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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 80 · 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 2 cubes have altogether? (a) 16 (b) 24 (c) 12 (d) 6
  2. 2.How many sides do 4 hexagons and 2 pentagons have altogether? (a) 34 (b) 24 (c) 10 (d) 32
  3. 3.How many edges do 2 cubes have altogether? (a) 25 (b) 16 (c) 12 (d) 24
  4. 4.How many corners do 5 cubes have altogether? (a) 30 (b) 40 (c) 60 (d) 8
  5. 5.How many sides do 5 squares and 3 octagons have altogether? (a) 20 (b) 52 (c) 44 (d) 24
  6. 6.How many faces do 4 cubes have altogether? (a) 24 (b) 6 (c) 32 (d) 48
  7. 7.How many corners do 4 pentagons and 1 hexagon have altogether? (a) 29 (b) 20 (c) 6 (d) 26
  8. 8.How many sides do 3 triangles and 4 octagons have altogether? (a) 9 (b) 41 (c) 32 (d) 36
  9. 9.How many corners do 4 rectangles and 4 hexagons have altogether? (a) 16 (b) 24 (c) 8 (d) 40
  10. 10.How many sides do 1 triangle and 5 rectangles have altogether? (a) 20 (b) 19 (c) 3 (d) 23
  11. 11.How many corners do 3 cubes have altogether? (a) 24 (b) 18 (c) 8 (d) 36
  12. 12.How many corners do 4 squares and 5 triangles have altogether? (a) 32 (b) 16 (c) 15 (d) 31
  13. 13.How many sides do 2 squares and 3 rectangles have altogether? (a) 12 (b) 8 (c) 20 (d) 5
  14. 14.How many corners do 4 triangles and 2 octagons have altogether? (a) 38 (b) 12 (c) 16 (d) 28
  15. 15.How many edges do 5 cubes have altogether? (a) 30 (b) 60 (c) 12 (d) 40
  16. 16.How many sides do 2 pentagons and 5 triangles have altogether? (a) 31 (b) 15 (c) 10 (d) 25
  17. 17.How many corners do 1 octagon and 3 squares have altogether? (a) 8 (b) 12 (c) 28 (d) 20
  18. 18.How many sides do 5 rectangles and 1 hexagon have altogether? (a) 34 (b) 20 (c) 26 (d) 6
  19. 19.How many corners do 2 squares and 3 triangles have altogether? (a) 17 (b) 9 (c) 18 (d) 8
  20. 20.How many sides do 4 hexagons and 4 triangles have altogether? (a) 8 (b) 24 (c) 36 (d) 12
  21. 21.How many sides do 3 hexagons and 3 triangles have altogether? (a) 18 (b) 6 (c) 27 (d) 9
  22. 22.How many edges do 4 cubes have altogether? (a) 48 (b) 32 (c) 12 (d) 24
  23. 23.How many corners do 4 pentagons and 3 octagons have altogether? (a) 47 (b) 24 (c) 44 (d) 20
  24. 24.How many faces do 5 cubes have altogether? (a) 60 (b) 6 (c) 40 (d) 30
  25. 25.How many corners do 3 pentagons and 1 octagon have altogether? (a) 8 (b) 29 (c) 23 (d) 15
  26. 26.How many corners do 2 rectangles and 4 triangles have altogether? (a) 12 (b) 8 (c) 22 (d) 20
  27. 27.How many corners do 3 hexagons and 2 octagons have altogether? (a) 36 (b) 34 (c) 18 (d) 16
  28. 28.How many corners do 4 cubes have altogether? (a) 8 (b) 48 (c) 32 (d) 24
  29. 29.How many corners do 2 pentagons and 4 hexagons have altogether? (a) 24 (b) 10 (c) 34 (d) 32
  30. 30.How many corners do 4 octagons and 3 pentagons have altogether? (a) 32 (b) 15 (c) 47 (d) 44
  31. 31.How many sides do 3 triangles and 5 squares have altogether? (a) 20 (b) 9 (c) 29 (d) 27
  32. 32.How many corners do 1 triangle and 1 square have altogether? (a) 2 (b) 3 (c) 7 (d) 4
  33. 33.How many sides do 2 squares and 5 rectangles have altogether? (a) 20 (b) 28 (c) 8 (d) 7
  34. 34.How many corners do 4 octagons and 2 pentagons have altogether? (a) 32 (b) 36 (c) 42 (d) 10
  35. 35.How many corners do 1 octagon and 4 pentagons have altogether? (a) 20 (b) 28 (c) 37 (d) 8
  36. 36.How many sides do 4 hexagons and 1 triangle have altogether? (a) 24 (b) 3 (c) 27 (d) 18
  37. 37.How many sides do 4 octagons and 1 triangle have altogether? (a) 20 (b) 32 (c) 35 (d) 3
  38. 38.How many corners do 3 triangles and 4 hexagons have altogether? (a) 30 (b) 9 (c) 33 (d) 24
  39. 39.How many corners do 2 squares and 5 hexagons have altogether? (a) 38 (b) 30 (c) 32 (d) 8
  40. 40.How many corners do 2 cubes have altogether? (a) 12 (b) 24 (c) 8 (d) 16

Answer key

  1. 12
  2. 34
  3. 24
  4. 40
  5. 44
  6. 24
  7. 26
  8. 41
  9. 40
  10. 23
  11. 24
  12. 31
  13. 20
  14. 28
  15. 60
  16. 25
  17. 20
  18. 26
  19. 17
  20. 36
  21. 27
  22. 48
  23. 44
  24. 30
  25. 23
  26. 20
  27. 34
  28. 32
  29. 34
  30. 47
  31. 29
  32. 7
  33. 28
  34. 42
  35. 28
  36. 27
  37. 35
  38. 33
  39. 38
  40. 16

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