2ec32-73e9-470e-a054-1f668a3e6fb6","revisionId":"712857d5-7654-42aa-a238-6edaeaa3cd53","questionNumber":"7","questionType":"LA","specification":"","difficulty":1,"difficultyBand":"easy","totalMarks":2,"sourceTitle":"BIDMAS","calculatorUse":null,"isCalculation":true,"parts":[{"id":"e3cd3a67-b1a0-4ff6-9291-3845771fb1fe","label":"0","content":"Work out $6 + 15 \\div 3$","markscheme":"- $6 + 5$ M1\n- $11$ A1","marks":2,"order":0,"markingRubric":{"totalMarks":1,"points":[{"id":"p1","marks":1,"description":"Final answer 11.","code":"B"}],"finalAnswers":["11"],"generatedAt":"2026-05-06T15:34:25.984Z","modelVersion":"gemini-3-flash-preview"},"tableImages":[],"explanation":{"methods":[{"id":"bidmas","label":"Use BIDMAS","steps":[{"type":"text","order":0,"title":"Do division first","content":"Use **BIDMAS**: division comes before addition. So calculate $15\\div 3$ first. Writing $6+5$ earns the method mark (M1), even if a later arithmetic error occurs.","highlights":[{"text":"$$6 + 15 \\div 3$","location":"specification"}]},{"type":"hyper_latex","block":{"nodes":[{"latex":"$$\\htmlData{anchor=first}{6+\\,\\color{@sky}{5}}$"},{"latex":"$$\\htmlData{anchor=answer}{\\color{@green}{11}}$"}],"highlights":[{"color":"green","style":"text-color","anchor":"answer"}],"connections":[{"to":"answer","from":"first","color":"green","label":"add"}]},"order":1,"title":"Complete the calculation","description":"Now add the two terms to obtain the answer. This correct final value earns A1."}]}],"generatedAt":"2026-07-20T16:34:44.993Z","modelVersion":"gpt-5.6-sol","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":{"percent":89},"walkthroughVideo":null},{"id":"395b500d-a963-4f87-b962-26b97400a4c4","revisionId":"6ca2e5a9-edf0-4034-b54b-eca29a8b5fde","questionNumber":"8","questionType":"LA","specification":"","difficulty":1,"difficultyBand":"easy","totalMarks":3,"sourceTitle":"BIDMAS","calculatorUse":null,"isCalculation":true,"parts":[{"id":"cfdb049c-4b07-4851-9a87-dfa55cb2b067","label":"0","content":"Work out $3 + 10 \\times 2^3$","markscheme":"- $3 + 10 \\times 8$ M1\n- $3 + 80$ M1\n- $83$ A1","marks":3,"order":0,"markingRubric":{"totalMarks":1,"points":[{"id":"p1","marks":1,"description":"Final answer 83.","code":"B"}],"finalAnswers":["83"],"generatedAt":"2026-05-06T15:34:25.984Z","modelVersion":"gemini-3-flash-preview"},"tableImages":[],"explanation":{"methods":[{"id":"bidmas","label":"Apply BIDMAS","steps":[{"type":"hyper_latex","block":{"nodes":[{"latex":"$$3+10\\times \\htmlData{anchor=power_old}{2^3}$"},{"latex":"$$3+10\\times \\htmlData{anchor=power_new}{8}$"}],"highlights":[{"color":"sky","style":"text-color","anchor":"power_old"}],"connections":[{"to":"power_new","from":"power_old","color":"sky","label":"evaluate power","style":"solid"}]},"order":1,"title":"Evaluate the power","description":"Use BIDMAS: evaluate the power before multiplying or adding. Since 2 cubed means 2 multiplied by 2 multiplied by 2, its value is 8. Writing the resulting line shown below earns the first method mark."},{"type":"hyper_latex","block":{"nodes":[{"latex":"$$3+\\htmlData{anchor=product_old}{10\\times 8}$"},{"latex":"$$3+\\htmlData{anchor=product_new}{80}$"}],"connections":[{"to":"product_new","from":"product_old","color":"orange","label":"multiply","style":"solid"}]},"order":2,"title":"Multiply next","description":"Multiplication comes before addition. This correct multiplication line earns the second method mark."},{"type":"hyper_latex","block":{"nodes":[{"latex":"$$\\htmlData{anchor=sum_old}{3+80}$"},{"latex":"$$\\htmlData{anchor=answer}{83}$"}],"connections":[{"to":"answer","from":"sum_old","color":"green","label":"add","style":"solid"}]},"order":3,"title":"Add finally","description":"Only the addition remains. The correct final answer earns the accuracy mark."}]}],"generatedAt":"2026-07-20T16:36:21.147Z","modelVersion":"gpt-5.6-sol","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":{"perce

BIDMAS

Question 7

BIDMAS Questions

BIDMAS

Question 7

BIDMAS Questions