altogether? (a) 47 (b) 52 (c) 15 (d) 32
  25. 25.How many faces do 5 cubes have altogether? (a) 6 (b) 30 (c) 40 (d) 60
  26. 26.How many sides do 4 triangles and 1 rectangle have altogether? (a) 19 (b) 16 (c) 12 (d) 4
  27. 27.How many sides do 3 squares and 1 hexagon have altogether? (a) 6 (b) 22 (c) 12 (d) 18
  28. 28.How many sides do 1 octagon and 1 hexagon have altogether? (a) 14 (b) 8 (c) 6 (d) 2
  29. 29.How many edges do 5 cubes have altogether? (a) 40 (b) 12 (c) 30 (d) 60
  30. 30.How many sides do 4 octagons and 3 pentagons have altogether? (a) 47 (b) 32 (c) 15 (d) 44
  31. 31.How many faces do 4 cubes have altogether? (a) 6 (b) 48 (c) 24 (d) 32
  32. 32.How many corners do 1 square and 3 triangles have altogether? (a) 13 (b) 9 (c) 4 (d) 15
  33. 33.How many sides do 5 rectangles and 5 pentagons have altogether? (a) 10 (b) 25 (c) 20 (d) 45
  34. 34.How many sides do 3 squares and 4 rectangles have altogether? (a) 12 (b) 7 (c) 16 (d) 28
  35. 35.How many corners do 3 hexagons and 1 triangle have altogether? (a) 15 (b) 18 (c) 3 (d) 21
  36. 36.How many corners do 1 pentagon and 5 hexagons have altogether? (a) 31 (b) 5 (c) 35 (d) 30
  37. 37.How many sides do 5 triangles and 3 squares have altogether? (a) 12 (b) 15 (c) 27 (d) 29
  38. 38.How many sides do 1 hexagon and 4 rectangles have altogether? (a) 28 (b) 6 (c) 16 (d) 22
  39. 39.How many sides do 4 octagons and 2 triangles have altogether? (a) 38 (b) 6 (c) 28 (d) 32
  40. 40.How many sides do 4 squares and 4 octagons have altogether? (a) 16 (b) 32 (c) 48 (d) 8

Answer key

  1. 24
  2. 48
  3. 29
  4. 21
  5. 18
  6. 40
  7. 52
  8. 30
  9. 14
  10. 16
  11. 22
  12. 36
  13. 35
  14. 36
  15. 22
  16. 16
  17. 22
  18. 24
  19. 57
  20. 32
  21. 62
  22. 12
  23. 48
  24. 47
  25. 30
  26. 16
  27. 18
  28. 14
  29. 60
  30. 47
  31. 24
  32. 13
  33. 45
  34. 28
  35. 21
  36. 35
  37. 27
  38. 22
  39. 38
  40. 48

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