Bounds in GCSE Maths: Perimeter & Area of a Rectangle

Here's another video on bounds: https://youtu.be/tLtOWANeiqg This video is a walkthrough of bounds for GCSE maths, and is aimed at around grade 7. Here's the question: 1. A rectangle has a length of 14cm, correct to the nearest cm, and a width of 4.3cm, correct to the nearest mm. a) Calculate the upper bound for the perimeter of the rectangle. (2 marks) b) Calculate the lower bound for the area of the rectangle. (2 marks) #gcse #formula #algebra #maths #math #revision #tutor #grade7 #bounds #number #highschool #math #maths You can download the worksheet on bounds from 3minutemaths, although please do - stop the video - work through the questions - compare your solutions I hope the video helps and please do leave a comment - thanks! Visit @3minutemaths for a full range of quick reminder and GCSE maths walkthrough videos. Join this channel to get access to get your name mentioned in a maths problem! https://www.youtube.com/channel/UCkFmrzcvKEezKfsR-ISTHgA/join HERE’S SOME OF THE LATEST TOPIC VIDEOS (2022 SPECIFICATION): Please visit 3minutemaths to download the worksheets. Combined Pythagoras & SohCahToa - GCSE Maths Questions https://youtu.be/xlK01ipNb5c SohCahToa Trigonometry for Right Angled Triangles https://youtu.be/VpSJ8m5nVHA Revise Grade 6 GCSE Maths - Calculator Paper 2 https://youtu.be/BqLmrg6CVsw How to Answer Indices Maths Questions https://youtu.be/vgvRWQDBcBw Scale Drawings & Map Scales https://youtu.be/amd4jtzSTXc New videos are being added every week :-) HERE'S SOME POPULAR PLAYLISTS THAT MIGHT BE USEFUL Grade 3 ish: https://youtube.com/playlist?list=PLPglScc3TJ-PlUnAmW6qshzFDU01_oaEY Grade 4 ish: https://youtube.com/playlist?list=PLPglScc3TJ-MzLwZxDM1rn_rR3ZJKMAB_ Grade 5 ish: https://youtube.com/playlist?list=PLPglScc3TJ-P0ujnaCqYHz76bTuFsHvfg Grade 6 ish: https://youtube.com/playlist?list=PLPglScc3TJ-NkSR3I0i2MSI5Umj_CBcra Grade 7 - 9 ish: https://youtube.com/playlist?list=PLPglScc3TJ-N74FojLYpFPcBu3sTu8w5D ... AND HERE'S SOME POPULAR TOPIC VIDEOS AIMED AT FOUNDATION / HIGHER CROSSOVER: How to rearrange a formula with factorising https://youtu.be/d_rHJlcOC3k Quick reminder - Stratified sampling GCSE maths https://youtu.be/XLa4ASzL56w Pythagoras - as hard as it gets? https://youtu.be/j4x7xT0xojE Reverse Percentage - sale price & increased price - GCSE maths grade 5 ish https://youtu.be/7tIPhctwEKw Higher Paper Walkthroughs: 🚀 Edexcel Higher November 2018 Paper 1 walkthrough - https://youtube.com/playlist?list=PLPglScc3TJ-NaUfDX9kua34uI6elzaDmP 🎓 Edexcel Higher June 2018 Paper 2 - https://youtube.com/playlist?list=PLPglScc3TJ-Pxm6gwFGuzJzWd-0JfB1DX 📚 AQA Higher June 2018 Paper 3 - https://youtube.com/playlist?list=PLPglScc3TJ-M0anNCckRXOgpwaA2mXZiX Foundation Paper Walkthroughs: 📝 Edexcel Foundation June 2018 Paper 1 - https://youtube.com/playlist?list=PLPglScc3TJ-MIlvTKHWYKeOPix0Fc39xP 📔 Edexcel Foundation November 2018 paper 2 - https://youtube.com/playlist?list=PLPglScc3TJ-OAOr_txwWN-DGEaKK7dh42 📓 AQA Foundation Specimen Paper 2 - https://youtube.com/playlist?list=PLPglScc3TJ-MMlJousgJBhhC-3Zdp1vFD MOST OF THE VIDEOS & QUESTION PAPERS HAVE BEEN POSTED TO: 🌍 https://www.3minutemaths.co.uk/ ​Visit http://www.3minutemaths.co.uk for quick reminder High School GCSE mathematics videos - or subscribe to the channel. You can download the questions from http://www.3minutemaths.co.uk - along with many others aiming to offer quick reminders of the key topics. My new course ‘How to good at mathematics - and great at fractions! is now live on Udemy: https://www.udemy.com/how-you-can-be-good-at-maths-and-great-at-fractions/ or click here for a limited 50% discount!: http://www.udemy.com/how-you-can-be-good-at-maths-and-great-at-fractions/?couponCode=MathsWrap The course contains around 3 hours of video, quizzes and a copy of my book 'How to get an A in maths.' All the way through to GCSE and just in time for revision. ‘How to get an A in maths’ is now available on Amazon and packed full of hints, tips and techniques to help you get the very best from your studies. Or, first chapter FREE on my website http://www.3minutemaths.co.uk - real maths, tips and techniques. http://www.3minutemaths.co.uk is full GCSE past papers, questions by topic and hints and tips to help you get the very best from your studies.