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Olympiad (Class 5) Perimeter and Area — practice questions — page 2

Explore 66 free Perimeter and Area questions in Olympiad (Class 5) Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Perimeter and Area questions and exercises with answers

Showing questions 31–60 of 66.

Fields are shared by boundary length only. Why is this unfair?Read the answer and worked solution →A piece is cut off a flat shape. What is certain about its area?Read the answer and worked solution →What is the perimeter of a circle usually called?Read the answer and worked solution →A wheel turns once on the road. The distance it rolls equals which length?Read the answer and worked solution →To put lace around the edge of a square cloth, which measure is needed?Read the answer and worked solution →To buy enough grass seed for a lawn, which measure of the lawn do you need?Read the answer and worked solution →Which job needs the area of a room, not its perimeter?Read the answer and worked solution →What is the SI unit of area?Read the answer and worked solution →How many square centimetres make 1 square metre?Read the answer and worked solution →A field is 200 m long and 150 m wide. How many hectares is it?Read the answer and worked solution →A plot is 20 m by 10 m. Its area in ares is how many?Read the answer and worked solution →A hectare is made of how many ares?Read the answer and worked solution →An acre is roughly what part of a hectare?Read the answer and worked solution →1 foot equals 12 inches. How many square inches make 1 square foot?Read the answer and worked solution →The side of a square becomes 3 times longer. By what factor does its area grow?Read the answer and worked solution →A rectangle is 10 cm by 8 cm. Both its length and width are halved. What is the new area?Read the answer and worked solution →Only the length of a rectangle is doubled and its width is unchanged. What happens to the area?Read the answer and worked solution →Which shape is a rectangle with four sides of equal length?Read the answer and worked solution →How many lines of reflection symmetry does a rectangle that is not a square have?Read the answer and worked solution →How many right angles does every rectangle have?Read the answer and worked solution →At what angle do the two diagonals of a square cross each other?Read the answer and worked solution →Each diagonal of a square cuts a corner angle into two equal parts. How big is each part?Read the answer and worked solution →Which statement about a square is correct?Read the answer and worked solution →A square has how many sides and how many equal angles?Read the answer and worked solution →Why are floor tiles and chessboards often made of squares?Read the answer and worked solution →A rectangular lawn is 30 m long and 20 m wide. A fence runs round it. What is the fence length?Read the answer and worked solution →A rectangular hall is 18 m by 12 m. How many square metres of carpet cover it?Read the answer and worked solution →A square has an area of 64 sq cm. What is its perimeter?Read the answer and worked solution →A rectangular page has area 150 sq cm and width 10 cm. What is its length?Read the answer and worked solution →A rectangle is twice as long as it is wide, and its width is 5 cm. What is its perimeter?Read the answer and worked solution →

Worked practice questions

Fields are shared by boundary length only. Why is this unfair?

  1. Crops depend on area, not boundary
  2. Boundaries of fields are always equal
  3. Fields have no area to measure
  4. Area depends on field colour
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Correct answer: A. Crops depend on area, not boundary

A field's crop depends on how much land it has, which is its area, and a long boundary may still hold little land.

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A piece is cut off a flat shape. What is certain about its area?

  1. It becomes larger
  2. It stays the same
  3. It becomes smaller
  4. It becomes double
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Correct answer: C. It becomes smaller

Taking material away leaves less surface, though the boundary length may not change.

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What is the perimeter of a circle usually called?

  1. Its diameter line
  2. Its radius line
  3. Its circumference
  4. Its chord length
Show answer and solution

Correct answer: C. Its circumference

The distance round a circle has its own name, the circumference.

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