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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 94 · 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.

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  1. 1.How many sides do 2 hexagons and 5 squares have altogether? (a) 12 (b) 32 (c) 20 (d) 38
  2. 2.How many corners do 4 hexagons and 4 rectangles have altogether? (a) 40 (b) 24 (c) 8 (d) 16
  3. 3.How many edges do 5 cubes have altogether? (a) 60 (b) 12 (c) 40 (d) 30
  4. 4.How many sides do 1 pentagon and 2 rectangles have altogether? (a) 8 (b) 13 (c) 5 (d) 14
  5. 5.How many corners do 1 octagon and 2 squares have altogether? (a) 20 (b) 16 (c) 3 (d) 8
  6. 6.How many sides do 5 rectangles and 2 pentagons have altogether? (a) 33 (b) 10 (c) 20 (d) 30
  7. 7.How many sides do 1 triangle and 1 octagon have altogether? (a) 2 (b) 11 (c) 8 (d) 3
  8. 8.How many faces do 4 cubes have altogether? (a) 32 (b) 6 (c) 24 (d) 48
  9. 9.How many sides do 2 hexagons and 5 octagons have altogether? (a) 12 (b) 46 (c) 40 (d) 52
  10. 10.How many sides do 2 pentagons and 3 octagons have altogether? (a) 31 (b) 34 (c) 24 (d) 10
  11. 11.How many corners do 3 cubes have altogether? (a) 18 (b) 8 (c) 24 (d) 36
  12. 12.How many corners do 1 pentagon and 2 hexagons have altogether? (a) 5 (b) 12 (c) 16 (d) 17
  13. 13.How many sides do 1 octagon and 1 triangle have altogether? (a) 8 (b) 2 (c) 3 (d) 11
  14. 14.How many edges do 4 cubes have altogether? (a) 12 (b) 32 (c) 24 (d) 48
  15. 15.How many sides do 3 rectangles and 5 triangles have altogether? (a) 15 (b) 12 (c) 27 (d) 29
  16. 16.How many corners do 4 squares and 2 octagons have altogether? (a) 32 (b) 40 (c) 6 (d) 16
  17. 17.How many corners do 5 hexagons and 2 octagons have altogether? (a) 46 (b) 52 (c) 16 (d) 30
  18. 18.How many corners do 2 hexagons and 1 triangle have altogether? (a) 16 (b) 3 (c) 12 (d) 15
  19. 19.How many sides do 2 octagons and 3 rectangles have altogether? (a) 12 (b) 32 (c) 16 (d) 28
  20. 20.How many corners do 2 cubes have altogether? (a) 24 (b) 16 (c) 12 (d) 8
  21. 21.How many sides do 4 octagons and 4 rectangles have altogether? (a) 32 (b) 8 (c) 16 (d) 48
  22. 22.How many sides do 2 triangles and 5 octagons have altogether? (a) 46 (b) 6 (c) 31 (d) 40
  23. 23.How many corners do 4 rectangles and 5 pentagons have altogether? (a) 40 (b) 16 (c) 25 (d) 41
  24. 24.How many corners do 5 octagons and 3 rectangles have altogether? (a) 52 (b) 44 (c) 40 (d) 12
  25. 25.How many corners do 1 triangle and 3 squares have altogether? (a) 15 (b) 12 (c) 3 (d) 13
  26. 26.How many edges do 2 cubes have altogether? (a) 12 (b) 16 (c) 25 (d) 24
  27. 27.How many sides do 5 rectangles and 5 octagons have altogether? (a) 40 (b) 20 (c) 10 (d) 60
  28. 28.How many corners do 2 hexagons and 1 square have altogether? (a) 16 (b) 14 (c) 4 (d) 12
  29. 29.How many sides do 5 squares and 2 pentagons have altogether? (a) 30 (b) 20 (c) 10 (d) 33
  30. 30.How many sides do 3 pentagons and 3 squares have altogether? (a) 27 (b) 6 (c) 15 (d) 12
  31. 31.How many faces do 2 cubes have altogether? (a) 16 (b) 24 (c) 6 (d) 12
  32. 32.How many sides do 5 pentagons and 4 squares have altogether? (a) 25 (b) 16 (c) 40 (d) 41
  33. 33.How many corners do 1 octagon and 5 triangles have altogether? (a) 15 (b) 8 (c) 43 (d) 23
  34. 34.How many corners do 5 cubes have altogether? (a) 8 (b) 60 (c) 40 (d) 30
  35. 35.How many sides do 3 pentagons and 5 squares have altogether? (a) 20 (b) 15 (c) 35 (d) 37
  36. 36.How many sides do 3 triangles and 2 hexagons have altogether? (a) 21 (b) 24 (c) 9 (d) 12
  37. 37.How many corners do 2 rectangles and 2 squares have altogether? (a) 8 (b) 17 (c) 16 (d) 4
  38. 38.How many sides do 1 triangle and 5 hexagons have altogether? (a) 30 (b) 21 (c) 33 (d) 3
  39. 39.How many sides do 2 pentagons and 5 triangles have altogether? (a) 15 (b) 31 (c) 25 (d) 10
  40. 40.How many corners do 3 hexagons and 5 squares have altogether? (a) 18 (b) 42 (c) 20 (d) 38

Answer key

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

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