The distributive law with surds
I can apply the distributive law to expressions involving surds.
The distributive law with surds
I can apply the distributive law to expressions involving surds.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- Knowing how to perform arithmetic operations with surds means the distributive law can be considered.
- Surds could be seen in either the term or the binomial.
Keywords
Distributive law - The distributive law says that multiplying a sum is the same as multiplying each addend and summing the result.
Common misconception
Pupils may struggle with applying the distributive law to expressions involving surds.
The area model can be used here to demonstrate how terms are multiplied when expanding the bracket.
To help you plan your year 10 maths lesson on: The distributive law with surds, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 10 maths lesson on: The distributive law with surds, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
Our video is a tool for planning, showing how other teachers might teach the lesson, offering helpful tips, modelled explanations and inspiration for your own delivery in the classroom. Plus, you can set it as homework or revision for pupils and keep their learning on track by sharing an online pupil version of this lesson.
Explore more key stage 4 maths lessons from the Surds unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Equipment
Licence
Starter quiz
6 Questions
Exit quiz
6 Questions
The distributive law -
$$a(b+c) = ab + ac$$
The associative law -
$$(a+b) + c = a + (b + c)$$
The commutative law -
$$a+b = b+a$$