More Lessons for A Level Maths

Math Worksheets

Videos, activities and worksheets that are suitable for A Level Maths to help students learn about arithmetic progression and how to find the nth term and the sum of the first n terms.

Arithmetic Progressions : Introduction

In this video tutorial you are introduced to what an arithmetic progression is and how to find the nth term and the sum of the first n terms.

In this tutorial I show you how to prove the formulae for the sum S(n) of the first n terms of an arithmetic progression which is often asked in exams.

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.