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Worksheet: Estimating Areas of Irregular Shapes

Q1:

Suppose each square in the shown grid is a 1 × 1 square centimeters. What is the area of the coloured shape?

Q2:

Estimate the area of the figure.

Q3:

Find the area of the shape.

Q4:

Which is the best estimate for the area of this shape? Remember that the area of each small square is 1.

  • A58
  • B40
  • C44
  • D62
  • E60

Q5:

Which is the best estimate for the area of this shape? Remember that the area of each small square is 1.

  • A85
  • B64
  • C88
  • D109
  • E97

Q6:

Find the area of this shape. Remember that the area of each small square is 1.

Q7:

Find the area of this shape. Remember that the area of each small square is 1.

Q8:

Which is the best estimate of the area of the figure?

  • A23.5
  • B27.5
  • C50
  • D38.5
  • E30.5

Q9:

Determine the area of the figure.

  • A13
  • B18
  • C11.5
  • D15.5
  • E20

Q10:

Find the area of the shape given that each square represents 1 square centimeter.

Q11:

A landscape architect designed a pond. Estimate its area.

  • A50
  • B45
  • C53
  • D58
  • E42

Q12:

Find the area of the shape.

Q13:

The diagram shows the floor plan for a tree house. One square on the grid represents 1 square foot. About how many square feet is the area of the floor?

Q14:

Estimate the area of the figure.

  • A20
  • B26
  • C23
  • D33
  • E30

Q15:

Find the area of the shape by counting the squares.

Q16:

Find the area of this shape. Remember that the area of each square is 1.

Q17:

Find the area of this shape. Remember that the area of each square is 1.

Q18:

Estimate the area of the figure.

Q19:

Work out the area of the shaded shape. Each square represents 1 square centimetre.

Q20:

Find the area of this shape. Remember that the area of each small square is 1.

Q21:

Find the area of this shape. Remember that the area of each small square is 1.

Q22:

Estimate the area of the given figure.

  • A16
  • B26
  • C42
  • D34
  • E22