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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 668 · 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 2 squares and 5 pentagons have altogether? (a) 25 (b) 30 (c) 33 (d) 8
  2. 2.How many corners do 4 cubes have altogether? (a) 32 (b) 48 (c) 8 (d) 24
  3. 3.How many edges do 4 cubes have altogether? (a) 24 (b) 48 (c) 12 (d) 32
  4. 4.How many corners do 3 cubes have altogether? (a) 36 (b) 8 (c) 24 (d) 18
  5. 5.How many sides do 2 octagons and 2 triangles have altogether? (a) 6 (b) 16 (c) 22 (d) 4
  6. 6.How many faces do 2 cubes have altogether? (a) 6 (b) 16 (c) 12 (d) 24
  7. 7.How many corners do 4 octagons and 5 pentagons have altogether? (a) 57 (b) 60 (c) 25 (d) 32
  8. 8.How many corners do 5 triangles and 2 octagons have altogether? (a) 15 (b) 31 (c) 16 (d) 46
  9. 9.How many corners do 3 pentagons and 2 triangles have altogether? (a) 21 (b) 6 (c) 19 (d) 15
  10. 10.How many sides do 2 hexagons and 1 triangle have altogether? (a) 12 (b) 3 (c) 15 (d) 16
  11. 11.How many sides do 4 squares and 1 rectangle have altogether? (a) 5 (b) 20 (c) 16 (d) 4
  12. 12.How many faces do 4 cubes have altogether? (a) 48 (b) 32 (c) 6 (d) 24
  13. 13.How many sides do 1 rectangle and 5 hexagons have altogether? (a) 34 (b) 26 (c) 30 (d) 4
  14. 14.How many corners do 2 cubes have altogether? (a) 12 (b) 16 (c) 24 (d) 8
  15. 15.How many corners do 4 hexagons and 3 squares have altogether? (a) 12 (b) 36 (c) 24 (d) 34
  16. 16.How many edges do 2 cubes have altogether? (a) 12 (b) 25 (c) 24 (d) 16
  17. 17.How many sides do 1 square and 4 rectangles have altogether? (a) 5 (b) 20 (c) 4 (d) 16
  18. 18.How many edges do 5 cubes have altogether? (a) 40 (b) 30 (c) 60 (d) 12
  19. 19.How many corners do 5 squares and 3 rectangles have altogether? (a) 20 (b) 32 (c) 8 (d) 12
  20. 20.How many sides do 2 squares and 5 hexagons have altogether? (a) 30 (b) 8 (c) 38 (d) 32
  21. 21.How many sides do 1 rectangle and 2 hexagons have altogether? (a) 16 (b) 14 (c) 12 (d) 4
  22. 22.How many corners do 1 square and 3 octagons have altogether? (a) 4 (b) 24 (c) 20 (d) 28
  23. 23.How many sides do 5 hexagons and 1 octagon have altogether? (a) 8 (b) 46 (c) 38 (d) 30
  24. 24.How many sides do 2 octagons and 2 pentagons have altogether? (a) 10 (b) 16 (c) 4 (d) 26
  25. 25.How many sides do 4 triangles and 4 octagons have altogether? (a) 12 (b) 8 (c) 32 (d) 44
  26. 26.How many sides do 4 octagons and 2 hexagons have altogether? (a) 32 (b) 44 (c) 40 (d) 12
  27. 27.How many corners do 1 octagon and 5 pentagons have altogether? (a) 25 (b) 33 (c) 8 (d) 45
  28. 28.How many sides do 4 hexagons and 3 triangles have altogether? (a) 30 (b) 9 (c) 33 (d) 24
  29. 29.How many corners do 4 octagons and 1 triangle have altogether? (a) 20 (b) 3 (c) 35 (d) 32
  30. 30.How many sides do 1 square and 1 hexagon have altogether? (a) 2 (b) 10 (c) 4 (d) 6
  31. 31.How many corners do 1 pentagon and 4 rectangles have altogether? (a) 21 (b) 16 (c) 5 (d) 24
  32. 32.How many sides do 3 octagons and 3 triangles have altogether? (a) 24 (b) 9 (c) 6 (d) 33
  33. 33.How many sides do 2 pentagons and 2 rectangles have altogether? (a) 8 (b) 18 (c) 10 (d) 4
  34. 34.How many corners do 1 pentagon and 5 triangles have altogether? (a) 20 (b) 15 (c) 28 (d) 5
  35. 35.How many sides do 2 triangles and 3 rectangles have altogether? (a) 17 (b) 18 (c) 6 (d) 12
  36. 36.How many sides do 4 squares and 3 octagons have altogether? (a) 40 (b) 24 (c) 16 (d) 44
  37. 37.How many edges do 3 cubes have altogether? (a) 18 (b) 36 (c) 24 (d) 12
  38. 38.How many corners do 2 octagons and 5 pentagons have altogether? (a) 50 (b) 25 (c) 16 (d) 41
  39. 39.How many sides do 4 rectangles and 5 pentagons have altogether? (a) 16 (b) 25 (c) 41 (d) 40
  40. 40.How many sides do 2 squares and 5 triangles have altogether? (a) 26 (b) 15 (c) 23 (d) 8

Answer key

  1. 33
  2. 32
  3. 48
  4. 24
  5. 22
  6. 12
  7. 57
  8. 31
  9. 21
  10. 15
  11. 20
  12. 24
  13. 34
  14. 16
  15. 36
  16. 24
  17. 20
  18. 60
  19. 32
  20. 38
  21. 16
  22. 28
  23. 38
  24. 26
  25. 44
  26. 44
  27. 33
  28. 33
  29. 35
  30. 10
  31. 21
  32. 33
  33. 18
  34. 20
  35. 18
  36. 40
  37. 36
  38. 41
  39. 41
  40. 23

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