Year 4
To Compare and Classify Isosceles and Scalene Triangles
Year 4
To Compare and Classify Isosceles and Scalene Triangles
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Lesson details
Key learning points
- In this lesson, we will revise the names of different types of triangles. We will look at what they have in common with each other and what makes them different. We will learn the properties of various types of triangles and use correct mathematical vocabulary to describe the features and properties of each. We will focus on scalene and isosceles 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.
All triangles have how many sides?
4
5
Q2.
Angles in a triangle add up to how many degrees?
160°
190°
Q3.
All sides in an equilateral triangle are?
Opposite
Short
Q4.
In a right angled triangle, the side opposite the right angle is always _____________.
parallel
the shortest
Q5.
Triangles can have 2 parallel sides?
Always true
Sometimes true
6 Questions
Q1.
What kind of triangle has 3 identical sides?
Right angled
Scalene
Q2.
Which type of triangle has no equal vertices?
Equilateral
Right angled
Q3.
What kind of triangle is this:
Equilateral
Scalene
Q4.
Which type of triangle has one angle that measures 90 degrees?
isosceles
scalene
Q5.
If one side of an equilateral triangle measures 9cm, what is it's perimeter?
21cm
36cm
Q6.
Triangles have 3 equal length sides.
Always true
Never true