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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 507 · 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 1 square and 2 pentagons have altogether? (a) 13 (b) 14 (c) 4 (d) 10
  2. 2.How many corners do 2 pentagons and 5 squares have altogether? (a) 33 (b) 30 (c) 20 (d) 10
  3. 3.How many faces do 4 cubes have altogether? (a) 32 (b) 6 (c) 48 (d) 24
  4. 4.How many corners do 2 squares and 1 triangle have altogether? (a) 11 (b) 8 (c) 3 (d) 10
  5. 5.How many edges do 5 cubes have altogether? (a) 12 (b) 40 (c) 30 (d) 60
  6. 6.How many corners do 2 cubes have altogether? (a) 8 (b) 24 (c) 12 (d) 16
  7. 7.How many faces do 2 cubes have altogether? (a) 16 (b) 6 (c) 24 (d) 12
  8. 8.How many corners do 5 rectangles and 5 pentagons have altogether? (a) 10 (b) 20 (c) 25 (d) 45
  9. 9.How many sides do 3 octagons and 1 square have altogether? (a) 28 (b) 4 (c) 20 (d) 24
  10. 10.How many edges do 4 cubes have altogether? (a) 12 (b) 32 (c) 48 (d) 24
  11. 11.How many edges do 2 cubes have altogether? (a) 16 (b) 25 (c) 12 (d) 24
  12. 12.How many corners do 1 square and 1 pentagon have altogether? (a) 5 (b) 2 (c) 9 (d) 4
  13. 13.How many sides do 1 square and 3 hexagons have altogether? (a) 4 (b) 18 (c) 23 (d) 22
  14. 14.How many sides do 5 octagons and 1 triangle have altogether? (a) 40 (b) 3 (c) 23 (d) 43
  15. 15.How many corners do 2 pentagons and 1 triangle have altogether? (a) 11 (b) 10 (c) 3 (d) 13
  16. 16.How many corners do 1 octagon and 3 hexagons have altogether? (a) 18 (b) 8 (c) 30 (d) 26
  17. 17.How many corners do 2 pentagons and 2 triangles have altogether? (a) 4 (b) 10 (c) 16 (d) 6
  18. 18.How many sides do 3 pentagons and 1 square have altogether? (a) 4 (b) 15 (c) 17 (d) 19
  19. 19.How many edges do 3 cubes have altogether? (a) 36 (b) 18 (c) 24 (d) 12
  20. 20.How many corners do 5 triangles and 1 pentagon have altogether? (a) 5 (b) 15 (c) 20 (d) 28
  21. 21.How many sides do 4 squares and 1 octagon have altogether? (a) 8 (b) 24 (c) 16 (d) 36
  22. 22.How many sides do 1 triangle and 1 square have altogether? (a) 2 (b) 3 (c) 7 (d) 4
  23. 23.How many sides do 3 squares and 1 pentagon have altogether? (a) 19 (b) 17 (c) 12 (d) 5
  24. 24.How many sides do 1 triangle and 2 squares have altogether? (a) 11 (b) 10 (c) 8 (d) 3
  25. 25.How many sides do 2 rectangles and 3 squares have altogether? (a) 5 (b) 8 (c) 12 (d) 20
  26. 26.How many sides do 1 pentagon and 5 triangles have altogether? (a) 15 (b) 5 (c) 20 (d) 28
  27. 27.How many sides do 1 square and 1 hexagon have altogether? (a) 6 (b) 4 (c) 10 (d) 2
  28. 28.How many sides do 3 octagons and 5 hexagons have altogether? (a) 24 (b) 54 (c) 58 (d) 30
  29. 29.How many faces do 3 cubes have altogether? (a) 24 (b) 18 (c) 6 (d) 36
  30. 30.How many sides do 5 hexagons and 5 rectangles have altogether? (a) 30 (b) 20 (c) 50 (d) 10
  31. 31.How many sides do 1 triangle and 1 rectangle have altogether? (a) 7 (b) 3 (c) 2 (d) 4
  32. 32.How many corners do 1 rectangle and 2 triangles have altogether? (a) 6 (b) 4 (c) 11 (d) 10
  33. 33.How many sides do 4 rectangles and 3 octagons have altogether? (a) 16 (b) 40 (c) 24 (d) 44
  34. 34.How many sides do 4 triangles and 3 pentagons have altogether? (a) 29 (b) 12 (c) 27 (d) 15
  35. 35.How many sides do 5 hexagons and 3 rectangles have altogether? (a) 38 (b) 12 (c) 42 (d) 30
  36. 36.How many corners do 5 pentagons and 4 squares have altogether? (a) 41 (b) 16 (c) 25 (d) 40
  37. 37.How many corners do 2 hexagons and 3 squares have altogether? (a) 5 (b) 24 (c) 12 (d) 26
  38. 38.How many sides do 5 pentagons and 1 triangle have altogether? (a) 28 (b) 20 (c) 25 (d) 3
  39. 39.How many sides do 5 pentagons and 4 octagons have altogether? (a) 60 (b) 57 (c) 32 (d) 25
  40. 40.How many sides do 3 hexagons and 5 rectangles have altogether? (a) 38 (b) 42 (c) 20 (d) 18

Answer key

  1. 14
  2. 30
  3. 24
  4. 11
  5. 60
  6. 16
  7. 12
  8. 45
  9. 28
  10. 48
  11. 24
  12. 9
  13. 22
  14. 43
  15. 13
  16. 26
  17. 16
  18. 19
  19. 36
  20. 20
  21. 24
  22. 7
  23. 17
  24. 11
  25. 20
  26. 20
  27. 10
  28. 54
  29. 18
  30. 50
  31. 7
  32. 10
  33. 40
  34. 27
  35. 42
  36. 41
  37. 24
  38. 28
  39. 57
  40. 38

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