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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 101 · 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 1 pentagon and 3 hexagons have altogether? (a) 23 (b) 5 (c) 18 (d) 21
  2. 2.How many faces do 3 cubes have altogether? (a) 6 (b) 36 (c) 24 (d) 18
  3. 3.How many sides do 4 squares and 1 triangle have altogether? (a) 16 (b) 19 (c) 5 (d) 3
  4. 4.How many corners do 2 squares and 5 pentagons have altogether? (a) 33 (b) 30 (c) 8 (d) 25
  5. 5.How many sides do 1 square and 4 rectangles have altogether? (a) 16 (b) 5 (c) 20 (d) 4
  6. 6.How many sides do 5 pentagons and 4 rectangles have altogether? (a) 25 (b) 41 (c) 16 (d) 40
  7. 7.How many sides do 1 square and 1 rectangle have altogether? (a) 4 (b) 8 (c) 9 (d) 2
  8. 8.How many sides do 5 triangles and 1 square have altogether? (a) 15 (b) 19 (c) 23 (d) 4
  9. 9.How many corners do 5 cubes have altogether? (a) 40 (b) 30 (c) 8 (d) 60
  10. 10.How many corners do 2 cubes have altogether? (a) 12 (b) 24 (c) 16 (d) 8
  11. 11.How many sides do 5 rectangles and 4 triangles have altogether? (a) 20 (b) 12 (c) 32 (d) 31
  12. 12.How many corners do 1 pentagon and 1 rectangle have altogether? (a) 4 (b) 9 (c) 5 (d) 2
  13. 13.How many corners do 3 rectangles and 2 hexagons have altogether? (a) 12 (b) 24 (c) 5 (d) 26
  14. 14.How many sides do 1 square and 4 hexagons have altogether? (a) 28 (b) 22 (c) 24 (d) 4
  15. 15.How many sides do 4 hexagons and 5 triangles have altogether? (a) 42 (b) 39 (c) 15 (d) 24
  16. 16.How many faces do 2 cubes have altogether? (a) 12 (b) 6 (c) 16 (d) 24
  17. 17.How many sides do 5 octagons and 1 rectangle have altogether? (a) 28 (b) 40 (c) 44 (d) 4
  18. 18.How many corners do 5 triangles and 5 squares have altogether? (a) 35 (b) 15 (c) 20 (d) 10
  19. 19.How many corners do 3 triangles and 2 squares have altogether? (a) 9 (b) 17 (c) 8 (d) 18
  20. 20.How many sides do 1 pentagon and 3 rectangles have altogether? (a) 5 (b) 12 (c) 19 (d) 17
  21. 21.How many corners do 1 triangle and 1 octagon have altogether? (a) 8 (b) 2 (c) 3 (d) 11
  22. 22.How many corners do 4 rectangles and 3 hexagons have altogether? (a) 18 (b) 16 (c) 34 (d) 36
  23. 23.How many sides do 3 octagons and 2 triangles have altogether? (a) 30 (b) 25 (c) 6 (d) 24
  24. 24.How many sides do 4 pentagons and 2 rectangles have altogether? (a) 26 (b) 8 (c) 28 (d) 20
  25. 25.How many edges do 3 cubes have altogether? (a) 18 (b) 36 (c) 12 (d) 24
  26. 26.How many sides do 2 squares and 4 pentagons have altogether? (a) 8 (b) 26 (c) 28 (d) 20
  27. 27.How many corners do 5 triangles and 2 rectangles have altogether? (a) 26 (b) 23 (c) 15 (d) 8
  28. 28.How many corners do 3 squares and 5 pentagons have altogether? (a) 37 (b) 35 (c) 12 (d) 25
  29. 29.How many sides do 2 hexagons and 5 triangles have altogether? (a) 27 (b) 12 (c) 15 (d) 36
  30. 30.How many sides do 1 rectangle and 2 triangles have altogether? (a) 6 (b) 10 (c) 11 (d) 4
  31. 31.How many faces do 4 cubes have altogether? (a) 32 (b) 6 (c) 48 (d) 24
  32. 32.How many edges do 4 cubes have altogether? (a) 48 (b) 24 (c) 32 (d) 12
  33. 33.How many sides do 2 triangles and 3 squares have altogether? (a) 12 (b) 18 (c) 6 (d) 17
  34. 34.How many sides do 3 triangles and 3 hexagons have altogether? (a) 18 (b) 6 (c) 27 (d) 9
  35. 35.How many sides do 1 hexagon and 4 rectangles have altogether? (a) 28 (b) 16 (c) 22 (d) 6
  36. 36.How many corners do 5 pentagons and 5 hexagons have altogether? (a) 30 (b) 55 (c) 10 (d) 25
  37. 37.How many sides do 2 squares and 3 pentagons have altogether? (a) 23 (b) 22 (c) 8 (d) 15
  38. 38.How many sides do 1 pentagon and 5 triangles have altogether? (a) 28 (b) 5 (c) 20 (d) 15
  39. 39.How many corners do 4 triangles and 5 hexagons have altogether? (a) 39 (b) 30 (c) 42 (d) 12
  40. 40.How many sides do 5 pentagons and 5 squares have altogether? (a) 25 (b) 10 (c) 45 (d) 20

Answer key

  1. 23
  2. 18
  3. 19
  4. 33
  5. 20
  6. 41
  7. 8
  8. 19
  9. 40
  10. 16
  11. 32
  12. 9
  13. 24
  14. 28
  15. 39
  16. 12
  17. 44
  18. 35
  19. 17
  20. 17
  21. 11
  22. 34
  23. 30
  24. 28
  25. 36
  26. 28
  27. 23
  28. 37
  29. 27
  30. 10
  31. 24
  32. 48
  33. 18
  34. 27
  35. 22
  36. 55
  37. 23
  38. 20
  39. 42
  40. 45

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