Powers and roots using a calculator
I can use the keys for squares and other powers and square root on a calculator.
Powers and roots using a calculator
I can use the keys for squares and other powers and square root on a calculator.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- The square root of any number can be found using a calculator but it may not be an integer.
- The power button on a calculator can be used to evaluate a number written using exponents.
- The 10^x button on a calculator can be used when the base is 10.
Keywords
Evaluate - Evaluate means to find the value of a numerical or an algebraic expression.
Common misconception
Students forget to scroll right to exit the exponent function.
Encourage students to check what they have on their screen matches the calculation exactly.
To help you plan your year 7 maths lesson on: Powers and roots using a calculator, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 7 maths lesson on: Powers and roots using a calculator, 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 3 maths lessons from the Properties of number: factors, multiples, squares and cubes unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Equipment
