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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 741 · 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 2 cubes have altogether? (a) 16 (b) 25 (c) 12 (d) 24
  2. 2.How many corners do 1 pentagon and 4 hexagons have altogether? (a) 24 (b) 29 (c) 5 (d) 26
  3. 3.How many sides do 3 squares and 4 pentagons have altogether? (a) 32 (b) 12 (c) 31 (d) 20
  4. 4.How many sides do 2 rectangles and 4 pentagons have altogether? (a) 20 (b) 28 (c) 8 (d) 26
  5. 5.How many faces do 5 cubes have altogether? (a) 40 (b) 60 (c) 30 (d) 6
  6. 6.How many corners do 3 cubes have altogether? (a) 8 (b) 36 (c) 18 (d) 24
  7. 7.How many corners do 1 pentagon and 2 hexagons have altogether? (a) 12 (b) 5 (c) 16 (d) 17
  8. 8.How many sides do 2 hexagons and 4 triangles have altogether? (a) 24 (b) 12 (c) 6 (d) 30
  9. 9.How many corners do 1 triangle and 1 rectangle have altogether? (a) 3 (b) 7 (c) 2 (d) 4
  10. 10.How many faces do 3 cubes have altogether? (a) 18 (b) 6 (c) 24 (d) 36
  11. 11.How many edges do 4 cubes have altogether? (a) 32 (b) 48 (c) 12 (d) 24
  12. 12.How many sides do 5 rectangles and 2 pentagons have altogether? (a) 30 (b) 20 (c) 33 (d) 10
  13. 13.How many corners do 1 pentagon and 1 rectangle have altogether? (a) 9 (b) 5 (c) 4 (d) 2
  14. 14.How many sides do 4 rectangles and 2 triangles have altogether? (a) 16 (b) 6 (c) 22 (d) 20
  15. 15.How many sides do 4 squares and 3 triangles have altogether? (a) 16 (b) 24 (c) 25 (d) 9
  16. 16.How many sides do 4 pentagons and 1 square have altogether? (a) 4 (b) 20 (c) 24 (d) 21
  17. 17.How many sides do 2 triangles and 1 square have altogether? (a) 6 (b) 11 (c) 10 (d) 4
  18. 18.How many corners do 1 pentagon and 3 squares have altogether? (a) 12 (b) 17 (c) 19 (d) 5
  19. 19.How many sides do 5 octagons and 5 squares have altogether? (a) 20 (b) 10 (c) 60 (d) 40
  20. 20.How many sides do 2 squares and 4 rectangles have altogether? (a) 8 (b) 16 (c) 24 (d) 6
  21. 21.How many edges do 5 cubes have altogether? (a) 30 (b) 60 (c) 40 (d) 12
  22. 22.How many sides do 4 squares and 5 hexagons have altogether? (a) 16 (b) 46 (c) 44 (d) 30
  23. 23.How many sides do 1 pentagon and 1 square have altogether? (a) 5 (b) 9 (c) 2 (d) 4
  24. 24.How many corners do 5 squares and 4 octagons have altogether? (a) 32 (b) 56 (c) 52 (d) 20
  25. 25.How many corners do 5 rectangles and 3 squares have altogether? (a) 32 (b) 20 (c) 8 (d) 12
  26. 26.How many sides do 2 pentagons and 2 hexagons have altogether? (a) 12 (b) 4 (c) 10 (d) 22
  27. 27.How many corners do 3 hexagons and 5 octagons have altogether? (a) 18 (b) 40 (c) 54 (d) 58
  28. 28.How many sides do 4 triangles and 2 squares have altogether? (a) 8 (b) 20 (c) 22 (d) 12
  29. 29.How many corners do 5 pentagons and 3 squares have altogether? (a) 25 (b) 35 (c) 12 (d) 37
  30. 30.How many faces do 4 cubes have altogether? (a) 32 (b) 24 (c) 6 (d) 48
  31. 31.How many sides do 5 triangles and 5 squares have altogether? (a) 35 (b) 10 (c) 20 (d) 15
  32. 32.How many faces do 2 cubes have altogether? (a) 12 (b) 6 (c) 24 (d) 16
  33. 33.How many sides do 1 square and 1 triangle have altogether? (a) 4 (b) 2 (c) 7 (d) 3
  34. 34.How many corners do 3 pentagons and 1 octagon have altogether? (a) 8 (b) 23 (c) 29 (d) 15
  35. 35.How many sides do 3 pentagons and 2 rectangles have altogether? (a) 8 (b) 22 (c) 15 (d) 23
  36. 36.How many sides do 1 square and 4 hexagons have altogether? (a) 4 (b) 28 (c) 22 (d) 24
  37. 37.How many corners do 4 hexagons and 3 triangles have altogether? (a) 9 (b) 33 (c) 24 (d) 30
  38. 38.How many corners do 5 hexagons and 4 triangles have altogether? (a) 12 (b) 39 (c) 30 (d) 42
  39. 39.How many corners do 2 pentagons and 1 square have altogether? (a) 10 (b) 13 (c) 14 (d) 4
  40. 40.How many corners do 5 triangles and 5 octagons have altogether? (a) 55 (b) 40 (c) 10 (d) 15

Answer key

  1. 24
  2. 29
  3. 32
  4. 28
  5. 30
  6. 24
  7. 17
  8. 24
  9. 7
  10. 18
  11. 48
  12. 30
  13. 9
  14. 22
  15. 25
  16. 24
  17. 10
  18. 17
  19. 60
  20. 24
  21. 60
  22. 46
  23. 9
  24. 52
  25. 32
  26. 22
  27. 58
  28. 20
  29. 37
  30. 24
  31. 35
  32. 12
  33. 7
  34. 23
  35. 23
  36. 28
  37. 33
  38. 42
  39. 14
  40. 55

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