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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 11 · 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) 12 (b) 6 (c) 24 (d) 16
  2. 2.How many edges do 2 cubes have altogether? (a) 16 (b) 12 (c) 24 (d) 25
  3. 3.How many corners do 3 squares and 1 rectangle have altogether? (a) 4 (b) 12 (c) 17 (d) 16
  4. 4.How many corners do 2 squares and 1 triangle have altogether? (a) 11 (b) 10 (c) 8 (d) 3
  5. 5.How many sides do 4 hexagons and 1 octagon have altogether? (a) 24 (b) 8 (c) 38 (d) 32
  6. 6.How many sides do 2 squares and 4 triangles have altogether? (a) 12 (b) 22 (c) 20 (d) 8
  7. 7.How many edges do 4 cubes have altogether? (a) 48 (b) 24 (c) 12 (d) 32
  8. 8.How many sides do 5 squares and 3 hexagons have altogether? (a) 20 (b) 38 (c) 42 (d) 18
  9. 9.How many sides do 3 rectangles and 1 pentagon have altogether? (a) 19 (b) 12 (c) 17 (d) 5
  10. 10.How many sides do 3 triangles and 3 octagons have altogether? (a) 9 (b) 6 (c) 33 (d) 24
  11. 11.How many corners do 2 squares and 5 pentagons have altogether? (a) 25 (b) 33 (c) 30 (d) 8
  12. 12.How many corners do 4 squares and 1 hexagon have altogether? (a) 22 (b) 6 (c) 16 (d) 28
  13. 13.How many faces do 5 cubes have altogether? (a) 6 (b) 30 (c) 40 (d) 60
  14. 14.How many corners do 1 hexagon and 1 square have altogether? (a) 10 (b) 2 (c) 4 (d) 6
  15. 15.How many corners do 1 rectangle and 2 triangles have altogether? (a) 4 (b) 6 (c) 10 (d) 11
  16. 16.How many sides do 5 pentagons and 2 rectangles have altogether? (a) 25 (b) 30 (c) 8 (d) 33
  17. 17.How many sides do 1 rectangle and 4 triangles have altogether? (a) 4 (b) 19 (c) 16 (d) 12
  18. 18.How many sides do 4 squares and 4 rectangles have altogether? (a) 32 (b) 33 (c) 16 (d) 8
  19. 19.How many faces do 3 cubes have altogether? (a) 36 (b) 24 (c) 6 (d) 18
  20. 20.How many edges do 3 cubes have altogether? (a) 36 (b) 24 (c) 18 (d) 12
  21. 21.How many sides do 5 rectangles and 4 squares have altogether? (a) 20 (b) 16 (c) 9 (d) 36
  22. 22.How many sides do 1 octagon and 5 hexagons have altogether? (a) 30 (b) 38 (c) 8 (d) 46
  23. 23.How many corners do 1 hexagon and 5 squares have altogether? (a) 34 (b) 20 (c) 26 (d) 6
  24. 24.How many sides do 4 rectangles and 2 squares have altogether? (a) 8 (b) 24 (c) 16 (d) 6
  25. 25.How many sides do 2 squares and 5 pentagons have altogether? (a) 30 (b) 25 (c) 33 (d) 8
  26. 26.How many corners do 4 octagons and 1 hexagon have altogether? (a) 5 (b) 32 (c) 38 (d) 6
  27. 27.How many sides do 1 rectangle and 2 hexagons have altogether? (a) 12 (b) 16 (c) 4 (d) 14
  28. 28.How many sides do 2 octagons and 5 triangles have altogether? (a) 46 (b) 31 (c) 15 (d) 16
  29. 29.How many corners do 2 cubes have altogether? (a) 24 (b) 8 (c) 12 (d) 16
  30. 30.How many sides do 5 pentagons and 3 hexagons have altogether? (a) 25 (b) 45 (c) 43 (d) 18
  31. 31.How many corners do 1 octagon and 3 rectangles have altogether? (a) 12 (b) 8 (c) 20 (d) 28
  32. 32.How many faces do 4 cubes have altogether? (a) 48 (b) 6 (c) 32 (d) 24
  33. 33.How many corners do 5 squares and 1 hexagon have altogether? (a) 6 (b) 26 (c) 34 (d) 20
  34. 34.How many corners do 5 triangles and 5 octagons have altogether? (a) 10 (b) 55 (c) 15 (d) 40
  35. 35.How many corners do 2 squares and 5 rectangles have altogether? (a) 8 (b) 28 (c) 7 (d) 20
  36. 36.How many edges do 5 cubes have altogether? (a) 12 (b) 40 (c) 30 (d) 60
  37. 37.How many corners do 2 rectangles and 1 octagon have altogether? (a) 3 (b) 8 (c) 16 (d) 20
  38. 38.How many corners do 5 cubes have altogether? (a) 8 (b) 40 (c) 60 (d) 30
  39. 39.How many corners do 2 squares and 4 octagons have altogether? (a) 8 (b) 32 (c) 40 (d) 6
  40. 40.How many corners do 2 hexagons and 1 rectangle have altogether? (a) 16 (b) 12 (c) 14 (d) 4

Answer key

  1. 12
  2. 24
  3. 16
  4. 11
  5. 32
  6. 20
  7. 48
  8. 38
  9. 17
  10. 33
  11. 33
  12. 22
  13. 30
  14. 10
  15. 10
  16. 33
  17. 16
  18. 32
  19. 18
  20. 36
  21. 36
  22. 38
  23. 26
  24. 24
  25. 33
  26. 38
  27. 16
  28. 31
  29. 16
  30. 43
  31. 20
  32. 24
  33. 26
  34. 55
  35. 28
  36. 60
  37. 16
  38. 40
  39. 40
  40. 16

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