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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 172 · 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 3 octagons and 5 pentagons have altogether? (a) 25 (b) 49 (c) 55 (d) 24
  2. 2.How many edges do 5 cubes have altogether? (a) 60 (b) 40 (c) 12 (d) 30
  3. 3.How many faces do 2 cubes have altogether? (a) 12 (b) 16 (c) 6 (d) 24
  4. 4.How many corners do 5 pentagons and 3 triangles have altogether? (a) 30 (b) 25 (c) 9 (d) 34
  5. 5.How many edges do 2 cubes have altogether? (a) 16 (b) 25 (c) 12 (d) 24
  6. 6.How many sides do 2 triangles and 5 octagons have altogether? (a) 40 (b) 31 (c) 6 (d) 46
  7. 7.How many corners do 5 triangles and 4 squares have altogether? (a) 32 (b) 15 (c) 31 (d) 16
  8. 8.How many sides do 3 triangles and 2 squares have altogether? (a) 18 (b) 8 (c) 17 (d) 9
  9. 9.How many sides do 2 squares and 1 triangle have altogether? (a) 10 (b) 8 (c) 3 (d) 11
  10. 10.How many corners do 2 hexagons and 1 octagon have altogether? (a) 8 (b) 12 (c) 22 (d) 20
  11. 11.How many sides do 1 square and 1 hexagon have altogether? (a) 6 (b) 4 (c) 10 (d) 2
  12. 12.How many sides do 3 octagons and 1 rectangle have altogether? (a) 4 (b) 28 (c) 20 (d) 24
  13. 13.How many faces do 3 cubes have altogether? (a) 36 (b) 6 (c) 18 (d) 24
  14. 14.How many corners do 5 triangles and 1 square have altogether? (a) 23 (b) 19 (c) 4 (d) 15
  15. 15.How many sides do 3 pentagons and 1 octagon have altogether? (a) 8 (b) 15 (c) 23 (d) 29
  16. 16.How many sides do 2 squares and 4 rectangles have altogether? (a) 6 (b) 8 (c) 24 (d) 16
  17. 17.How many sides do 2 hexagons and 2 triangles have altogether? (a) 6 (b) 18 (c) 4 (d) 12
  18. 18.How many corners do 5 rectangles and 2 octagons have altogether? (a) 36 (b) 20 (c) 16 (d) 48
  19. 19.How many sides do 3 hexagons and 1 pentagon have altogether? (a) 21 (b) 18 (c) 23 (d) 5
  20. 20.How many corners do 4 triangles and 1 hexagon have altogether? (a) 18 (b) 27 (c) 6 (d) 12
  21. 21.How many sides do 4 hexagons and 5 octagons have altogether? (a) 62 (b) 24 (c) 40 (d) 64
  22. 22.How many corners do 1 rectangle and 4 triangles have altogether? (a) 12 (b) 16 (c) 4 (d) 19
  23. 23.How many sides do 5 triangles and 1 rectangle have altogether? (a) 23 (b) 15 (c) 4 (d) 19
  24. 24.How many sides do 5 octagons and 4 pentagons have altogether? (a) 60 (b) 40 (c) 20 (d) 57
  25. 25.How many corners do 4 triangles and 5 pentagons have altogether? (a) 35 (b) 37 (c) 25 (d) 12
  26. 26.How many edges do 4 cubes have altogether? (a) 32 (b) 24 (c) 48 (d) 12
  27. 27.How many sides do 1 hexagon and 1 triangle have altogether? (a) 3 (b) 9 (c) 6 (d) 2
  28. 28.How many sides do 4 rectangles and 3 octagons have altogether? (a) 24 (b) 16 (c) 40 (d) 44
  29. 29.How many sides do 5 octagons and 1 square have altogether? (a) 28 (b) 4 (c) 44 (d) 40
  30. 30.How many sides do 1 octagon and 2 rectangles have altogether? (a) 16 (b) 3 (c) 8 (d) 20
  31. 31.How many sides do 2 rectangles and 2 octagons have altogether? (a) 16 (b) 4 (c) 24 (d) 8
  32. 32.How many corners do 3 rectangles and 5 octagons have altogether? (a) 40 (b) 12 (c) 52 (d) 44
  33. 33.How many corners do 1 rectangle and 2 squares have altogether? (a) 8 (b) 3 (c) 4 (d) 12
  34. 34.How many corners do 2 triangles and 3 rectangles have altogether? (a) 12 (b) 18 (c) 17 (d) 6
  35. 35.How many corners do 2 octagons and 1 square have altogether? (a) 3 (b) 20 (c) 16 (d) 4
  36. 36.How many sides do 4 octagons and 1 hexagon have altogether? (a) 5 (b) 32 (c) 38 (d) 6
  37. 37.How many corners do 5 triangles and 1 rectangle have altogether? (a) 19 (b) 23 (c) 15 (d) 4
  38. 38.How many corners do 3 octagons and 1 pentagon have altogether? (a) 23 (b) 24 (c) 29 (d) 5
  39. 39.How many corners do 3 squares and 1 pentagon have altogether? (a) 17 (b) 19 (c) 5 (d) 12
  40. 40.How many corners do 4 squares and 5 pentagons have altogether? (a) 40 (b) 41 (c) 25 (d) 16

Answer key

  1. 49
  2. 60
  3. 12
  4. 34
  5. 24
  6. 46
  7. 31
  8. 17
  9. 11
  10. 20
  11. 10
  12. 28
  13. 18
  14. 19
  15. 23
  16. 24
  17. 18
  18. 36
  19. 23
  20. 18
  21. 64
  22. 16
  23. 19
  24. 60
  25. 37
  26. 48
  27. 9
  28. 40
  29. 44
  30. 16
  31. 24
  32. 52
  33. 12
  34. 18
  35. 20
  36. 38
  37. 19
  38. 29
  39. 17
  40. 41

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