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Lesson details

Key learning points

  1. In this lesson, we will explore how to find the area of tilted squares using subtraction of triangles.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
What is the area of the square shown below, in square unit?
An image in a quiz
12
Correct answer: 16
8
Q2.
Which is not a strategy for finding the area of a square on a grid?
Correct answer: Adding all the sides up.
Counting squares.
Finding the area of the surrounding shapes and subtracting it from the larger grid.
Splitting the square into smaller shapes, finding the area of each shape and adding them up.
Q3.
What is the area of the square shown below, in square unit?
An image in a quiz
10
4
6
Correct answer: 8
Q4.
What is the area of the square shown below, in square unit?
An image in a quiz
Correct answer: 10
12
6
8
Q5.
What is the area of the square shown below, in square unit?
An image in a quiz
11
Correct answer: 13
15
9