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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 599 · 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 2 squares and 2 triangles have altogether? (a) 4 (b) 14 (c) 8 (d) 6
  2. 2.How many faces do 2 cubes have altogether? (a) 12 (b) 24 (c) 16 (d) 6
  3. 3.How many corners do 2 cubes have altogether? (a) 8 (b) 12 (c) 24 (d) 16
  4. 4.How many corners do 1 square and 2 rectangles have altogether? (a) 4 (b) 3 (c) 8 (d) 12
  5. 5.How many corners do 4 squares and 1 triangle have altogether? (a) 3 (b) 5 (c) 19 (d) 16
  6. 6.How many sides do 2 octagons and 2 pentagons have altogether? (a) 4 (b) 10 (c) 16 (d) 26
  7. 7.How many sides do 4 octagons and 1 square have altogether? (a) 4 (b) 24 (c) 36 (d) 32
  8. 8.How many edges do 2 cubes have altogether? (a) 24 (b) 12 (c) 16 (d) 25
  9. 9.How many corners do 2 hexagons and 4 squares have altogether? (a) 28 (b) 16 (c) 12 (d) 32
  10. 10.How many sides do 1 hexagon and 5 octagons have altogether? (a) 40 (b) 38 (c) 46 (d) 6
  11. 11.How many sides do 1 square and 3 octagons have altogether? (a) 28 (b) 24 (c) 20 (d) 4
  12. 12.How many sides do 1 octagon and 1 rectangle have altogether? (a) 2 (b) 4 (c) 12 (d) 8
  13. 13.How many corners do 4 hexagons and 2 octagons have altogether? (a) 44 (b) 40 (c) 16 (d) 24
  14. 14.How many sides do 3 pentagons and 3 octagons have altogether? (a) 15 (b) 39 (c) 6 (d) 24
  15. 15.How many faces do 3 cubes have altogether? (a) 6 (b) 24 (c) 36 (d) 18
  16. 16.How many sides do 1 pentagon and 3 squares have altogether? (a) 19 (b) 17 (c) 5 (d) 12
  17. 17.How many sides do 4 pentagons and 5 squares have altogether? (a) 20 (b) 9 (c) 41 (d) 40
  18. 18.How many corners do 3 pentagons and 5 octagons have altogether? (a) 15 (b) 49 (c) 40 (d) 55
  19. 19.How many sides do 3 octagons and 2 hexagons have altogether? (a) 12 (b) 36 (c) 34 (d) 24
  20. 20.How many corners do 5 cubes have altogether? (a) 30 (b) 8 (c) 40 (d) 60
  21. 21.How many corners do 5 triangles and 4 squares have altogether? (a) 32 (b) 15 (c) 16 (d) 31
  22. 22.How many corners do 3 rectangles and 5 pentagons have altogether? (a) 12 (b) 25 (c) 35 (d) 37
  23. 23.How many faces do 4 cubes have altogether? (a) 24 (b) 32 (c) 48 (d) 6
  24. 24.How many corners do 1 triangle and 2 pentagons have altogether? (a) 3 (b) 11 (c) 10 (d) 13
  25. 25.How many sides do 2 hexagons and 5 triangles have altogether? (a) 12 (b) 15 (c) 36 (d) 27
  26. 26.How many sides do 1 rectangle and 1 triangle have altogether? (a) 2 (b) 4 (c) 3 (d) 7
  27. 27.How many corners do 5 pentagons and 5 rectangles have altogether? (a) 25 (b) 20 (c) 45 (d) 10
  28. 28.How many corners do 1 hexagon and 3 rectangles have altogether? (a) 18 (b) 6 (c) 22 (d) 12
  29. 29.How many sides do 4 hexagons and 1 rectangle have altogether? (a) 22 (b) 24 (c) 28 (d) 4
  30. 30.How many sides do 3 octagons and 1 hexagon have altogether? (a) 30 (b) 6 (c) 26 (d) 24
  31. 31.How many sides do 2 triangles and 3 octagons have altogether? (a) 25 (b) 30 (c) 24 (d) 6
  32. 32.How many sides do 5 triangles and 1 pentagon have altogether? (a) 20 (b) 28 (c) 5 (d) 15
  33. 33.How many sides do 1 pentagon and 5 triangles have altogether? (a) 28 (b) 5 (c) 15 (d) 20
  34. 34.How many corners do 2 hexagons and 1 rectangle have altogether? (a) 12 (b) 16 (c) 4 (d) 14
  35. 35.How many sides do 5 pentagons and 2 rectangles have altogether? (a) 25 (b) 8 (c) 30 (d) 33
  36. 36.How many sides do 4 pentagons and 2 triangles have altogether? (a) 22 (b) 6 (c) 20 (d) 26
  37. 37.How many sides do 2 octagons and 3 triangles have altogether? (a) 9 (b) 16 (c) 25 (d) 30
  38. 38.How many sides do 4 hexagons and 4 squares have altogether? (a) 16 (b) 24 (c) 8 (d) 40
  39. 39.How many corners do 1 square and 4 hexagons have altogether? (a) 4 (b) 22 (c) 24 (d) 28
  40. 40.How many corners do 3 octagons and 2 triangles have altogether? (a) 25 (b) 6 (c) 30 (d) 24

Answer key

  1. 14
  2. 12
  3. 16
  4. 12
  5. 19
  6. 26
  7. 36
  8. 24
  9. 28
  10. 46
  11. 28
  12. 12
  13. 40
  14. 39
  15. 18
  16. 17
  17. 40
  18. 55
  19. 36
  20. 40
  21. 31
  22. 37
  23. 24
  24. 13
  25. 27
  26. 7
  27. 45
  28. 18
  29. 28
  30. 30
  31. 30
  32. 20
  33. 20
  34. 16
  35. 33
  36. 26
  37. 25
  38. 40
  39. 28
  40. 30

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