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Shapes Worksheet for Maths Olympiad Class 4

Maths Olympiad topic 6: Sides, corners and cubes · Set 28 · 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 cubes have altogether? (a) 24 (b) 16 (c) 12 (d) 8
  2. 2.How many corners do 2 rectangles and 1 triangle have altogether? (a) 11 (b) 10 (c) 8 (d) 3
  3. 3.How many sides do 4 rectangles and 1 triangle have altogether? (a) 16 (b) 19 (c) 5 (d) 3
  4. 4.How many sides do 1 triangle and 4 hexagons have altogether? (a) 18 (b) 3 (c) 24 (d) 27
  5. 5.How many corners do 5 cubes have altogether? (a) 60 (b) 8 (c) 30 (d) 40
  6. 6.How many edges do 2 cubes have altogether? (a) 25 (b) 16 (c) 24 (d) 12
  7. 7.How many corners do 4 rectangles and 3 squares have altogether? (a) 7 (b) 12 (c) 16 (d) 28
  8. 8.How many sides do 1 rectangle and 4 hexagons have altogether? (a) 28 (b) 24 (c) 4 (d) 22
  9. 9.How many corners do 3 squares and 5 octagons have altogether? (a) 52 (b) 44 (c) 40 (d) 12
  10. 10.How many corners do 3 cubes have altogether? (a) 8 (b) 18 (c) 24 (d) 36
  11. 11.How many sides do 2 rectangles and 1 hexagon have altogether? (a) 14 (b) 6 (c) 16 (d) 8
  12. 12.How many corners do 2 hexagons and 5 octagons have altogether? (a) 12 (b) 46 (c) 52 (d) 40
  13. 13.How many sides do 4 squares and 2 octagons have altogether? (a) 40 (b) 16 (c) 6 (d) 32
  14. 14.How many corners do 3 triangles and 2 hexagons have altogether? (a) 9 (b) 12 (c) 21 (d) 24
  15. 15.How many corners do 2 pentagons and 5 squares have altogether? (a) 33 (b) 10 (c) 30 (d) 20
  16. 16.How many faces do 2 cubes have altogether? (a) 6 (b) 24 (c) 16 (d) 12
  17. 17.How many sides do 5 triangles and 5 octagons have altogether? (a) 40 (b) 15 (c) 10 (d) 55
  18. 18.How many corners do 1 rectangle and 4 triangles have altogether? (a) 16 (b) 12 (c) 4 (d) 19
  19. 19.How many corners do 2 triangles and 3 squares have altogether? (a) 18 (b) 6 (c) 17 (d) 12
  20. 20.How many corners do 5 triangles and 1 hexagon have altogether? (a) 33 (b) 6 (c) 21 (d) 15
  21. 21.How many corners do 4 squares and 2 octagons have altogether? (a) 32 (b) 6 (c) 40 (d) 16
  22. 22.How many corners do 2 pentagons and 3 octagons have altogether? (a) 31 (b) 10 (c) 24 (d) 34
  23. 23.How many corners do 2 squares and 4 pentagons have altogether? (a) 26 (b) 20 (c) 8 (d) 28
  24. 24.How many sides do 3 triangles and 1 square have altogether? (a) 13 (b) 15 (c) 9 (d) 4
  25. 25.How many sides do 5 rectangles and 1 triangle have altogether? (a) 23 (b) 3 (c) 20 (d) 19
  26. 26.How many sides do 3 hexagons and 1 pentagon have altogether? (a) 21 (b) 5 (c) 18 (d) 23
  27. 27.How many sides do 3 octagons and 2 hexagons have altogether? (a) 12 (b) 24 (c) 36 (d) 34
  28. 28.How many corners do 3 rectangles and 1 pentagon have altogether? (a) 17 (b) 19 (c) 5 (d) 12
  29. 29.How many sides do 3 hexagons and 1 triangle have altogether? (a) 21 (b) 18 (c) 15 (d) 3
  30. 30.How many corners do 3 octagons and 4 rectangles have altogether? (a) 16 (b) 24 (c) 44 (d) 40
  31. 31.How many faces do 4 cubes have altogether? (a) 48 (b) 24 (c) 32 (d) 6
  32. 32.How many corners do 2 rectangles and 1 hexagon have altogether? (a) 6 (b) 16 (c) 14 (d) 8
  33. 33.How many corners do 2 pentagons and 3 squares have altogether? (a) 23 (b) 10 (c) 22 (d) 12
  34. 34.How many corners do 3 pentagons and 3 rectangles have altogether? (a) 6 (b) 15 (c) 12 (d) 27
  35. 35.How many corners do 5 octagons and 5 squares have altogether? (a) 40 (b) 10 (c) 60 (d) 20
  36. 36.How many corners do 2 squares and 3 hexagons have altogether? (a) 24 (b) 26 (c) 8 (d) 18
  37. 37.How many corners do 5 pentagons and 1 hexagon have altogether? (a) 35 (b) 31 (c) 6 (d) 25
  38. 38.How many sides do 1 square and 4 pentagons have altogether? (a) 24 (b) 20 (c) 21 (d) 4
  39. 39.How many faces do 3 cubes have altogether? (a) 18 (b) 24 (c) 36 (d) 6
  40. 40.How many sides do 2 rectangles and 2 squares have altogether? (a) 4 (b) 8 (c) 16 (d) 17

Answer key

  1. 16
  2. 11
  3. 19
  4. 27
  5. 40
  6. 24
  7. 28
  8. 28
  9. 52
  10. 24
  11. 14
  12. 52
  13. 32
  14. 21
  15. 30
  16. 12
  17. 55
  18. 16
  19. 18
  20. 21
  21. 32
  22. 34
  23. 28
  24. 13
  25. 23
  26. 23
  27. 36
  28. 17
  29. 21
  30. 40
  31. 24
  32. 14
  33. 22
  34. 27
  35. 60
  36. 26
  37. 31
  38. 24
  39. 18
  40. 16

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