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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 24 · 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 4 cubes have altogether? (a) 32 (b) 6 (c) 24 (d) 48
  2. 2.How many corners do 2 triangles and 3 pentagons have altogether? (a) 21 (b) 15 (c) 6 (d) 19
  3. 3.How many corners do 1 triangle and 1 square have altogether? (a) 3 (b) 2 (c) 7 (d) 4
  4. 4.How many sides do 2 squares and 4 octagons have altogether? (a) 32 (b) 6 (c) 8 (d) 40
  5. 5.How many sides do 3 pentagons and 5 rectangles have altogether? (a) 37 (b) 15 (c) 35 (d) 20
  6. 6.How many sides do 1 rectangle and 1 pentagon have altogether? (a) 4 (b) 9 (c) 2 (d) 5
  7. 7.How many sides do 3 squares and 1 hexagon have altogether? (a) 6 (b) 22 (c) 18 (d) 12
  8. 8.How many edges do 2 cubes have altogether? (a) 24 (b) 16 (c) 12 (d) 25
  9. 9.How many sides do 1 octagon and 4 pentagons have altogether? (a) 20 (b) 37 (c) 8 (d) 28
  10. 10.How many sides do 1 hexagon and 1 pentagon have altogether? (a) 11 (b) 5 (c) 2 (d) 6
  11. 11.How many faces do 2 cubes have altogether? (a) 24 (b) 12 (c) 16 (d) 6
  12. 12.How many sides do 2 rectangles and 2 squares have altogether? (a) 16 (b) 8 (c) 17 (d) 4
  13. 13.How many corners do 4 rectangles and 5 triangles have altogether? (a) 32 (b) 16 (c) 15 (d) 31
  14. 14.How many corners do 3 hexagons and 5 squares have altogether? (a) 20 (b) 42 (c) 18 (d) 38
  15. 15.How many faces do 5 cubes have altogether? (a) 40 (b) 6 (c) 30 (d) 60
  16. 16.How many sides do 3 hexagons and 1 square have altogether? (a) 18 (b) 4 (c) 23 (d) 22
  17. 17.How many corners do 2 cubes have altogether? (a) 16 (b) 24 (c) 12 (d) 8
  18. 18.How many sides do 4 pentagons and 2 triangles have altogether? (a) 20 (b) 6 (c) 26 (d) 22
  19. 19.How many corners do 2 octagons and 1 hexagon have altogether? (a) 6 (b) 22 (c) 20 (d) 16
  20. 20.How many corners do 3 hexagons and 2 triangles have altogether? (a) 21 (b) 6 (c) 24 (d) 18
  21. 21.How many sides do 1 rectangle and 4 squares have altogether? (a) 4 (b) 20 (c) 16 (d) 5
  22. 22.How many edges do 4 cubes have altogether? (a) 48 (b) 12 (c) 32 (d) 24
  23. 23.How many sides do 1 square and 1 rectangle have altogether? (a) 4 (b) 9 (c) 8 (d) 2
  24. 24.How many sides do 4 rectangles and 3 pentagons have altogether? (a) 16 (b) 15 (c) 31 (d) 32
  25. 25.How many sides do 5 triangles and 2 octagons have altogether? (a) 31 (b) 15 (c) 16 (d) 46
  26. 26.How many corners do 5 hexagons and 5 pentagons have altogether? (a) 30 (b) 10 (c) 55 (d) 25
  27. 27.How many faces do 3 cubes have altogether? (a) 24 (b) 6 (c) 36 (d) 18
  28. 28.How many sides do 3 rectangles and 4 triangles have altogether? (a) 24 (b) 25 (c) 7 (d) 12
  29. 29.How many corners do 3 pentagons and 1 triangle have altogether? (a) 18 (b) 3 (c) 15 (d) 14
  30. 30.How many corners do 1 octagon and 4 hexagons have altogether? (a) 8 (b) 32 (c) 38 (d) 24
  31. 31.How many sides do 4 squares and 5 hexagons have altogether? (a) 30 (b) 44 (c) 16 (d) 46
  32. 32.How many corners do 1 triangle and 2 rectangles have altogether? (a) 8 (b) 3 (c) 10 (d) 11
  33. 33.How many sides do 3 squares and 4 triangles have altogether? (a) 24 (b) 12 (c) 7 (d) 25
  34. 34.How many corners do 3 cubes have altogether? (a) 36 (b) 18 (c) 8 (d) 24
  35. 35.How many corners do 5 hexagons and 5 octagons have altogether? (a) 30 (b) 10 (c) 40 (d) 70
  36. 36.How many corners do 2 squares and 2 rectangles have altogether? (a) 8 (b) 17 (c) 16 (d) 4
  37. 37.How many corners do 5 pentagons and 2 triangles have altogether? (a) 6 (b) 7 (c) 31 (d) 25
  38. 38.How many corners do 1 triangle and 5 rectangles have altogether? (a) 3 (b) 20 (c) 23 (d) 19
  39. 39.How many corners do 2 triangles and 2 octagons have altogether? (a) 4 (b) 16 (c) 22 (d) 6
  40. 40.How many sides do 5 triangles and 1 octagon have altogether? (a) 43 (b) 8 (c) 15 (d) 23

Answer key

  1. 24
  2. 21
  3. 7
  4. 40
  5. 35
  6. 9
  7. 18
  8. 24
  9. 28
  10. 11
  11. 12
  12. 16
  13. 31
  14. 38
  15. 30
  16. 22
  17. 16
  18. 26
  19. 22
  20. 24
  21. 20
  22. 48
  23. 8
  24. 31
  25. 31
  26. 55
  27. 18
  28. 24
  29. 18
  30. 32
  31. 46
  32. 11
  33. 24
  34. 24
  35. 70
  36. 16
  37. 31
  38. 23
  39. 22
  40. 23

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