{"product_id":"probability-tree-diagrams-worksheet","title":"Probability with Multiple Events Mastery | Interactive Digital Lesson | 6 Units, 88 Questions | 11+ \u0026 GCSE","description":"\u003cp\u003e\u003cstrong\u003eBy the end of this lesson your child can look at any two event probability question, a sample space grid, a tree diagram, or two counters taken from a bag, and know straight away whether to multiply, add, or take the answer from 1.\u003c\/strong\u003e One event on its own is straightforward. The marks are lost on the second event, because that is where the method changes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTopics covered:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSample spaces for two events, listing every outcome in a grid before counting\u003c\/li\u003e\n\u003cli\u003eThe AND rule, multiplying the chances of two independent events\u003c\/li\u003e\n\u003cli\u003eTree diagrams for two independent events, multiplying along a route and adding separate routes\u003c\/li\u003e\n\u003cli\u003eTwo picks without replacement, where the second fraction changes because a counter has gone\u003c\/li\u003e\n\u003cli\u003eDeciding whether two events are independent or dependent, and saying why\u003c\/li\u003e\n\u003cli\u003eAt least one questions, worked by taking the chance of none away from 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eYour child works through this lesson on any screen. They click to reveal each step of a worked example, try the practice questions on paper, then click to check their own answer. A Card Sort tool sits inside the lesson, dealing real situations one card at a time, a die rolled twice, a sweet eaten before the next pick, so your child decides independent or dependent and reads why before taking the next card.\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 practice questions colour-coded easy, medium and hard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e88 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 6 units, the way probability actually shows up on an exam paper\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe step most worksheets skip.\u003c\/strong\u003e On a without replacement question, the tree is drawn one branch at a time and the counters sit next to it, with the counter that was just taken crossed out. Your child sees the bag go from 9 counters to 8, so the second fraction is something they can count rather than a rule they have to remember.\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 two event probability questions are costing them marks\u003c\/li\u003e\n\u003cli\u003eYou're preparing for the 11+, where sample space grids and tree diagrams come up regularly\u003c\/li\u003e\n\u003cli\u003eYour child is doing GCSE Foundation and tree diagrams have never quite clicked\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\u003eBetter value as a bundle.\u003c\/strong\u003e This lesson is one of 3 in the \u003ca href=\"https:\/\/shlc-tutor.co.uk\/products\/probability-bundle\"\u003eProbability Bundle\u003c\/a\u003e, all 3 for £11.99 instead of £17.97 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 4 to Year 11, 11+, KS2, KS3, KS4, GCSE Foundation.\u003c\/p\u003e","brand":"School House Learning Centre","offers":[{"title":"Default Title","offer_id":53546767450378,"sku":null,"price":5.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/7091\/9434\/files\/probability-with-multiple-events-mastery-11-plus-gcse-interactive-lesson.png?v=1787354986","url":"https:\/\/shlc-tutor.co.uk\/products\/probability-tree-diagrams-worksheet","provider":"SHLC Tutors","version":"1.0","type":"link"}