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Lesson details

Key learning points

  1. In this lesson, we will use different square units to describe area and use informal counting strategies to calculate area.

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5 Questions

Q1.
Fill in the gap: Perimeter is a measure of the total _________ around the outside of a shape.
Correct answer: distance
estimate
space
Q2.
Fill in the gap: We record perimeter using units of __________, such as m, cm and mm.
Correct answer: distance
estimate
space
Q3.
Find the perimeter of this shape.
An image in a quiz
14cm
Correct answer: 18 cm
20cm
24cm
Q4.
One side of a square is 8m. What is the perimeter of the square?
16 m
Correct answer: 32 m
64 m
8 m
Q5.
A regular pentagon has a perimeter of 50mm. What is the length of one side of the pentagon?
10cm
Correct answer: 10mm
5cm
5mm

5 Questions

Q1.
Fill in the gap: Area is a measure of the __________ inside the boundary of a shape.
numbers
Correct answer: space
triangular
Q2.
Fill in the gap: We can use different ____________ to record the area of a shape.
numbers
space
triangular
Correct answer: units
Q3.
Fill in the gap: Shape A has an area of ________ square units.
An image in a quiz
12
13
Correct answer: 14
15
Q4.
Fill in the gap: Shape B has an area of 12 ____________ units.
An image in a quiz
centimetres
circular
square
Correct answer: triangular
Q5.
What is the area of this shape?
An image in a quiz
28 square units
Correct answer: 29 square units
30 square units
31 triangular units

Lesson appears in

UnitMaths / Area of 2-D shapes