Year 9
Finding the length of a line from tilted squares
Year 9
Finding the length of a line from tilted squares
Slide deck
Download slide deck
Lesson details
Key learning points
- In this lesson, we will learn how to find the length of a line by using triangles and tilted squares.
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.
Video
Share with pupils
Loading...
7 Questions
Q1.
Which of the values shown below is a surd?
10
10.1
Q2.
What is the area of the tilted green square, in square units?
3
4
Q3.
What's the area of the square below, in square units?
10
4
7
Q4.
What's the length of one side of the square shown below?
√10
√4
√7
Q5.
What's the area of the square below, in square units?
12
5
9
Q6.
What's the length of one side of the square shown below?
√12
√5
√9
Q7.
Which of the following squares has a surd side length?
Option 1
Option 2
Option 3
6 Questions
Q1.
What is the length of the line below?
√10
10
17
Q2.
What is the length of the line below?
√8
10
8
Q3.
What is the length of the line below?
√13
√5
12
Q4.
Which statement best describes the blue and red lines shown in the diagram?
The blue and red lines are equal in length.
The blue line is longer than the red line.
Q5.
What is the length of the missing side of the triangle, labelled n?
√3
√6
√7
Q6.
What is the length of the missing side of the triangle, labelled m?
√10
√12