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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 267 · 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 triangles and 1 rectangle have altogether? (a) 16 (b) 19 (c) 12 (d) 4
  2. 2.How many sides do 3 triangles and 4 squares have altogether? (a) 24 (b) 16 (c) 25 (d) 9
  3. 3.How many sides do 2 pentagons and 4 rectangles have altogether? (a) 28 (b) 26 (c) 10 (d) 16
  4. 4.How many sides do 2 hexagons and 4 triangles have altogether? (a) 6 (b) 12 (c) 24 (d) 30
  5. 5.How many sides do 2 squares and 2 pentagons have altogether? (a) 10 (b) 8 (c) 18 (d) 4
  6. 6.How many corners do 4 pentagons and 4 octagons have altogether? (a) 32 (b) 52 (c) 20 (d) 8
  7. 7.How many sides do 4 octagons and 1 pentagon have altogether? (a) 32 (b) 28 (c) 5 (d) 37
  8. 8.How many sides do 1 square and 1 triangle have altogether? (a) 3 (b) 7 (c) 4 (d) 2
  9. 9.How many corners do 2 squares and 2 rectangles have altogether? (a) 17 (b) 16 (c) 8 (d) 4
  10. 10.How many sides do 2 rectangles and 5 squares have altogether? (a) 8 (b) 7 (c) 20 (d) 28
  11. 11.How many corners do 3 pentagons and 2 hexagons have altogether? (a) 15 (b) 27 (c) 28 (d) 12
  12. 12.How many sides do 3 pentagons and 4 squares have altogether? (a) 15 (b) 16 (c) 32 (d) 31
  13. 13.How many corners do 3 cubes have altogether? (a) 36 (b) 8 (c) 18 (d) 24
  14. 14.How many corners do 2 pentagons and 3 triangles have altogether? (a) 10 (b) 19 (c) 21 (d) 9
  15. 15.How many corners do 2 triangles and 1 hexagon have altogether? (a) 15 (b) 3 (c) 12 (d) 6
  16. 16.How many sides do 2 hexagons and 1 pentagon have altogether? (a) 16 (b) 12 (c) 5 (d) 17
  17. 17.How many corners do 5 squares and 1 octagon have altogether? (a) 44 (b) 28 (c) 8 (d) 20
  18. 18.How many sides do 4 hexagons and 4 pentagons have altogether? (a) 44 (b) 8 (c) 24 (d) 20
  19. 19.How many sides do 4 hexagons and 4 rectangles have altogether? (a) 40 (b) 8 (c) 24 (d) 16
  20. 20.How many faces do 3 cubes have altogether? (a) 6 (b) 18 (c) 24 (d) 36
  21. 21.How many corners do 1 hexagon and 1 triangle have altogether? (a) 2 (b) 3 (c) 9 (d) 6
  22. 22.How many faces do 4 cubes have altogether? (a) 32 (b) 48 (c) 24 (d) 6
  23. 23.How many corners do 1 square and 5 octagons have altogether? (a) 40 (b) 28 (c) 4 (d) 44
  24. 24.How many sides do 4 rectangles and 2 octagons have altogether? (a) 16 (b) 6 (c) 40 (d) 32
  25. 25.How many corners do 5 rectangles and 2 squares have altogether? (a) 7 (b) 8 (c) 20 (d) 28
  26. 26.How many sides do 3 pentagons and 5 rectangles have altogether? (a) 37 (b) 15 (c) 20 (d) 35
  27. 27.How many sides do 1 pentagon and 4 hexagons have altogether? (a) 5 (b) 26 (c) 29 (d) 24
  28. 28.How many corners do 2 rectangles and 1 octagon have altogether? (a) 3 (b) 8 (c) 16 (d) 20
  29. 29.How many edges do 5 cubes have altogether? (a) 40 (b) 12 (c) 60 (d) 30
  30. 30.How many sides do 2 squares and 1 triangle have altogether? (a) 10 (b) 8 (c) 3 (d) 11
  31. 31.How many sides do 1 pentagon and 4 squares have altogether? (a) 24 (b) 16 (c) 21 (d) 5
  32. 32.How many sides do 5 hexagons and 2 rectangles have altogether? (a) 30 (b) 32 (c) 8 (d) 38
  33. 33.How many corners do 2 cubes have altogether? (a) 16 (b) 8 (c) 24 (d) 12
  34. 34.How many sides do 5 triangles and 3 rectangles have altogether? (a) 29 (b) 12 (c) 15 (d) 27
  35. 35.How many corners do 3 squares and 4 triangles have altogether? (a) 25 (b) 24 (c) 12 (d) 7
  36. 36.How many edges do 3 cubes have altogether? (a) 12 (b) 36 (c) 24 (d) 18
  37. 37.How many sides do 1 octagon and 3 triangles have altogether? (a) 17 (b) 27 (c) 9 (d) 8
  38. 38.How many corners do 5 hexagons and 5 triangles have altogether? (a) 45 (b) 15 (c) 10 (d) 30
  39. 39.How many faces do 5 cubes have altogether? (a) 60 (b) 6 (c) 30 (d) 40
  40. 40.How many sides do 2 rectangles and 4 triangles have altogether? (a) 20 (b) 12 (c) 22 (d) 8

Answer key

  1. 16
  2. 25
  3. 26
  4. 24
  5. 18
  6. 52
  7. 37
  8. 7
  9. 16
  10. 28
  11. 27
  12. 31
  13. 24
  14. 19
  15. 12
  16. 17
  17. 28
  18. 44
  19. 40
  20. 18
  21. 9
  22. 24
  23. 44
  24. 32
  25. 28
  26. 35
  27. 29
  28. 16
  29. 60
  30. 11
  31. 21
  32. 38
  33. 16
  34. 27
  35. 24
  36. 36
  37. 17
  38. 45
  39. 30
  40. 20

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