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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 178 · 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 corners do 3 cubes have altogether? (a) 18 (b) 36 (c) 24 (d) 8
  2. 2.How many edges do 5 cubes have altogether? (a) 12 (b) 60 (c) 40 (d) 30
  3. 3.How many sides do 5 rectangles and 3 squares have altogether? (a) 20 (b) 32 (c) 12 (d) 8
  4. 4.How many faces do 4 cubes have altogether? (a) 48 (b) 32 (c) 24 (d) 6
  5. 5.How many corners do 5 cubes have altogether? (a) 30 (b) 60 (c) 8 (d) 40
  6. 6.How many sides do 1 square and 3 rectangles have altogether? (a) 17 (b) 4 (c) 12 (d) 16
  7. 7.How many corners do 4 octagons and 1 triangle have altogether? (a) 20 (b) 3 (c) 32 (d) 35
  8. 8.How many corners do 3 rectangles and 1 square have altogether? (a) 17 (b) 4 (c) 16 (d) 12
  9. 9.How many corners do 2 squares and 3 octagons have altogether? (a) 28 (b) 24 (c) 32 (d) 8
  10. 10.How many corners do 2 cubes have altogether? (a) 8 (b) 24 (c) 16 (d) 12
  11. 11.How many corners do 4 octagons and 2 rectangles have altogether? (a) 32 (b) 8 (c) 40 (d) 6
  12. 12.How many corners do 5 octagons and 3 hexagons have altogether? (a) 54 (b) 18 (c) 58 (d) 40
  13. 13.How many sides do 5 squares and 1 pentagon have altogether? (a) 20 (b) 29 (c) 25 (d) 5
  14. 14.How many sides do 3 rectangles and 2 pentagons have altogether? (a) 22 (b) 12 (c) 23 (d) 10
  15. 15.How many corners do 3 rectangles and 4 octagons have altogether? (a) 12 (b) 40 (c) 44 (d) 32
  16. 16.How many sides do 1 hexagon and 4 rectangles have altogether? (a) 6 (b) 16 (c) 22 (d) 28
  17. 17.How many sides do 2 rectangles and 3 octagons have altogether? (a) 8 (b) 32 (c) 28 (d) 24
  18. 18.How many corners do 4 pentagons and 3 triangles have altogether? (a) 29 (b) 20 (c) 9 (d) 27
  19. 19.How many corners do 1 square and 2 pentagons have altogether? (a) 10 (b) 14 (c) 13 (d) 4
  20. 20.How many edges do 2 cubes have altogether? (a) 25 (b) 16 (c) 12 (d) 24
  21. 21.How many sides do 1 hexagon and 5 squares have altogether? (a) 34 (b) 6 (c) 20 (d) 26
  22. 22.How many sides do 1 triangle and 5 octagons have altogether? (a) 23 (b) 43 (c) 40 (d) 3
  23. 23.How many sides do 4 rectangles and 4 hexagons have altogether? (a) 16 (b) 24 (c) 40 (d) 8
  24. 24.How many corners do 2 hexagons and 5 triangles have altogether? (a) 27 (b) 36 (c) 12 (d) 15
  25. 25.How many sides do 4 squares and 1 octagon have altogether? (a) 16 (b) 36 (c) 8 (d) 24
  26. 26.How many faces do 3 cubes have altogether? (a) 18 (b) 6 (c) 24 (d) 36
  27. 27.How many sides do 4 octagons and 3 squares have altogether? (a) 32 (b) 40 (c) 12 (d) 44
  28. 28.How many corners do 5 octagons and 3 rectangles have altogether? (a) 40 (b) 12 (c) 52 (d) 44
  29. 29.How many sides do 1 triangle and 2 hexagons have altogether? (a) 3 (b) 12 (c) 16 (d) 15
  30. 30.How many sides do 3 octagons and 1 triangle have altogether? (a) 27 (b) 3 (c) 17 (d) 24
  31. 31.How many edges do 3 cubes have altogether? (a) 36 (b) 12 (c) 24 (d) 18
  32. 32.How many faces do 5 cubes have altogether? (a) 30 (b) 60 (c) 6 (d) 40
  33. 33.How many corners do 1 hexagon and 1 triangle have altogether? (a) 3 (b) 6 (c) 9 (d) 2
  34. 34.How many corners do 4 cubes have altogether? (a) 24 (b) 8 (c) 32 (d) 48
  35. 35.How many sides do 4 rectangles and 2 octagons have altogether? (a) 6 (b) 32 (c) 40 (d) 16
  36. 36.How many corners do 2 triangles and 3 squares have altogether? (a) 17 (b) 6 (c) 12 (d) 18
  37. 37.How many sides do 1 octagon and 2 squares have altogether? (a) 8 (b) 16 (c) 3 (d) 20
  38. 38.How many sides do 5 triangles and 5 pentagons have altogether? (a) 15 (b) 25 (c) 40 (d) 10
  39. 39.How many corners do 4 rectangles and 4 hexagons have altogether? (a) 8 (b) 16 (c) 40 (d) 24
  40. 40.How many corners do 1 hexagon and 5 octagons have altogether? (a) 6 (b) 46 (c) 40 (d) 38

Answer key

  1. 24
  2. 60
  3. 32
  4. 24
  5. 40
  6. 16
  7. 35
  8. 16
  9. 32
  10. 16
  11. 40
  12. 58
  13. 25
  14. 22
  15. 44
  16. 22
  17. 32
  18. 29
  19. 14
  20. 24
  21. 26
  22. 43
  23. 40
  24. 27
  25. 24
  26. 18
  27. 44
  28. 52
  29. 15
  30. 27
  31. 36
  32. 30
  33. 9
  34. 32
  35. 32
  36. 18
  37. 16
  38. 40
  39. 40
  40. 46

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