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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 263 · 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 5 cubes have altogether? (a) 60 (b) 40 (c) 6 (d) 30
  2. 2.How many corners do 3 triangles and 5 rectangles have altogether? (a) 9 (b) 27 (c) 29 (d) 20
  3. 3.How many sides do 1 square and 3 hexagons have altogether? (a) 23 (b) 4 (c) 18 (d) 22
  4. 4.How many sides do 4 pentagons and 5 hexagons have altogether? (a) 20 (b) 30 (c) 50 (d) 49
  5. 5.How many corners do 3 triangles and 1 square have altogether? (a) 4 (b) 9 (c) 15 (d) 13
  6. 6.How many corners do 3 cubes have altogether? (a) 18 (b) 8 (c) 36 (d) 24
  7. 7.How many faces do 2 cubes have altogether? (a) 6 (b) 12 (c) 16 (d) 24
  8. 8.How many sides do 5 octagons and 5 pentagons have altogether? (a) 65 (b) 40 (c) 10 (d) 25
  9. 9.How many corners do 4 squares and 4 triangles have altogether? (a) 16 (b) 8 (c) 12 (d) 28
  10. 10.How many corners do 1 triangle and 3 pentagons have altogether? (a) 3 (b) 14 (c) 18 (d) 15
  11. 11.How many sides do 4 hexagons and 1 octagon have altogether? (a) 32 (b) 38 (c) 24 (d) 8
  12. 12.How many sides do 2 pentagons and 2 rectangles have altogether? (a) 4 (b) 18 (c) 10 (d) 8
  13. 13.How many corners do 1 square and 2 rectangles have altogether? (a) 4 (b) 3 (c) 12 (d) 8
  14. 14.How many corners do 4 cubes have altogether? (a) 24 (b) 32 (c) 8 (d) 48
  15. 15.How many corners do 2 pentagons and 4 hexagons have altogether? (a) 10 (b) 32 (c) 24 (d) 34
  16. 16.How many corners do 1 hexagon and 3 triangles have altogether? (a) 9 (b) 21 (c) 15 (d) 6
  17. 17.How many corners do 1 octagon and 2 hexagons have altogether? (a) 12 (b) 8 (c) 22 (d) 20
  18. 18.How many sides do 4 hexagons and 4 octagons have altogether? (a) 32 (b) 8 (c) 24 (d) 56
  19. 19.How many corners do 5 cubes have altogether? (a) 60 (b) 8 (c) 40 (d) 30
  20. 20.How many corners do 1 triangle and 1 rectangle have altogether? (a) 2 (b) 4 (c) 7 (d) 3
  21. 21.How many sides do 3 squares and 1 octagon have altogether? (a) 12 (b) 28 (c) 8 (d) 20
  22. 22.How many sides do 3 triangles and 2 squares have altogether? (a) 8 (b) 9 (c) 17 (d) 18
  23. 23.How many corners do 1 octagon and 1 rectangle have altogether? (a) 2 (b) 8 (c) 12 (d) 4
  24. 24.How many corners do 1 octagon and 5 triangles have altogether? (a) 43 (b) 23 (c) 15 (d) 8
  25. 25.How many sides do 1 hexagon and 1 pentagon have altogether? (a) 6 (b) 2 (c) 11 (d) 5
  26. 26.How many edges do 4 cubes have altogether? (a) 32 (b) 24 (c) 12 (d) 48
  27. 27.How many corners do 1 hexagon and 5 octagons have altogether? (a) 38 (b) 40 (c) 46 (d) 6
  28. 28.How many corners do 1 hexagon and 4 pentagons have altogether? (a) 29 (b) 26 (c) 20 (d) 6
  29. 29.How many sides do 1 pentagon and 5 squares have altogether? (a) 25 (b) 20 (c) 29 (d) 5
  30. 30.How many corners do 4 hexagons and 3 octagons have altogether? (a) 7 (b) 50 (c) 24 (d) 48
  31. 31.How many corners do 5 pentagons and 4 hexagons have altogether? (a) 24 (b) 49 (c) 50 (d) 25
  32. 32.How many corners do 1 pentagon and 4 hexagons have altogether? (a) 5 (b) 24 (c) 26 (d) 29
  33. 33.How many corners do 5 hexagons and 5 triangles have altogether? (a) 15 (b) 45 (c) 10 (d) 30
  34. 34.How many sides do 4 octagons and 4 pentagons have altogether? (a) 20 (b) 52 (c) 32 (d) 8
  35. 35.How many sides do 5 squares and 1 rectangle have altogether? (a) 20 (b) 6 (c) 24 (d) 4
  36. 36.How many sides do 1 triangle and 3 hexagons have altogether? (a) 15 (b) 3 (c) 21 (d) 18
  37. 37.How many corners do 5 triangles and 2 hexagons have altogether? (a) 12 (b) 15 (c) 36 (d) 27
  38. 38.How many sides do 1 hexagon and 2 squares have altogether? (a) 6 (b) 14 (c) 8 (d) 16
  39. 39.How many corners do 5 triangles and 5 squares have altogether? (a) 15 (b) 10 (c) 20 (d) 35
  40. 40.How many faces do 4 cubes have altogether? (a) 24 (b) 48 (c) 32 (d) 6

Answer key

  1. 30
  2. 29
  3. 22
  4. 50
  5. 13
  6. 24
  7. 12
  8. 65
  9. 28
  10. 18
  11. 32
  12. 18
  13. 12
  14. 32
  15. 34
  16. 15
  17. 20
  18. 56
  19. 40
  20. 7
  21. 20
  22. 17
  23. 12
  24. 23
  25. 11
  26. 48
  27. 46
  28. 26
  29. 25
  30. 48
  31. 49
  32. 29
  33. 45
  34. 52
  35. 24
  36. 21
  37. 27
  38. 14
  39. 35
  40. 24

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