{"product_id":"column-addition-and-subtraction-worksheet","title":"Column Addition \u0026 Subtraction | Interactive Digital Lesson | 7 Units, 78 Questions | KS2 \u0026 11+","description":"\u003cp\u003e\u003cstrong\u003eBy the end of this lesson your child can set out any column addition or subtraction, carry and exchange without losing track of where the ten went, and work out a digit that has been rubbed out of the middle of a sum.\u003c\/strong\u003e The column method is the first place an 11+ paper punishes carelessness rather than knowledge, and a single missed carry costs the whole mark.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTopics covered:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSetting numbers out in columns, lining up place value and working right to left\u003c\/li\u003e\n\u003cli\u003eColumn addition, carrying a ten into the next column, including a carry of 2 from three numbers\u003c\/li\u003e\n\u003cli\u003eColumn subtraction, exchanging from the column on the left, including exchanging across zeros\u003c\/li\u003e\n\u003cli\u003eMissing digit puzzles, finding a digit that has been rubbed out of a written calculation\u003c\/li\u003e\n\u003cli\u003eMissing digits in an addition, using the carry to decide what the hidden digit has to be\u003c\/li\u003e\n\u003cli\u003eMissing digits in a subtraction, deciding whether a column exchanged before reading it\u003c\/li\u003e\n\u003cli\u003eEstimating and checking, rounding first, checking with the inverse, and reading the last digit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eYour child works through this lesson on any screen. They play with the tool at the start of a unit, click to reveal each line of a worked example, set the questions out 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 opens with a worked example your child clicks through one line at a time, then 10 practice questions colour-coded across five levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e78 questions in total\u003c\/strong\u003e, each with a click-to-reveal answer and a reveal-all option, plus a New Questions button that generates a fresh set whenever you want more\u003c\/li\u003e\n\u003cli\u003eA final 12-question mixed challenge pulling from all 7 units, including number pyramids, spot-the-mistake and two-step word problems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTwo tools a printed worksheet cannot give you.\u003c\/strong\u003e A column builder where your child clicks one column at a time and watches the carry or the exchange appear exactly where a pencil would put it, switchable between adding and taking away and across five levels. And a missing digit detective that talks the puzzle through stage by stage, highlighting the column it is discussing and saying what to ask yourself before it gives the answer.\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 3 to Year 7 and loses marks by dropping a carry or forgetting to exchange\u003c\/li\u003e\n\u003cli\u003eYou are preparing for the 11+, where missing digit questions turn up in every arithmetic section\u003c\/li\u003e\n\u003cli\u003eYour child can do the method on a good day but cannot yet check whether an answer is sensible\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 3 to Year 7, KS2, KS3, 11+, SATs.\u003c\/p\u003e","brand":"School House Learning Centre","offers":[{"title":"Default Title","offer_id":53454339244298,"sku":null,"price":2.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/7091\/9434\/files\/column-addition-subtraction-mastery-11-plus-gcse-interactive-lesson-v2.png?v=1785448648","url":"https:\/\/shlc-tutor.co.uk\/products\/column-addition-and-subtraction-worksheet","provider":"SHLC-Tutors","version":"1.0","type":"link"}