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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 17 · 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 sides do 1 hexagon and 3 rectangles have altogether? (a) 6 (b) 22 (c) 18 (d) 12
  2. 2.How many corners do 3 squares and 2 octagons have altogether? (a) 16 (b) 12 (c) 28 (d) 32
  3. 3.How many faces do 3 cubes have altogether? (a) 24 (b) 18 (c) 6 (d) 36
  4. 4.How many sides do 1 pentagon and 2 octagons have altogether? (a) 18 (b) 5 (c) 16 (d) 21
  5. 5.How many edges do 4 cubes have altogether? (a) 24 (b) 48 (c) 32 (d) 12
  6. 6.How many corners do 4 cubes have altogether? (a) 32 (b) 8 (c) 24 (d) 48
  7. 7.How many sides do 4 octagons and 5 hexagons have altogether? (a) 62 (b) 32 (c) 64 (d) 30
  8. 8.How many sides do 5 octagons and 2 pentagons have altogether? (a) 41 (b) 40 (c) 50 (d) 10
  9. 9.How many sides do 5 rectangles and 4 octagons have altogether? (a) 56 (b) 52 (c) 20 (d) 32
  10. 10.How many edges do 5 cubes have altogether? (a) 40 (b) 12 (c) 60 (d) 30
  11. 11.How many sides do 1 pentagon and 3 triangles have altogether? (a) 14 (b) 5 (c) 18 (d) 9
  12. 12.How many sides do 1 square and 3 octagons have altogether? (a) 20 (b) 4 (c) 28 (d) 24
  13. 13.How many sides do 4 octagons and 4 squares have altogether? (a) 32 (b) 16 (c) 8 (d) 48
  14. 14.How many corners do 2 rectangles and 3 squares have altogether? (a) 20 (b) 8 (c) 12 (d) 5
  15. 15.How many corners do 5 pentagons and 4 triangles have altogether? (a) 25 (b) 12 (c) 35 (d) 37
  16. 16.How many sides do 3 pentagons and 3 hexagons have altogether? (a) 6 (b) 18 (c) 33 (d) 15
  17. 17.How many sides do 1 octagon and 1 hexagon have altogether? (a) 2 (b) 6 (c) 8 (d) 14
  18. 18.How many sides do 2 pentagons and 2 triangles have altogether? (a) 6 (b) 4 (c) 10 (d) 16
  19. 19.How many sides do 1 rectangle and 1 square have altogether? (a) 8 (b) 4 (c) 2 (d) 9
  20. 20.How many sides do 4 triangles and 4 rectangles have altogether? (a) 28 (b) 8 (c) 16 (d) 12
  21. 21.How many corners do 1 hexagon and 1 square have altogether? (a) 10 (b) 2 (c) 4 (d) 6
  22. 22.How many corners do 2 pentagons and 1 triangle have altogether? (a) 11 (b) 13 (c) 10 (d) 3
  23. 23.How many sides do 1 pentagon and 2 squares have altogether? (a) 13 (b) 8 (c) 14 (d) 5
  24. 24.How many sides do 1 triangle and 2 squares have altogether? (a) 11 (b) 8 (c) 10 (d) 3
  25. 25.How many sides do 2 triangles and 1 pentagon have altogether? (a) 6 (b) 13 (c) 5 (d) 11
  26. 26.How many sides do 2 squares and 3 octagons have altogether? (a) 24 (b) 8 (c) 32 (d) 28
  27. 27.How many corners do 2 triangles and 1 rectangle have altogether? (a) 10 (b) 4 (c) 6 (d) 11
  28. 28.How many corners do 5 pentagons and 3 triangles have altogether? (a) 25 (b) 30 (c) 34 (d) 9
  29. 29.How many sides do 3 hexagons and 3 pentagons have altogether? (a) 6 (b) 18 (c) 33 (d) 15
  30. 30.How many corners do 2 triangles and 2 pentagons have altogether? (a) 4 (b) 6 (c) 10 (d) 16
  31. 31.How many corners do 3 triangles and 4 rectangles have altogether? (a) 25 (b) 16 (c) 9 (d) 24
  32. 32.How many edges do 2 cubes have altogether? (a) 16 (b) 12 (c) 25 (d) 24
  33. 33.How many corners do 2 cubes have altogether? (a) 12 (b) 16 (c) 8 (d) 24
  34. 34.How many sides do 4 hexagons and 5 rectangles have altogether? (a) 44 (b) 20 (c) 46 (d) 24
  35. 35.How many sides do 1 hexagon and 1 rectangle have altogether? (a) 4 (b) 2 (c) 10 (d) 6
  36. 36.How many corners do 3 hexagons and 3 squares have altogether? (a) 30 (b) 6 (c) 12 (d) 18
  37. 37.How many sides do 3 pentagons and 2 hexagons have altogether? (a) 15 (b) 12 (c) 27 (d) 28
  38. 38.How many sides do 1 rectangle and 5 pentagons have altogether? (a) 25 (b) 29 (c) 6 (d) 4
  39. 39.How many sides do 1 triangle and 1 octagon have altogether? (a) 8 (b) 2 (c) 3 (d) 11
  40. 40.How many corners do 4 squares and 3 hexagons have altogether? (a) 36 (b) 34 (c) 18 (d) 16

Answer key

  1. 18
  2. 28
  3. 18
  4. 21
  5. 48
  6. 32
  7. 62
  8. 50
  9. 52
  10. 60
  11. 14
  12. 28
  13. 48
  14. 20
  15. 37
  16. 33
  17. 14
  18. 16
  19. 8
  20. 28
  21. 10
  22. 13
  23. 13
  24. 11
  25. 11
  26. 32
  27. 10
  28. 34
  29. 33
  30. 16
  31. 25
  32. 24
  33. 16
  34. 44
  35. 10
  36. 30
  37. 27
  38. 29
  39. 11
  40. 34

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