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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 371 · 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 edges do 5 cubes have altogether? (a) 12 (b) 40 (c) 60 (d) 30
  2. 2.How many corners do 5 squares and 2 rectangles have altogether? (a) 7 (b) 28 (c) 20 (d) 8
  3. 3.How many faces do 5 cubes have altogether? (a) 30 (b) 60 (c) 40 (d) 6
  4. 4.How many sides do 3 rectangles and 5 squares have altogether? (a) 32 (b) 8 (c) 20 (d) 12
  5. 5.How many corners do 5 cubes have altogether? (a) 8 (b) 40 (c) 60 (d) 30
  6. 6.How many corners do 3 cubes have altogether? (a) 24 (b) 36 (c) 18 (d) 8
  7. 7.How many corners do 4 cubes have altogether? (a) 24 (b) 32 (c) 8 (d) 48
  8. 8.How many sides do 1 triangle and 1 square have altogether? (a) 4 (b) 3 (c) 7 (d) 2
  9. 9.How many corners do 2 rectangles and 4 triangles have altogether? (a) 12 (b) 22 (c) 8 (d) 20
  10. 10.How many sides do 5 triangles and 4 octagons have altogether? (a) 32 (b) 15 (c) 47 (d) 52
  11. 11.How many sides do 4 squares and 1 triangle have altogether? (a) 19 (b) 16 (c) 3 (d) 5
  12. 12.How many sides do 3 hexagons and 2 rectangles have altogether? (a) 18 (b) 8 (c) 26 (d) 24
  13. 13.How many sides do 1 pentagon and 3 octagons have altogether? (a) 5 (b) 23 (c) 24 (d) 29
  14. 14.How many faces do 2 cubes have altogether? (a) 24 (b) 6 (c) 12 (d) 16
  15. 15.How many sides do 4 pentagons and 3 rectangles have altogether? (a) 12 (b) 20 (c) 32 (d) 31
  16. 16.How many corners do 2 triangles and 5 squares have altogether? (a) 23 (b) 6 (c) 26 (d) 20
  17. 17.How many corners do 3 octagons and 2 rectangles have altogether? (a) 28 (b) 24 (c) 8 (d) 32
  18. 18.How many corners do 4 octagons and 2 rectangles have altogether? (a) 40 (b) 8 (c) 6 (d) 32
  19. 19.How many sides do 1 rectangle and 2 triangles have altogether? (a) 11 (b) 4 (c) 6 (d) 10
  20. 20.How many sides do 5 triangles and 2 rectangles have altogether? (a) 15 (b) 26 (c) 8 (d) 23
  21. 21.How many sides do 5 rectangles and 1 octagon have altogether? (a) 20 (b) 8 (c) 28 (d) 44
  22. 22.How many corners do 2 rectangles and 5 triangles have altogether? (a) 15 (b) 8 (c) 23 (d) 26
  23. 23.How many sides do 3 octagons and 2 rectangles have altogether? (a) 24 (b) 28 (c) 8 (d) 32
  24. 24.How many edges do 4 cubes have altogether? (a) 12 (b) 24 (c) 48 (d) 32
  25. 25.How many sides do 2 octagons and 2 hexagons have altogether? (a) 28 (b) 4 (c) 16 (d) 12
  26. 26.How many corners do 1 pentagon and 2 squares have altogether? (a) 8 (b) 5 (c) 13 (d) 14
  27. 27.How many sides do 5 hexagons and 1 rectangle have altogether? (a) 30 (b) 26 (c) 4 (d) 34
  28. 28.How many sides do 2 triangles and 4 rectangles have altogether? (a) 20 (b) 22 (c) 16 (d) 6
  29. 29.How many corners do 5 pentagons and 3 octagons have altogether? (a) 24 (b) 25 (c) 55 (d) 49
  30. 30.How many sides do 4 rectangles and 5 triangles have altogether? (a) 16 (b) 31 (c) 15 (d) 32
  31. 31.How many sides do 3 squares and 2 triangles have altogether? (a) 17 (b) 12 (c) 18 (d) 6
  32. 32.How many sides do 5 hexagons and 1 square have altogether? (a) 26 (b) 34 (c) 4 (d) 30
  33. 33.How many sides do 4 pentagons and 5 rectangles have altogether? (a) 20 (b) 9 (c) 41 (d) 40
  34. 34.How many edges do 2 cubes have altogether? (a) 16 (b) 12 (c) 24 (d) 25
  35. 35.How many corners do 3 squares and 2 rectangles have altogether? (a) 20 (b) 12 (c) 5 (d) 8
  36. 36.How many sides do 5 triangles and 4 pentagons have altogether? (a) 15 (b) 37 (c) 20 (d) 35
  37. 37.How many corners do 1 triangle and 3 octagons have altogether? (a) 24 (b) 3 (c) 27 (d) 17
  38. 38.How many corners do 5 octagons and 3 hexagons have altogether? (a) 54 (b) 40 (c) 58 (d) 18
  39. 39.How many sides do 5 squares and 5 hexagons have altogether? (a) 20 (b) 50 (c) 10 (d) 30
  40. 40.How many faces do 4 cubes have altogether? (a) 32 (b) 6 (c) 24 (d) 48

Answer key

  1. 60
  2. 28
  3. 30
  4. 32
  5. 40
  6. 24
  7. 32
  8. 7
  9. 20
  10. 47
  11. 19
  12. 26
  13. 29
  14. 12
  15. 32
  16. 26
  17. 32
  18. 40
  19. 10
  20. 23
  21. 28
  22. 23
  23. 32
  24. 48
  25. 28
  26. 13
  27. 34
  28. 22
  29. 49
  30. 31
  31. 18
  32. 34
  33. 40
  34. 24
  35. 20
  36. 35
  37. 27
  38. 58
  39. 50
  40. 24

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