ks":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"},"explanation":{"methods":[{"id":"bidmas","label":"Use BIDMAS","steps":[{"type":"hyper_latex","block":{"nodes":[{"latex":"$$4-3+\\htmlData{anchor=product}{\\color{@sky}{2\\times5}}$"},{"latex":"$$4-3+\\htmlData{anchor=ten}{\\color{@sky}{10}}$"},{"latex":"$$\\htmlData{anchor=answer}{\\color{@green}{11}}$"}],"highlights":[{"color":"sky","style":"text-color","anchor":"product"},{"color":"sky","style":"text-color","anchor":"ten"},{"color":"green","style":"text-color-with-background","anchor":"answer"}],"connections":[{"to":"ten","from":"product","color":"sky","label":"multiply first","style":"solid"}]},"order":1,"title":"Replace the product","description":"Multiplication comes first: $2 \\times 5=10$, giving $4-3+10$ (M1). Then work from left to right to get $11$ (A1)."}]}],"generatedAt":"2026-07-20T16:58:28.236Z","modelVersion":"gpt-5.6-sol","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"9bd923bd-74d6-4486-b003-5aebf59e5e94","revisionId":"4ace48b5-7624-4d42-baf9-2e5da9ea1e98","questionNumber":"17","questionType":"LA","specification":"","difficulty":1,"difficultyBand":null,"totalMarks":2,"sourceTitle":"BIDMAS","calculatorUse":null,"parts":[{"id":"23471684-192d-4615-b365-6af751e8040c","label":"0","content":"Work out $3 + 5 \\times 7 + 2$","markscheme":"- $3 + 35 + 2$ M1\n- $40$ A1","marks":2,"order":0,"markingRubric":{"totalMarks":1,"points":[{"id":"p1","marks":1,"description":"Final answer 40.","code":"B"}],"finalAnswers":["40"],"generatedAt":"2026-05-06T15:34:25.984Z","modelVersion":"gemini-3-flash-preview"},"explanation":{"methods":[{"id":"order_of_operations","label":"Use BIDMAS","steps":[{"type":"text","order":0,"title":"Apply multiplication first","content":"Multiplication comes before addition, so $5\\times7=35$ and the expression becomes $3+35+2$. Writing $3+35+2$ earns M1, even if the subsequent addition is incorrect."},{"type":"hyper_latex","block":{"nodes":[{"latex":"$$\\htmlData{anchor=intermediate}{3+35+2}$"},{"latex":"$$\\htmlData{anchor=answer}{40}$"}],"connections":[{"to":"answer","from":"intermediate","color":"green","label":"add"}]},"order":1,"title":"Add the remaining terms","description":"Add the remaining terms to find the final value. The correct final value earns A1."}]}],"generatedAt":"2026-07-20T16:55:26.209Z","modelVersion":"gpt-5.6-sol","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"62ca4d69-9ad4-4776-aa23-c5e492579326","revisionId":"8d39bb15-8bc6-4315-8c3e-c00385d78247","questionNumber":"18","questionType":"LA","specification":"","difficulty":1,"difficultyBand":null,"totalMarks":3,"sourceTitle":"BIDMAS","calculatorUse":null,"parts":[{"id":"3cd5ab8a-cf3d-4706-bcbd-3370e55674a1","label":"0","content":"Work out $2 + (5 + 3)^2$","markscheme":"- $2 + 8^2$ M1\n- $2 + 64$ M1\n- $66$ A1","marks":3,"order":0,"markingRubric":{"totalMarks":1,"points":[{"id":"p1","marks":1,"description":"Final answer 66.","code":"B"}],"finalAnswers":["66"],"generatedAt":"2026-05-06T15:34:25.984Z","modelVersion":"gemini-3-flash-preview"},"explanation":{"methods":[{"id":"bidmas","label":"Use BIDMAS","steps":[{"type":"text","order":0,"title":"Choose the order","content":"Use **BIDMAS**: calculate the **brackets** first, then the **index** (the power), and finally add."},{"type":"hyper_latex","block":{"nodes":[{"latex":"$$2+\\htmlData{anchor=bracket}{\\color{@sky}{(5+3)}}^2$"},{"latex":"$$2+\\htmlData{anchor=eight}{\\color{@sky}{8}}^2$"}],"highlights":[{"color":"sky","style":"text-color-with-background","anchor":"bracket"},{"color":"sky","style":"text-color-with-background","anchor":"eight"}],"connections":[{"to":"eight","from":"bracket","color":"sky","label":"add inside brackets"}]},"order":1,"title":"Evaluate the brackets","description":"Add the t

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