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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 429 · 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 4 squares and 5 octagons have altogether? (a) 40 (b) 16 (c) 56 (d) 52
  2. 2.How many edges do 5 cubes have altogether? (a) 12 (b) 40 (c) 60 (d) 30
  3. 3.How many edges do 3 cubes have altogether? (a) 12 (b) 18 (c) 24 (d) 36
  4. 4.How many sides do 2 squares and 1 triangle have altogether? (a) 10 (b) 11 (c) 8 (d) 3
  5. 5.How many corners do 3 squares and 5 hexagons have altogether? (a) 30 (b) 42 (c) 38 (d) 12
  6. 6.How many corners do 1 hexagon and 4 rectangles have altogether? (a) 28 (b) 16 (c) 6 (d) 22
  7. 7.How many corners do 5 cubes have altogether? (a) 8 (b) 30 (c) 40 (d) 60
  8. 8.How many sides do 5 octagons and 2 triangles have altogether? (a) 6 (b) 40 (c) 46 (d) 31
  9. 9.How many sides do 1 square and 2 hexagons have altogether? (a) 14 (b) 12 (c) 16 (d) 4
  10. 10.How many corners do 2 squares and 4 pentagons have altogether? (a) 20 (b) 26 (c) 28 (d) 8
  11. 11.How many corners do 1 hexagon and 1 triangle have altogether? (a) 6 (b) 2 (c) 3 (d) 9
  12. 12.How many sides do 5 octagons and 4 pentagons have altogether? (a) 57 (b) 40 (c) 60 (d) 20
  13. 13.How many sides do 1 triangle and 2 pentagons have altogether? (a) 11 (b) 3 (c) 10 (d) 13
  14. 14.How many corners do 1 square and 2 octagons have altogether? (a) 4 (b) 20 (c) 16 (d) 3
  15. 15.How many sides do 3 pentagons and 1 rectangle have altogether? (a) 15 (b) 4 (c) 19 (d) 17
  16. 16.How many corners do 1 hexagon and 3 octagons have altogether? (a) 24 (b) 6 (c) 26 (d) 30
  17. 17.How many sides do 4 octagons and 5 squares have altogether? (a) 32 (b) 52 (c) 56 (d) 20
  18. 18.How many corners do 5 triangles and 1 octagon have altogether? (a) 43 (b) 23 (c) 8 (d) 15
  19. 19.How many edges do 4 cubes have altogether? (a) 32 (b) 24 (c) 12 (d) 48
  20. 20.How many corners do 4 rectangles and 1 triangle have altogether? (a) 5 (b) 16 (c) 19 (d) 3
  21. 21.How many corners do 3 pentagons and 3 hexagons have altogether? (a) 33 (b) 18 (c) 6 (d) 15
  22. 22.How many corners do 5 hexagons and 1 triangle have altogether? (a) 30 (b) 33 (c) 21 (d) 3
  23. 23.How many faces do 5 cubes have altogether? (a) 30 (b) 60 (c) 6 (d) 40
  24. 24.How many corners do 3 octagons and 2 triangles have altogether? (a) 25 (b) 30 (c) 24 (d) 6
  25. 25.How many corners do 1 triangle and 4 squares have altogether? (a) 5 (b) 3 (c) 19 (d) 16
  26. 26.How many faces do 2 cubes have altogether? (a) 24 (b) 16 (c) 6 (d) 12
  27. 27.How many corners do 3 triangles and 4 pentagons have altogether? (a) 27 (b) 29 (c) 20 (d) 9
  28. 28.How many corners do 1 pentagon and 2 hexagons have altogether? (a) 17 (b) 12 (c) 16 (d) 5
  29. 29.How many sides do 5 rectangles and 2 hexagons have altogether? (a) 32 (b) 38 (c) 20 (d) 12
  30. 30.How many sides do 5 squares and 5 octagons have altogether? (a) 20 (b) 60 (c) 10 (d) 40
  31. 31.How many sides do 5 triangles and 3 hexagons have altogether? (a) 15 (b) 33 (c) 39 (d) 18
  32. 32.How many sides do 4 squares and 1 triangle have altogether? (a) 19 (b) 3 (c) 16 (d) 5
  33. 33.How many corners do 3 pentagons and 4 squares have altogether? (a) 32 (b) 16 (c) 15 (d) 31
  34. 34.How many corners do 3 octagons and 2 pentagons have altogether? (a) 24 (b) 31 (c) 34 (d) 10
  35. 35.How many corners do 4 hexagons and 2 pentagons have altogether? (a) 24 (b) 10 (c) 32 (d) 34
  36. 36.How many sides do 4 hexagons and 5 rectangles have altogether? (a) 46 (b) 20 (c) 24 (d) 44
  37. 37.How many faces do 4 cubes have altogether? (a) 6 (b) 32 (c) 24 (d) 48
  38. 38.How many sides do 4 squares and 5 triangles have altogether? (a) 15 (b) 31 (c) 32 (d) 16
  39. 39.How many corners do 4 pentagons and 3 octagons have altogether? (a) 24 (b) 20 (c) 44 (d) 47
  40. 40.How many sides do 4 rectangles and 1 triangle have altogether? (a) 19 (b) 16 (c) 5 (d) 3

Answer key

  1. 56
  2. 60
  3. 36
  4. 11
  5. 42
  6. 22
  7. 40
  8. 46
  9. 16
  10. 28
  11. 9
  12. 60
  13. 13
  14. 20
  15. 19
  16. 30
  17. 52
  18. 23
  19. 48
  20. 19
  21. 33
  22. 33
  23. 30
  24. 30
  25. 19
  26. 12
  27. 29
  28. 17
  29. 32
  30. 60
  31. 33
  32. 19
  33. 31
  34. 34
  35. 34
  36. 44
  37. 24
  38. 31
  39. 44
  40. 19

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