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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 186 · 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 faces do 4 cubes have altogether? (a) 32 (b) 24 (c) 48 (d) 6
  2. 2.How many faces do 2 cubes have altogether? (a) 12 (b) 24 (c) 6 (d) 16
  3. 3.How many sides do 2 hexagons and 1 pentagon have altogether? (a) 16 (b) 12 (c) 5 (d) 17
  4. 4.How many edges do 3 cubes have altogether? (a) 18 (b) 24 (c) 36 (d) 12
  5. 5.How many sides do 1 pentagon and 1 hexagon have altogether? (a) 5 (b) 11 (c) 2 (d) 6
  6. 6.How many faces do 5 cubes have altogether? (a) 6 (b) 60 (c) 30 (d) 40
  7. 7.How many corners do 2 squares and 2 hexagons have altogether? (a) 8 (b) 12 (c) 20 (d) 4
  8. 8.How many sides do 3 pentagons and 5 squares have altogether? (a) 15 (b) 35 (c) 37 (d) 20
  9. 9.How many corners do 4 cubes have altogether? (a) 48 (b) 24 (c) 8 (d) 32
  10. 10.How many corners do 5 octagons and 4 rectangles have altogether? (a) 40 (b) 16 (c) 56 (d) 52
  11. 11.How many corners do 3 pentagons and 3 octagons have altogether? (a) 6 (b) 39 (c) 15 (d) 24
  12. 12.How many sides do 2 rectangles and 5 squares have altogether? (a) 7 (b) 28 (c) 8 (d) 20
  13. 13.How many sides do 4 triangles and 3 squares have altogether? (a) 7 (b) 25 (c) 12 (d) 24
  14. 14.How many sides do 4 squares and 1 octagon have altogether? (a) 36 (b) 24 (c) 8 (d) 16
  15. 15.How many edges do 4 cubes have altogether? (a) 24 (b) 12 (c) 48 (d) 32
  16. 16.How many corners do 1 triangle and 5 rectangles have altogether? (a) 19 (b) 20 (c) 23 (d) 3
  17. 17.How many faces do 3 cubes have altogether? (a) 6 (b) 18 (c) 36 (d) 24
  18. 18.How many corners do 4 squares and 3 octagons have altogether? (a) 44 (b) 40 (c) 24 (d) 16
  19. 19.How many sides do 1 square and 5 rectangles have altogether? (a) 24 (b) 20 (c) 4 (d) 6
  20. 20.How many corners do 5 octagons and 5 triangles have altogether? (a) 55 (b) 15 (c) 40 (d) 10
  21. 21.How many sides do 5 pentagons and 5 squares have altogether? (a) 45 (b) 20 (c) 10 (d) 25
  22. 22.How many corners do 2 cubes have altogether? (a) 12 (b) 8 (c) 16 (d) 24
  23. 23.How many corners do 1 octagon and 1 pentagon have altogether? (a) 2 (b) 13 (c) 5 (d) 8
  24. 24.How many corners do 3 triangles and 4 squares have altogether? (a) 25 (b) 9 (c) 24 (d) 16
  25. 25.How many corners do 2 pentagons and 4 squares have altogether? (a) 10 (b) 16 (c) 28 (d) 26
  26. 26.How many sides do 1 square and 1 hexagon have altogether? (a) 6 (b) 2 (c) 4 (d) 10
  27. 27.How many edges do 2 cubes have altogether? (a) 12 (b) 25 (c) 24 (d) 16
  28. 28.How many sides do 3 octagons and 5 squares have altogether? (a) 44 (b) 24 (c) 20 (d) 52
  29. 29.How many corners do 1 triangle and 1 octagon have altogether? (a) 3 (b) 8 (c) 2 (d) 11
  30. 30.How many corners do 4 squares and 5 pentagons have altogether? (a) 16 (b) 41 (c) 40 (d) 25
  31. 31.How many corners do 2 pentagons and 1 triangle have altogether? (a) 10 (b) 13 (c) 11 (d) 3
  32. 32.How many sides do 2 rectangles and 2 squares have altogether? (a) 16 (b) 17 (c) 4 (d) 8
  33. 33.How many corners do 1 octagon and 4 triangles have altogether? (a) 20 (b) 8 (c) 12 (d) 35
  34. 34.How many sides do 5 squares and 4 rectangles have altogether? (a) 16 (b) 9 (c) 20 (d) 36
  35. 35.How many sides do 4 squares and 3 pentagons have altogether? (a) 31 (b) 16 (c) 15 (d) 32
  36. 36.How many sides do 1 triangle and 2 hexagons have altogether? (a) 16 (b) 3 (c) 12 (d) 15
  37. 37.How many corners do 3 hexagons and 3 triangles have altogether? (a) 18 (b) 6 (c) 27 (d) 9
  38. 38.How many corners do 2 triangles and 3 pentagons have altogether? (a) 21 (b) 6 (c) 15 (d) 19
  39. 39.How many corners do 3 cubes have altogether? (a) 8 (b) 24 (c) 18 (d) 36
  40. 40.How many sides do 1 hexagon and 1 triangle have altogether? (a) 3 (b) 9 (c) 6 (d) 2

Answer key

  1. 24
  2. 12
  3. 17
  4. 36
  5. 11
  6. 30
  7. 20
  8. 35
  9. 32
  10. 56
  11. 39
  12. 28
  13. 24
  14. 24
  15. 48
  16. 23
  17. 18
  18. 40
  19. 24
  20. 55
  21. 45
  22. 16
  23. 13
  24. 25
  25. 26
  26. 10
  27. 24
  28. 44
  29. 11
  30. 41
  31. 13
  32. 16
  33. 20
  34. 36
  35. 31
  36. 15
  37. 27
  38. 21
  39. 24
  40. 9

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