{"product_id":"arithmetic-sequences-series-worksheet","title":"Arithmetic Sequences and Series Mastery | Interactive Digital Lesson | 7 Units, 343 Questions | IGCSE Higher","description":"\u003cp\u003e\u003cstrong\u003eBy the end of this lesson your child can find any term of an arithmetic sequence, work out the first term and common difference from two clues, add up a series with the sum formula, and work backwards from a sum to the number of terms.\u003c\/strong\u003e GCSE teaches the nth term of a sequence, but adding up an arithmetic series is only on the Edexcel IGCSE Higher paper, so a student who has learnt everything from GCSE can still meet a question they have never seen.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAn extra IGCSE topic, not a full IGCSE course.\u003c\/strong\u003e This is one of 4 lessons covering the topics on the Edexcel IGCSE Higher specification that GCSE does not teach. It is for students who are already working through the GCSE Higher content. The topics IGCSE shares with GCSE, such as algebra, graphs and trigonometry, are in our \u003ca href=\"https:\/\/shlc-tutor.co.uk\/pages\/gcse-higher-maths-lessons\"\u003eGCSE Higher lessons\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTopics covered:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe nth term, using uₙ = a + (n − 1)d to find a term, write the nth term and check whether a number is in the sequence\u003c\/li\u003e\n\u003cli\u003eFinding a and d from two terms, including terms written in k and terms written in algebra\u003c\/li\u003e\n\u003cli\u003eThe sum of a series with Sₙ = n\/2 [2a + (n − 1)d], starting from the terms, the last term or an nth term\u003c\/li\u003e\n\u003cli\u003eWorking backwards from a sum to find the number of terms, the first term or the common difference, including polygon angle questions\u003c\/li\u003e\n\u003cli\u003eParts of a series, such as the sum of the 10th to 20th terms, the multiples between two numbers and the middle term\u003c\/li\u003e\n\u003cli\u003eShow that and proof questions, including the sum of 1 + 2 + 3 + ... + n\u003c\/li\u003e\n\u003cli\u003eLinking two sums, where one sum is a multiple of another, which is where the hardest IGCSE questions come from\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eYour child works through this lesson on a laptop or computer, which is the screen size it is built for. They click to reveal each line of a worked example, try the practice questions on paper, then click to check their own answer.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow it's structured:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEach unit is split into 5 tabs, one per question type, with a worked example your child clicks through line by line, then practice questions colour coded easy, medium and hard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e37 worked examples and 343 practice questions\u003c\/strong\u003e, each with a click-to-reveal answer, plus New Questions and New Examples buttons that deal fresh numbers every time\u003c\/li\u003e\n\u003cli\u003eA 20 question final mix pulling from every unit, then 6 exam style IGCSE Higher questions with the worked answer revealed one line at a time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhere the sum formula comes from.\u003c\/strong\u003e In the Add It Twice tool your child sets the first term, the difference and the number of terms, then adds the series to a copy of itself turned round. Every column comes out the same height, and that picture is the formula. A student who has seen it can rebuild the formula in the exam rather than rely on remembering it.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUse this if:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYour child is sitting Edexcel IGCSE Maths Higher (4MA1) and has not been taught arithmetic series yet\u003c\/li\u003e\n\u003cli\u003eYour child is confident with GCSE Higher content and needs the extra IGCSE topics on top\u003c\/li\u003e\n\u003cli\u003eYour child can find the nth term but gets stuck when a question gives the sum and asks for the number of terms\u003c\/li\u003e\n\u003cli\u003eYou want a resource your child can check their own work with, not one more thing on your to-do list\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBuilt by an \u003cstrong\u003eexperienced maths teacher\u003c\/strong\u003e with over 3,000 hours of one-to-one tutoring experience and a Master's in Education.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBetter value as a bundle.\u003c\/strong\u003e This lesson is one of 4 in the \u003ca href=\"https:\/\/shlc-tutor.co.uk\/products\/igcse-higher-maths-extra-topics-bundle\"\u003eIGCSE Higher Maths: The Extra Topics Bundle\u003c\/a\u003e, all 4 for £21.99 instead of £31.96 bought separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e Interactive digital lesson, link sent by email straight after purchase.\u003cbr\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e Year 10 and Year 11, IGCSE Higher (Edexcel 4MA1).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefunds:\u003c\/strong\u003e this is a digital product delivered instantly, so it cannot be returned or refunded once the link has been opened. If you have any trouble getting in, email \u003ca href=\"mailto:info@shlc-tutor.co.uk\"\u003einfo@shlc-tutor.co.uk\u003c\/a\u003e and we will sort it out.\u003c\/p\u003e\n","brand":"School House Learning Centre","offers":[{"title":"Default Title","offer_id":54097640227082,"sku":null,"price":7.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/7091\/9434\/files\/arithmetic-sequences-series-igcse-higher-interactive-lesson.png?v=1794343761","url":"https:\/\/shlc-tutor.co.uk\/products\/arithmetic-sequences-series-worksheet","provider":"SHLC Tutors","version":"1.0","type":"link"}