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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 26 · 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 4 hexagons and 3 pentagons have altogether? (a) 38 (b) 15 (c) 39 (d) 24
  2. 2.How many corners do 3 triangles and 5 pentagons have altogether? (a) 30 (b) 9 (c) 25 (d) 34
  3. 3.How many corners do 2 octagons and 3 rectangles have altogether? (a) 12 (b) 28 (c) 16 (d) 32
  4. 4.How many corners do 2 cubes have altogether? (a) 12 (b) 8 (c) 24 (d) 16
  5. 5.How many sides do 4 squares and 1 pentagon have altogether? (a) 5 (b) 24 (c) 21 (d) 16
  6. 6.How many edges do 5 cubes have altogether? (a) 12 (b) 40 (c) 60 (d) 30
  7. 7.How many corners do 3 octagons and 1 pentagon have altogether? (a) 24 (b) 23 (c) 5 (d) 29
  8. 8.How many sides do 5 rectangles and 4 squares have altogether? (a) 20 (b) 16 (c) 9 (d) 36
  9. 9.How many sides do 2 octagons and 4 squares have altogether? (a) 32 (b) 40 (c) 16 (d) 6
  10. 10.How many edges do 2 cubes have altogether? (a) 12 (b) 25 (c) 16 (d) 24
  11. 11.How many corners do 4 rectangles and 3 squares have altogether? (a) 12 (b) 16 (c) 7 (d) 28
  12. 12.How many faces do 2 cubes have altogether? (a) 24 (b) 16 (c) 12 (d) 6
  13. 13.How many sides do 1 pentagon and 3 rectangles have altogether? (a) 5 (b) 12 (c) 19 (d) 17
  14. 14.How many sides do 5 squares and 3 octagons have altogether? (a) 24 (b) 20 (c) 44 (d) 52
  15. 15.How many sides do 4 octagons and 2 rectangles have altogether? (a) 6 (b) 32 (c) 8 (d) 40
  16. 16.How many sides do 1 triangle and 4 rectangles have altogether? (a) 3 (b) 5 (c) 19 (d) 16
  17. 17.How many corners do 3 pentagons and 3 octagons have altogether? (a) 24 (b) 15 (c) 39 (d) 6
  18. 18.How many faces do 4 cubes have altogether? (a) 6 (b) 48 (c) 32 (d) 24
  19. 19.How many sides do 4 squares and 5 hexagons have altogether? (a) 16 (b) 46 (c) 30 (d) 44
  20. 20.How many corners do 3 hexagons and 5 pentagons have altogether? (a) 18 (b) 45 (c) 43 (d) 25
  21. 21.How many sides do 1 triangle and 1 hexagon have altogether? (a) 9 (b) 3 (c) 6 (d) 2
  22. 22.How many sides do 4 hexagons and 2 triangles have altogether? (a) 24 (b) 30 (c) 6 (d) 31
  23. 23.How many sides do 1 pentagon and 2 squares have altogether? (a) 13 (b) 8 (c) 14 (d) 5
  24. 24.How many corners do 4 squares and 2 octagons have altogether? (a) 6 (b) 32 (c) 40 (d) 16
  25. 25.How many corners do 2 hexagons and 3 squares have altogether? (a) 12 (b) 5 (c) 24 (d) 26
  26. 26.How many edges do 4 cubes have altogether? (a) 12 (b) 24 (c) 32 (d) 48
  27. 27.How many corners do 3 pentagons and 1 octagon have altogether? (a) 29 (b) 8 (c) 23 (d) 15
  28. 28.How many edges do 3 cubes have altogether? (a) 18 (b) 24 (c) 12 (d) 36
  29. 29.How many sides do 2 squares and 1 rectangle have altogether? (a) 4 (b) 12 (c) 8 (d) 3
  30. 30.How many corners do 2 rectangles and 1 hexagon have altogether? (a) 6 (b) 16 (c) 14 (d) 8
  31. 31.How many corners do 3 cubes have altogether? (a) 24 (b) 8 (c) 18 (d) 36
  32. 32.How many sides do 5 pentagons and 3 rectangles have altogether? (a) 12 (b) 35 (c) 37 (d) 25
  33. 33.How many corners do 2 triangles and 5 hexagons have altogether? (a) 30 (b) 36 (c) 6 (d) 27
  34. 34.How many sides do 5 hexagons and 2 squares have altogether? (a) 30 (b) 32 (c) 38 (d) 8
  35. 35.How many sides do 5 rectangles and 4 hexagons have altogether? (a) 20 (b) 44 (c) 24 (d) 46
  36. 36.How many faces do 3 cubes have altogether? (a) 36 (b) 24 (c) 6 (d) 18
  37. 37.How many sides do 1 pentagon and 1 octagon have altogether? (a) 5 (b) 8 (c) 2 (d) 13
  38. 38.How many sides do 3 squares and 5 octagons have altogether? (a) 12 (b) 40 (c) 44 (d) 52
  39. 39.How many corners do 4 rectangles and 1 square have altogether? (a) 16 (b) 4 (c) 20 (d) 5
  40. 40.How many sides do 3 squares and 1 hexagon have altogether? (a) 18 (b) 12 (c) 22 (d) 6

Answer key

  1. 39
  2. 34
  3. 28
  4. 16
  5. 21
  6. 60
  7. 29
  8. 36
  9. 32
  10. 24
  11. 28
  12. 12
  13. 17
  14. 44
  15. 40
  16. 19
  17. 39
  18. 24
  19. 46
  20. 43
  21. 9
  22. 30
  23. 13
  24. 32
  25. 24
  26. 48
  27. 23
  28. 36
  29. 12
  30. 14
  31. 24
  32. 37
  33. 36
  34. 38
  35. 44
  36. 18
  37. 13
  38. 52
  39. 20
  40. 18

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