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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 16 · 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) 6 (b) 32 (c) 24 (d) 48
  2. 2.How many corners do 4 cubes have altogether? (a) 32 (b) 24 (c) 8 (d) 48
  3. 3.How many edges do 3 cubes have altogether? (a) 24 (b) 12 (c) 18 (d) 36
  4. 4.How many edges do 2 cubes have altogether? (a) 16 (b) 24 (c) 12 (d) 25
  5. 5.How many corners do 2 hexagons and 4 triangles have altogether? (a) 6 (b) 24 (c) 30 (d) 12
  6. 6.How many sides do 2 rectangles and 3 hexagons have altogether? (a) 26 (b) 24 (c) 18 (d) 8
  7. 7.How many corners do 3 cubes have altogether? (a) 36 (b) 18 (c) 8 (d) 24
  8. 8.How many edges do 5 cubes have altogether? (a) 40 (b) 30 (c) 60 (d) 12
  9. 9.How many sides do 2 rectangles and 1 octagon have altogether? (a) 8 (b) 3 (c) 20 (d) 16
  10. 10.How many faces do 2 cubes have altogether? (a) 24 (b) 12 (c) 16 (d) 6
  11. 11.How many corners do 1 square and 1 pentagon have altogether? (a) 9 (b) 2 (c) 4 (d) 5
  12. 12.How many sides do 2 rectangles and 3 triangles have altogether? (a) 18 (b) 8 (c) 17 (d) 9
  13. 13.How many corners do 5 squares and 3 pentagons have altogether? (a) 15 (b) 35 (c) 20 (d) 37
  14. 14.How many corners do 1 octagon and 5 triangles have altogether? (a) 43 (b) 8 (c) 15 (d) 23
  15. 15.How many corners do 4 squares and 4 hexagons have altogether? (a) 40 (b) 8 (c) 16 (d) 24
  16. 16.How many faces do 5 cubes have altogether? (a) 40 (b) 60 (c) 6 (d) 30
  17. 17.How many sides do 2 squares and 4 pentagons have altogether? (a) 26 (b) 28 (c) 20 (d) 8
  18. 18.How many sides do 5 pentagons and 3 squares have altogether? (a) 35 (b) 12 (c) 37 (d) 25
  19. 19.How many sides do 1 triangle and 3 hexagons have altogether? (a) 15 (b) 21 (c) 18 (d) 3
  20. 20.How many corners do 3 pentagons and 2 hexagons have altogether? (a) 28 (b) 27 (c) 15 (d) 12
  21. 21.How many edges do 4 cubes have altogether? (a) 48 (b) 12 (c) 24 (d) 32
  22. 22.How many corners do 3 hexagons and 2 pentagons have altogether? (a) 28 (b) 10 (c) 27 (d) 18
  23. 23.How many sides do 2 rectangles and 4 pentagons have altogether? (a) 8 (b) 28 (c) 20 (d) 26
  24. 24.How many sides do 3 triangles and 3 squares have altogether? (a) 21 (b) 6 (c) 9 (d) 12
  25. 25.How many sides do 4 hexagons and 4 pentagons have altogether? (a) 8 (b) 24 (c) 20 (d) 44
  26. 26.How many corners do 2 octagons and 5 squares have altogether? (a) 16 (b) 36 (c) 48 (d) 20
  27. 27.How many corners do 1 square and 2 rectangles have altogether? (a) 12 (b) 3 (c) 8 (d) 4
  28. 28.How many sides do 4 rectangles and 3 pentagons have altogether? (a) 31 (b) 15 (c) 32 (d) 16
  29. 29.How many sides do 2 octagons and 1 pentagon have altogether? (a) 21 (b) 16 (c) 18 (d) 5
  30. 30.How many sides do 2 rectangles and 1 pentagon have altogether? (a) 8 (b) 5 (c) 14 (d) 13
  31. 31.How many corners do 1 pentagon and 4 octagons have altogether? (a) 32 (b) 28 (c) 37 (d) 5
  32. 32.How many sides do 5 pentagons and 4 hexagons have altogether? (a) 25 (b) 24 (c) 50 (d) 49
  33. 33.How many sides do 2 hexagons and 2 squares have altogether? (a) 8 (b) 4 (c) 12 (d) 20
  34. 34.How many corners do 3 triangles and 5 rectangles have altogether? (a) 20 (b) 27 (c) 9 (d) 29
  35. 35.How many faces do 3 cubes have altogether? (a) 18 (b) 24 (c) 36 (d) 6
  36. 36.How many sides do 4 triangles and 2 squares have altogether? (a) 20 (b) 22 (c) 8 (d) 12
  37. 37.How many corners do 5 pentagons and 1 square have altogether? (a) 6 (b) 25 (c) 29 (d) 4
  38. 38.How many sides do 1 pentagon and 5 triangles have altogether? (a) 20 (b) 15 (c) 28 (d) 5
  39. 39.How many corners do 3 octagons and 2 pentagons have altogether? (a) 24 (b) 31 (c) 34 (d) 10
  40. 40.How many sides do 3 octagons and 2 triangles have altogether? (a) 25 (b) 24 (c) 6 (d) 30

Answer key

  1. 24
  2. 32
  3. 36
  4. 24
  5. 24
  6. 26
  7. 24
  8. 60
  9. 16
  10. 12
  11. 9
  12. 17
  13. 35
  14. 23
  15. 40
  16. 30
  17. 28
  18. 37
  19. 21
  20. 27
  21. 48
  22. 28
  23. 28
  24. 21
  25. 44
  26. 36
  27. 12
  28. 31
  29. 21
  30. 13
  31. 37
  32. 49
  33. 20
  34. 29
  35. 18
  36. 20
  37. 29
  38. 20
  39. 34
  40. 30

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