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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 567 · 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 5 hexagons and 5 pentagons have altogether? (a) 30 (b) 25 (c) 10 (d) 55
  2. 2.How many corners do 4 hexagons and 4 pentagons have altogether? (a) 20 (b) 8 (c) 24 (d) 44
  3. 3.How many sides do 1 square and 1 rectangle have altogether? (a) 8 (b) 4 (c) 2 (d) 9
  4. 4.How many corners do 4 rectangles and 1 hexagon have altogether? (a) 28 (b) 6 (c) 22 (d) 16
  5. 5.How many corners do 4 octagons and 5 rectangles have altogether? (a) 32 (b) 56 (c) 52 (d) 20
  6. 6.How many corners do 5 squares and 3 pentagons have altogether? (a) 15 (b) 20 (c) 37 (d) 35
  7. 7.How many sides do 3 hexagons and 3 squares have altogether? (a) 6 (b) 18 (c) 12 (d) 30
  8. 8.How many sides do 2 triangles and 1 square have altogether? (a) 6 (b) 4 (c) 10 (d) 11
  9. 9.How many corners do 1 pentagon and 4 triangles have altogether? (a) 12 (b) 23 (c) 5 (d) 17
  10. 10.How many faces do 2 cubes have altogether? (a) 6 (b) 12 (c) 24 (d) 16
  11. 11.How many corners do 4 squares and 3 pentagons have altogether? (a) 16 (b) 32 (c) 15 (d) 31
  12. 12.How many sides do 4 rectangles and 3 pentagons have altogether? (a) 32 (b) 15 (c) 31 (d) 16
  13. 13.How many edges do 2 cubes have altogether? (a) 16 (b) 25 (c) 24 (d) 12
  14. 14.How many corners do 5 pentagons and 4 octagons have altogether? (a) 32 (b) 57 (c) 60 (d) 25
  15. 15.How many sides do 3 squares and 5 pentagons have altogether? (a) 12 (b) 25 (c) 35 (d) 37
  16. 16.How many corners do 2 rectangles and 4 triangles have altogether? (a) 8 (b) 22 (c) 20 (d) 12
  17. 17.How many sides do 4 squares and 5 octagons have altogether? (a) 56 (b) 40 (c) 52 (d) 16
  18. 18.How many sides do 1 octagon and 4 triangles have altogether? (a) 12 (b) 35 (c) 8 (d) 20
  19. 19.How many edges do 5 cubes have altogether? (a) 12 (b) 30 (c) 60 (d) 40
  20. 20.How many edges do 4 cubes have altogether? (a) 48 (b) 24 (c) 32 (d) 12
  21. 21.How many sides do 1 triangle and 4 hexagons have altogether? (a) 18 (b) 27 (c) 3 (d) 24
  22. 22.How many sides do 5 hexagons and 4 squares have altogether? (a) 44 (b) 16 (c) 30 (d) 46
  23. 23.How many corners do 4 squares and 2 octagons have altogether? (a) 6 (b) 40 (c) 32 (d) 16
  24. 24.How many corners do 4 hexagons and 5 triangles have altogether? (a) 24 (b) 42 (c) 15 (d) 39
  25. 25.How many sides do 1 hexagon and 2 octagons have altogether? (a) 20 (b) 22 (c) 6 (d) 16
  26. 26.How many corners do 1 octagon and 2 pentagons have altogether? (a) 18 (b) 8 (c) 10 (d) 21
  27. 27.How many corners do 3 triangles and 3 rectangles have altogether? (a) 21 (b) 9 (c) 6 (d) 12
  28. 28.How many sides do 2 pentagons and 1 hexagon have altogether? (a) 6 (b) 17 (c) 10 (d) 16
  29. 29.How many sides do 2 triangles and 5 hexagons have altogether? (a) 30 (b) 27 (c) 6 (d) 36
  30. 30.How many sides do 4 squares and 2 rectangles have altogether? (a) 24 (b) 6 (c) 16 (d) 8
  31. 31.How many sides do 4 hexagons and 3 squares have altogether? (a) 24 (b) 34 (c) 12 (d) 36
  32. 32.How many corners do 1 rectangle and 3 triangles have altogether? (a) 9 (b) 4 (c) 15 (d) 13
  33. 33.How many corners do 3 cubes have altogether? (a) 18 (b) 24 (c) 36 (d) 8
  34. 34.How many corners do 2 octagons and 5 pentagons have altogether? (a) 50 (b) 41 (c) 16 (d) 25
  35. 35.How many corners do 1 hexagon and 3 pentagons have altogether? (a) 6 (b) 21 (c) 23 (d) 15
  36. 36.How many corners do 1 triangle and 5 squares have altogether? (a) 19 (b) 3 (c) 20 (d) 23
  37. 37.How many sides do 5 squares and 1 triangle have altogether? (a) 19 (b) 3 (c) 20 (d) 23
  38. 38.How many faces do 3 cubes have altogether? (a) 6 (b) 18 (c) 24 (d) 36
  39. 39.How many sides do 3 pentagons and 1 octagon have altogether? (a) 23 (b) 8 (c) 29 (d) 15
  40. 40.How many corners do 2 cubes have altogether? (a) 12 (b) 8 (c) 16 (d) 24

Answer key

  1. 55
  2. 44
  3. 8
  4. 22
  5. 52
  6. 35
  7. 30
  8. 10
  9. 17
  10. 12
  11. 31
  12. 31
  13. 24
  14. 57
  15. 37
  16. 20
  17. 56
  18. 20
  19. 60
  20. 48
  21. 27
  22. 46
  23. 32
  24. 39
  25. 22
  26. 18
  27. 21
  28. 16
  29. 36
  30. 24
  31. 36
  32. 13
  33. 24
  34. 41
  35. 21
  36. 23
  37. 23
  38. 18
  39. 23
  40. 16

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