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Lesson: Estimating Areas of Irregular Shapes

Sample Question Videos

Worksheet • 25 Questions • 4 Videos

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.

  • A25.5
  • B24
  • C23
  • D28
  • E16.5

Q3:

Find the area of the shape.

  • A14
  • B15
  • C16
  • D10
  • E12

Q4:

Find the area of the shape.

  • A12
  • B13
  • C14
  • D11
  • E10

Q5:

Determine the area of the figure.

  • A15.5
  • B20
  • C18
  • D11.5
  • E13

Q6:

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

  • A 13.5 cm2
  • B 12 cm2
  • C 11 cm2
  • D 10 cm2
  • E 16 cm2

Q7:

Jacob made this sign for his yard sale; find its area.

Q8:

Ethan made this sign for his yard sale; find its area.

Q9:

Ethan made this sign for his yard sale; find its area.

Q10:

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

Q11:

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

Q12:

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

Q13:

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

Q14:

Find the area of the shape by counting the squares.

Q15:

Estimate the area of the figure.

  • A23
  • B21
  • C18
  • D26
  • E28

Q16:

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

  • A109
  • B97
  • C64
  • D88
  • E85

Q17:

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

  • A62
  • B60
  • C40
  • D44
  • E58

Q18:

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

Q19:

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

Q20:

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

Q21:

Estimate the area of the given figure.

  • A34
  • B22
  • C26
  • D42
  • E16

Q22:

Estimate the area of the figure.

  • A33
  • B30
  • C26
  • D23
  • E20

Q23:

A landscape architect designed a pond. Estimate its area.

  • A58
  • B42
  • C45
  • D53
  • E50

Q24:

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

  • A38.5
  • B30.5
  • C27.5
  • D50
  • E23.5

Q25:

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?

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