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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 275 · 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 5 pentagons and 3 hexagons have altogether? (a) 43 (b) 18 (c) 45 (d) 25
  2. 2.How many corners do 1 hexagon and 2 rectangles have altogether? (a) 8 (b) 16 (c) 6 (d) 14
  3. 3.How many corners do 5 cubes have altogether? (a) 60 (b) 30 (c) 40 (d) 8
  4. 4.How many corners do 1 hexagon and 1 rectangle have altogether? (a) 6 (b) 4 (c) 2 (d) 10
  5. 5.How many corners do 3 squares and 2 triangles have altogether? (a) 18 (b) 17 (c) 12 (d) 6
  6. 6.How many sides do 3 hexagons and 3 octagons have altogether? (a) 18 (b) 6 (c) 24 (d) 42
  7. 7.How many corners do 1 octagon and 2 rectangles have altogether? (a) 16 (b) 20 (c) 3 (d) 8
  8. 8.How many sides do 1 pentagon and 4 hexagons have altogether? (a) 24 (b) 26 (c) 5 (d) 29
  9. 9.How many sides do 2 hexagons and 4 pentagons have altogether? (a) 34 (b) 12 (c) 32 (d) 20
  10. 10.How many sides do 2 pentagons and 1 square have altogether? (a) 10 (b) 13 (c) 14 (d) 4
  11. 11.How many sides do 4 pentagons and 2 triangles have altogether? (a) 22 (b) 20 (c) 6 (d) 26
  12. 12.How many sides do 4 pentagons and 1 octagon have altogether? (a) 20 (b) 8 (c) 37 (d) 28
  13. 13.How many corners do 4 cubes have altogether? (a) 24 (b) 32 (c) 8 (d) 48
  14. 14.How many faces do 2 cubes have altogether? (a) 24 (b) 16 (c) 12 (d) 6
  15. 15.How many sides do 2 triangles and 3 rectangles have altogether? (a) 18 (b) 6 (c) 12 (d) 17
  16. 16.How many faces do 5 cubes have altogether? (a) 30 (b) 40 (c) 6 (d) 60
  17. 17.How many corners do 2 cubes have altogether? (a) 24 (b) 12 (c) 16 (d) 8
  18. 18.How many faces do 3 cubes have altogether? (a) 6 (b) 36 (c) 18 (d) 24
  19. 19.How many sides do 5 rectangles and 3 squares have altogether? (a) 32 (b) 8 (c) 12 (d) 20
  20. 20.How many corners do 1 pentagon and 3 rectangles have altogether? (a) 5 (b) 12 (c) 17 (d) 19
  21. 21.How many corners do 5 rectangles and 4 pentagons have altogether? (a) 40 (b) 20 (c) 9 (d) 41
  22. 22.How many sides do 1 triangle and 5 rectangles have altogether? (a) 20 (b) 3 (c) 19 (d) 23
  23. 23.How many corners do 2 rectangles and 2 squares have altogether? (a) 8 (b) 16 (c) 4 (d) 17
  24. 24.How many sides do 1 pentagon and 1 hexagon have altogether? (a) 2 (b) 5 (c) 11 (d) 6
  25. 25.How many corners do 1 pentagon and 4 rectangles have altogether? (a) 16 (b) 5 (c) 24 (d) 21
  26. 26.How many corners do 5 octagons and 2 triangles have altogether? (a) 46 (b) 40 (c) 31 (d) 6
  27. 27.How many corners do 1 hexagon and 3 triangles have altogether? (a) 21 (b) 15 (c) 9 (d) 6
  28. 28.How many sides do 2 squares and 1 pentagon have altogether? (a) 13 (b) 5 (c) 14 (d) 8
  29. 29.How many corners do 2 rectangles and 1 hexagon have altogether? (a) 14 (b) 8 (c) 16 (d) 6
  30. 30.How many sides do 2 rectangles and 2 octagons have altogether? (a) 8 (b) 16 (c) 24 (d) 4
  31. 31.How many sides do 2 hexagons and 4 rectangles have altogether? (a) 32 (b) 12 (c) 16 (d) 28
  32. 32.How many corners do 1 square and 3 rectangles have altogether? (a) 12 (b) 4 (c) 16 (d) 17
  33. 33.How many sides do 4 pentagons and 1 hexagon have altogether? (a) 26 (b) 29 (c) 6 (d) 20
  34. 34.How many sides do 1 hexagon and 2 triangles have altogether? (a) 6 (b) 12 (c) 3 (d) 15
  35. 35.How many edges do 3 cubes have altogether? (a) 36 (b) 24 (c) 18 (d) 12
  36. 36.How many sides do 4 triangles and 4 squares have altogether? (a) 8 (b) 28 (c) 16 (d) 12
  37. 37.How many corners do 2 hexagons and 1 rectangle have altogether? (a) 16 (b) 4 (c) 14 (d) 12
  38. 38.How many sides do 3 pentagons and 5 squares have altogether? (a) 20 (b) 15 (c) 37 (d) 35
  39. 39.How many edges do 2 cubes have altogether? (a) 12 (b) 16 (c) 25 (d) 24
  40. 40.How many edges do 4 cubes have altogether? (a) 32 (b) 24 (c) 12 (d) 48

Answer key

  1. 43
  2. 14
  3. 40
  4. 10
  5. 18
  6. 42
  7. 16
  8. 29
  9. 32
  10. 14
  11. 26
  12. 28
  13. 32
  14. 12
  15. 18
  16. 30
  17. 16
  18. 18
  19. 32
  20. 17
  21. 40
  22. 23
  23. 16
  24. 11
  25. 21
  26. 46
  27. 15
  28. 13
  29. 14
  30. 24
  31. 28
  32. 16
  33. 26
  34. 12
  35. 36
  36. 28
  37. 16
  38. 35
  39. 24
  40. 48

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