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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 551 · 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 sides do 2 squares and 3 hexagons have altogether? (a) 24 (b) 8 (c) 18 (d) 26
  2. 2.How many corners do 4 squares and 1 rectangle have altogether? (a) 20 (b) 16 (c) 5 (d) 4
  3. 3.How many corners do 2 cubes have altogether? (a) 24 (b) 12 (c) 16 (d) 8
  4. 4.How many corners do 1 square and 1 triangle have altogether? (a) 3 (b) 4 (c) 7 (d) 2
  5. 5.How many sides do 2 octagons and 4 triangles have altogether? (a) 28 (b) 16 (c) 12 (d) 38
  6. 6.How many corners do 3 cubes have altogether? (a) 24 (b) 18 (c) 8 (d) 36
  7. 7.How many sides do 3 squares and 3 pentagons have altogether? (a) 15 (b) 6 (c) 27 (d) 12
  8. 8.How many faces do 3 cubes have altogether? (a) 36 (b) 24 (c) 18 (d) 6
  9. 9.How many sides do 3 rectangles and 4 squares have altogether? (a) 12 (b) 28 (c) 7 (d) 16
  10. 10.How many corners do 3 rectangles and 2 octagons have altogether? (a) 16 (b) 28 (c) 12 (d) 32
  11. 11.How many sides do 1 square and 3 triangles have altogether? (a) 15 (b) 9 (c) 4 (d) 13
  12. 12.How many edges do 4 cubes have altogether? (a) 32 (b) 48 (c) 12 (d) 24
  13. 13.How many corners do 5 triangles and 1 rectangle have altogether? (a) 15 (b) 4 (c) 23 (d) 19
  14. 14.How many sides do 1 triangle and 5 hexagons have altogether? (a) 30 (b) 33 (c) 21 (d) 3
  15. 15.How many sides do 1 hexagon and 2 pentagons have altogether? (a) 17 (b) 6 (c) 10 (d) 16
  16. 16.How many corners do 1 rectangle and 4 squares have altogether? (a) 20 (b) 16 (c) 4 (d) 5
  17. 17.How many sides do 2 triangles and 1 octagon have altogether? (a) 6 (b) 19 (c) 14 (d) 8
  18. 18.How many edges do 2 cubes have altogether? (a) 24 (b) 16 (c) 25 (d) 12
  19. 19.How many sides do 5 triangles and 4 hexagons have altogether? (a) 24 (b) 42 (c) 15 (d) 39
  20. 20.How many sides do 4 octagons and 5 squares have altogether? (a) 32 (b) 20 (c) 52 (d) 56
  21. 21.How many sides do 5 rectangles and 5 pentagons have altogether? (a) 10 (b) 20 (c) 25 (d) 45
  22. 22.How many edges do 3 cubes have altogether? (a) 36 (b) 18 (c) 24 (d) 12
  23. 23.How many sides do 1 octagon and 3 squares have altogether? (a) 28 (b) 20 (c) 12 (d) 8
  24. 24.How many sides do 5 triangles and 5 hexagons have altogether? (a) 30 (b) 45 (c) 15 (d) 10
  25. 25.How many corners do 5 pentagons and 1 octagon have altogether? (a) 8 (b) 25 (c) 33 (d) 45
  26. 26.How many corners do 3 rectangles and 5 pentagons have altogether? (a) 25 (b) 12 (c) 35 (d) 37
  27. 27.How many faces do 5 cubes have altogether? (a) 60 (b) 6 (c) 40 (d) 30
  28. 28.How many corners do 5 cubes have altogether? (a) 40 (b) 60 (c) 30 (d) 8
  29. 29.How many corners do 5 hexagons and 5 triangles have altogether? (a) 15 (b) 45 (c) 10 (d) 30
  30. 30.How many sides do 2 squares and 1 hexagon have altogether? (a) 14 (b) 6 (c) 16 (d) 8
  31. 31.How many sides do 2 hexagons and 2 squares have altogether? (a) 20 (b) 8 (c) 4 (d) 12
  32. 32.How many corners do 3 octagons and 1 square have altogether? (a) 20 (b) 24 (c) 4 (d) 28
  33. 33.How many corners do 3 octagons and 3 squares have altogether? (a) 36 (b) 12 (c) 24 (d) 6
  34. 34.How many sides do 2 pentagons and 4 octagons have altogether? (a) 32 (b) 36 (c) 42 (d) 10
  35. 35.How many sides do 4 rectangles and 4 triangles have altogether? (a) 16 (b) 12 (c) 8 (d) 28
  36. 36.How many sides do 5 triangles and 5 octagons have altogether? (a) 15 (b) 40 (c) 55 (d) 10
  37. 37.How many sides do 1 octagon and 3 rectangles have altogether? (a) 28 (b) 8 (c) 20 (d) 12
  38. 38.How many faces do 4 cubes have altogether? (a) 32 (b) 48 (c) 6 (d) 24
  39. 39.How many sides do 2 pentagons and 1 triangle have altogether? (a) 13 (b) 11 (c) 10 (d) 3
  40. 40.How many sides do 5 squares and 2 octagons have altogether? (a) 48 (b) 20 (c) 36 (d) 16

Answer key

  1. 26
  2. 20
  3. 16
  4. 7
  5. 28
  6. 24
  7. 27
  8. 18
  9. 28
  10. 28
  11. 13
  12. 48
  13. 19
  14. 33
  15. 16
  16. 20
  17. 14
  18. 24
  19. 39
  20. 52
  21. 45
  22. 36
  23. 20
  24. 45
  25. 33
  26. 37
  27. 30
  28. 40
  29. 45
  30. 14
  31. 20
  32. 28
  33. 36
  34. 42
  35. 28
  36. 55
  37. 20
  38. 24
  39. 13
  40. 36

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