WebThe H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is: 276 299 322 345 3. Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ? 4 10 15 16 4. http://mathsanswers.org.uk/gcse/TopicList/040_Primes,_Factors,_LCM,_HCF,_etc/Primes,_Factors,_LCM,_HCF,_etc-PPQs.pdf
GCSE 9-1 Exam Question Practice (HCF + LCM) Teaching Resources
WebMar 5, 2014 · 9-1 GCSE Maths Highest Common Factor & Lowest Common Multiple HCF LCM ukmathsteacher 56.3K subscribers Subscribe 307 Share Save 38K views 9 years ago … WebThe highest common factor (HCF) is found by finding all common factors of two numbers and selecting the largest one. For example, 8 and 12 have common factors of 1, 2 and 4. … cha twinings hortela
Using Venn diagrams - Multiples and factors - Edexcel - GCSE
WebMay 11, 2024 · pdf, 27.72 KB A full scaffolded lesson on identifying factors, multiples and prime numbers, leading into prime factor decomposition and finding the highest common factor (HCF) and lowest common multiple (LCM) of given numbers. 1->100 grids and homework included. Credit to deselby for the plenary. WebGCSE level C. Show Step-by-step Solutions Examples from Edexcel IGCSE past papers on finding prime factorisations, HCF (highest common factor) and LCM (lowest common multiple) Examples: Express 225 as the product of powers of its prime factors. Express 132 as the product of powers of its prime factors. WebHelp your students prepare for their Maths GCSE with this free Highest Common Factor and Lowest Common Multiple worksheet of 44 questions and answers. Section 1 of the HCF and LCM Worksheet contains 36 skills-based questions, in 3 groups to support differentiation; Section 2 contains 4 applied Highest Common Factor and Lowest … cha twinings frutas