{"product_id":"substitution-worksheet","title":"Substitution Mastery | Interactive Digital Lesson | 4 Units, 60 Questions | 11+ \u0026 GCSE","description":"\u003cp\u003e\u003cstrong\u003eBy the end of this lesson your child can look at any substitution question, one-step, two-step, squaring, or two variables at once, and know instantly which order to work through it.\u003c\/strong\u003e Substitution sits underneath almost every algebra topic on the 11+ and GCSE paper, so a shaky method here costs marks well beyond the substitution questions themselves.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTopics covered:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne-step substitution, swapping a letter for its number in a simple expression\u003c\/li\u003e\n\u003cli\u003eSquaring and order of operations, for example substituting a negative number into an expression with a power\u003c\/li\u003e\n\u003cli\u003eTwo-step expressions, where two operations have to happen in the right order\u003c\/li\u003e\n\u003cli\u003eThree- and four-step expressions, building up to longer multi-operation expressions\u003c\/li\u003e\n\u003cli\u003eSubstituting into expressions with more than one variable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eYour child explores three interactive bar-model tools to build intuition, clicks to reveal each step of a worked example, tries the practice questions on paper, then clicks 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 opens with a worked example your child clicks through line by line, then 10 practice questions colour-coded easy, medium and hard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 questions in total\u003c\/strong\u003e, each with a click-to-reveal answer and a reveal-all option\u003c\/li\u003e\n\u003cli\u003eA final 20-question mixed challenge pulling from all 4 units, the way substitution actually shows up on an exam paper\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSubstituting a negative number into a squared term is one of the most common marks lost at 11+ and GCSE Foundation. Students see c² and square first, then forget the negative sign has to go in before the operation. The bar model in this lesson shows exactly what gets substituted and when, so the habit forms early.\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 in Year 4 to Year 11 and needs to build algebra confidence\u003c\/li\u003e\n\u003cli\u003eYou're preparing for the 11+, where substitution underpins most of the algebra section\u003c\/li\u003e\n\u003cli\u003eYour child is doing GCSE Foundation and loses marks to sign errors or order-of-operations slips\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\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 4 to Year 11, 11+, KS2, KS3, KS4, GCSE Foundation.\u003c\/p\u003e","brand":"SHLC-Tutors","offers":[{"title":"Default Title","offer_id":53371192803594,"sku":null,"price":2.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/7091\/9434\/files\/substitution-mastery-11-plus-gcse-interactive-lesson.png?v=1784169259","url":"https:\/\/shlc-tutor.co.uk\/products\/substitution-worksheet","provider":"SHLC-Tutors","version":"1.0","type":"link"}