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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 51 · 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 1 octagon have altogether? (a) 20 (b) 8 (c) 3 (d) 16
  2. 2.How many sides do 4 squares and 1 pentagon have altogether? (a) 16 (b) 21 (c) 24 (d) 5
  3. 3.How many sides do 5 pentagons and 4 octagons have altogether? (a) 60 (b) 32 (c) 57 (d) 25
  4. 4.How many sides do 4 rectangles and 4 octagons have altogether? (a) 32 (b) 48 (c) 16 (d) 8
  5. 5.How many sides do 2 octagons and 3 rectangles have altogether? (a) 16 (b) 12 (c) 32 (d) 28
  6. 6.How many corners do 1 hexagon and 2 squares have altogether? (a) 16 (b) 6 (c) 8 (d) 14
  7. 7.How many faces do 3 cubes have altogether? (a) 24 (b) 36 (c) 18 (d) 6
  8. 8.How many sides do 3 octagons and 4 pentagons have altogether? (a) 44 (b) 20 (c) 24 (d) 47
  9. 9.How many corners do 4 triangles and 1 square have altogether? (a) 19 (b) 4 (c) 12 (d) 16
  10. 10.How many corners do 1 rectangle and 4 hexagons have altogether? (a) 28 (b) 24 (c) 22 (d) 4
  11. 11.How many corners do 1 rectangle and 4 squares have altogether? (a) 5 (b) 16 (c) 20 (d) 4
  12. 12.How many corners do 4 pentagons and 3 hexagons have altogether? (a) 39 (b) 38 (c) 18 (d) 20
  13. 13.How many corners do 2 cubes have altogether? (a) 8 (b) 16 (c) 24 (d) 12
  14. 14.How many faces do 2 cubes have altogether? (a) 6 (b) 12 (c) 16 (d) 24
  15. 15.How many edges do 5 cubes have altogether? (a) 60 (b) 30 (c) 12 (d) 40
  16. 16.How many corners do 1 hexagon and 3 rectangles have altogether? (a) 22 (b) 12 (c) 18 (d) 6
  17. 17.How many corners do 3 rectangles and 5 hexagons have altogether? (a) 12 (b) 38 (c) 30 (d) 42
  18. 18.How many sides do 4 rectangles and 1 hexagon have altogether? (a) 6 (b) 16 (c) 28 (d) 22
  19. 19.How many corners do 5 triangles and 1 hexagon have altogether? (a) 21 (b) 33 (c) 6 (d) 15
  20. 20.How many corners do 4 triangles and 3 hexagons have altogether? (a) 18 (b) 30 (c) 33 (d) 12
  21. 21.How many corners do 3 rectangles and 1 octagon have altogether? (a) 12 (b) 28 (c) 20 (d) 8
  22. 22.How many sides do 1 triangle and 3 octagons have altogether? (a) 3 (b) 24 (c) 17 (d) 27
  23. 23.How many sides do 3 triangles and 1 hexagon have altogether? (a) 9 (b) 15 (c) 6 (d) 21
  24. 24.How many sides do 1 square and 2 hexagons have altogether? (a) 4 (b) 14 (c) 12 (d) 16
  25. 25.How many sides do 3 triangles and 4 octagons have altogether? (a) 9 (b) 41 (c) 32 (d) 36
  26. 26.How many corners do 3 octagons and 1 rectangle have altogether? (a) 24 (b) 20 (c) 4 (d) 28
  27. 27.How many edges do 3 cubes have altogether? (a) 24 (b) 18 (c) 12 (d) 36
  28. 28.How many sides do 5 octagons and 3 squares have altogether? (a) 12 (b) 44 (c) 40 (d) 52
  29. 29.How many corners do 5 squares and 4 rectangles have altogether? (a) 20 (b) 9 (c) 16 (d) 36
  30. 30.How many sides do 4 octagons and 5 hexagons have altogether? (a) 30 (b) 64 (c) 62 (d) 32
  31. 31.How many sides do 4 pentagons and 1 square have altogether? (a) 4 (b) 20 (c) 21 (d) 24
  32. 32.How many faces do 5 cubes have altogether? (a) 60 (b) 6 (c) 30 (d) 40
  33. 33.How many sides do 2 squares and 5 hexagons have altogether? (a) 8 (b) 30 (c) 32 (d) 38
  34. 34.How many sides do 5 octagons and 1 triangle have altogether? (a) 43 (b) 3 (c) 40 (d) 23
  35. 35.How many sides do 4 octagons and 3 triangles have altogether? (a) 36 (b) 9 (c) 32 (d) 41
  36. 36.How many sides do 5 squares and 3 hexagons have altogether? (a) 42 (b) 38 (c) 18 (d) 20
  37. 37.How many edges do 2 cubes have altogether? (a) 16 (b) 24 (c) 12 (d) 25
  38. 38.How many sides do 2 pentagons and 5 squares have altogether? (a) 30 (b) 33 (c) 20 (d) 10
  39. 39.How many sides do 3 hexagons and 2 pentagons have altogether? (a) 10 (b) 27 (c) 18 (d) 28
  40. 40.How many corners do 5 pentagons and 4 hexagons have altogether? (a) 49 (b) 50 (c) 24 (d) 25

Answer key

  1. 16
  2. 21
  3. 57
  4. 48
  5. 28
  6. 14
  7. 18
  8. 44
  9. 16
  10. 28
  11. 20
  12. 38
  13. 16
  14. 12
  15. 60
  16. 18
  17. 42
  18. 22
  19. 21
  20. 30
  21. 20
  22. 27
  23. 15
  24. 16
  25. 41
  26. 28
  27. 36
  28. 52
  29. 36
  30. 62
  31. 24
  32. 30
  33. 38
  34. 43
  35. 41
  36. 38
  37. 24
  38. 30
  39. 28
  40. 49

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