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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 594 · 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 2 rectangles and 3 octagons have altogether? (a) 32 (b) 28 (c) 8 (d) 24
  2. 2.How many faces do 5 cubes have altogether? (a) 40 (b) 60 (c) 6 (d) 30
  3. 3.How many sides do 3 rectangles and 2 pentagons have altogether? (a) 12 (b) 22 (c) 23 (d) 10
  4. 4.How many sides do 2 triangles and 4 squares have altogether? (a) 16 (b) 22 (c) 6 (d) 20
  5. 5.How many corners do 3 squares and 3 octagons have altogether? (a) 24 (b) 12 (c) 6 (d) 36
  6. 6.How many corners do 2 squares and 5 rectangles have altogether? (a) 8 (b) 7 (c) 20 (d) 28
  7. 7.How many sides do 3 hexagons and 2 squares have altogether? (a) 8 (b) 18 (c) 26 (d) 24
  8. 8.How many corners do 1 square and 1 rectangle have altogether? (a) 4 (b) 8 (c) 9 (d) 2
  9. 9.How many sides do 1 triangle and 4 squares have altogether? (a) 19 (b) 5 (c) 16 (d) 3
  10. 10.How many edges do 2 cubes have altogether? (a) 24 (b) 16 (c) 25 (d) 12
  11. 11.How many sides do 1 pentagon and 1 hexagon have altogether? (a) 6 (b) 5 (c) 11 (d) 2
  12. 12.How many sides do 2 hexagons and 1 triangle have altogether? (a) 12 (b) 15 (c) 3 (d) 16
  13. 13.How many corners do 1 rectangle and 5 triangles have altogether? (a) 15 (b) 19 (c) 23 (d) 4
  14. 14.How many sides do 4 squares and 4 hexagons have altogether? (a) 24 (b) 40 (c) 16 (d) 8
  15. 15.How many corners do 5 squares and 5 pentagons have altogether? (a) 25 (b) 20 (c) 45 (d) 10
  16. 16.How many edges do 3 cubes have altogether? (a) 12 (b) 18 (c) 24 (d) 36
  17. 17.How many corners do 3 hexagons and 1 triangle have altogether? (a) 18 (b) 3 (c) 21 (d) 15
  18. 18.How many faces do 3 cubes have altogether? (a) 24 (b) 36 (c) 6 (d) 18
  19. 19.How many sides do 3 squares and 4 rectangles have altogether? (a) 12 (b) 7 (c) 28 (d) 16
  20. 20.How many sides do 1 triangle and 5 pentagons have altogether? (a) 20 (b) 3 (c) 28 (d) 25
  21. 21.How many sides do 2 pentagons and 4 squares have altogether? (a) 10 (b) 16 (c) 28 (d) 26
  22. 22.How many faces do 2 cubes have altogether? (a) 16 (b) 6 (c) 12 (d) 24
  23. 23.How many sides do 1 rectangle and 3 octagons have altogether? (a) 20 (b) 28 (c) 24 (d) 4
  24. 24.How many sides do 2 octagons and 5 hexagons have altogether? (a) 16 (b) 46 (c) 30 (d) 52
  25. 25.How many corners do 1 octagon and 2 pentagons have altogether? (a) 8 (b) 10 (c) 18 (d) 21
  26. 26.How many corners do 5 triangles and 4 octagons have altogether? (a) 52 (b) 15 (c) 32 (d) 47
  27. 27.How many edges do 4 cubes have altogether? (a) 32 (b) 24 (c) 12 (d) 48
  28. 28.How many sides do 1 square and 5 rectangles have altogether? (a) 20 (b) 6 (c) 24 (d) 4
  29. 29.How many corners do 2 hexagons and 5 triangles have altogether? (a) 27 (b) 36 (c) 15 (d) 12
  30. 30.How many corners do 1 triangle and 5 pentagons have altogether? (a) 25 (b) 3 (c) 28 (d) 20
  31. 31.How many edges do 5 cubes have altogether? (a) 40 (b) 12 (c) 30 (d) 60
  32. 32.How many sides do 4 squares and 4 rectangles have altogether? (a) 32 (b) 16 (c) 8 (d) 33
  33. 33.How many sides do 3 pentagons and 4 squares have altogether? (a) 31 (b) 15 (c) 16 (d) 32
  34. 34.How many sides do 3 hexagons and 3 triangles have altogether? (a) 6 (b) 18 (c) 27 (d) 9
  35. 35.How many sides do 4 squares and 1 triangle have altogether? (a) 19 (b) 5 (c) 3 (d) 16
  36. 36.How many corners do 3 pentagons and 3 squares have altogether? (a) 12 (b) 15 (c) 6 (d) 27
  37. 37.How many sides do 1 rectangle and 3 hexagons have altogether? (a) 4 (b) 22 (c) 18 (d) 23
  38. 38.How many sides do 1 square and 1 triangle have altogether? (a) 4 (b) 7 (c) 2 (d) 3
  39. 39.How many sides do 2 rectangles and 1 octagon have altogether? (a) 16 (b) 3 (c) 8 (d) 20
  40. 40.How many corners do 3 cubes have altogether? (a) 8 (b) 24 (c) 36 (d) 18

Answer key

  1. 32
  2. 30
  3. 22
  4. 22
  5. 36
  6. 28
  7. 26
  8. 8
  9. 19
  10. 24
  11. 11
  12. 15
  13. 19
  14. 40
  15. 45
  16. 36
  17. 21
  18. 18
  19. 28
  20. 28
  21. 26
  22. 12
  23. 28
  24. 46
  25. 18
  26. 47
  27. 48
  28. 24
  29. 27
  30. 28
  31. 60
  32. 32
  33. 31
  34. 27
  35. 19
  36. 27
  37. 22
  38. 7
  39. 16
  40. 24

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