[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-207726-en":3,"doc-seo-207726-105":30,"detail-sidebar-cat-0-en-105":90},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"doc_content":15,"file_id":16,"file_url":17,"file_type":18,"file_size":19,"view_count":4,"is_deleted":4,"is_public":20,"is_downloadable":20,"audit_status":20,"page_count":21,"language":22,"language_code":23,"site_id":24,"html_lang":23,"table_of_contents":25,"faqs":26,"seo_title":27,"seo_description":14,"update_tm":28,"read_time":29},207726,8796095461564,"Liam","https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d",4,"Exam","1MA1 Practice Tests Set 1 - Paper 3H (Regular) - Mark scheme - Version 1.0","Mark scheme for 1MA1 Practice Tests Set 1, Paper 3H (Regular), Version 1.0, providing question-by-question guidance for expected working, model answers, and mark allocation. Includes answers and marking points for geometry angle calculations using triangle/parallel-line angle facts, number and factor/LCM-style reasoning, probability or counting-style bead/ratio tasks, percentage comparisons, algebraic inequalities, circle or sector/π-based area/length computations, algebraic expansion feedback, compound interest calculations, and algebraic equation solving with acceptable alternative partitions and method notes.","| 1MA1 Practice Tests Set 1: Paper 3H (Regular) mark scheme – Version 1.0 |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- |\n| Question |  | Working | Answer | Mark | Notes |\n| 1 |  | Angle BAC = 76°\u003Cbr>Angle BAP =\u003Cbr>180° – 90° – 54° = 36° x = 76° – 36°\u003Cbr>OR\u003Cbr>Angle QCD = 54°\u003Cbr>Angle ACP =\u003Cbr>180° – 76° – 54° = 50° x = 180° − 90° – 50 ° | 40o | 4 | B1 for Angle BAC = 76° (could be just on the diagram)\u003Cbr>M1 for 76° –(“180° – 90 – 54°”)\u003Cbr>A1 for x = 40° (explicitly stated)\u003Cbr>C1 (dep on M1) for ‘the sum of the angles ofa triangle is  180  °’and ‘alternate angles on parallel lines are equal’\u003Cbr>OR\u003Cbr>B1 for Angle QCD = 54° (could be just on the diagram)\u003Cbr>M1 for 180° – 90° –(“180° – 76 °– 54°”)\u003Cbr>A1 for x = 40o (explicitly stated)\u003Cbr>C1 (dep on M1) for ‘corresponding angles on parallel lines are equal’ and ‘sum of the angles on a straight line is 180o’ and‘the sum of the angles ofa triangle is  180o’\u003Cbr>or ‘corresponding angles on parallel lines are equal’ and‘exterior angle of a triangle is equal to the sum of the two interior opposite angles’\u003Cbr>OR\u003Cbr>M1 for angle QCB = 180 – 54 (=126)\u003Cbr>M1 for 180 – 90 – “126 – 76”\u003Cbr>A1 for x = 40o (explicitly stated)\u003Cbr>C1 (dep on M1) for ‘sum of allied angles =  180􀁱’ and ‘the sum of the angles of a triangle is  180 |\n\n\n| 1MA1 Practice Tests Set 1: Paper 3H (Regular) mark scheme – Version 1.0 |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- |\n| Question |  | Working | Answer | Mark | Notes |\n| 2 |  | 25 50 75 100 125 150\u003Cbr>175\u003Cbr>35 70 105 140 175 | 10·96 | 5 | M1 for attempt to find the LCM of 25 and 35 eg at least 3 correct multiples of 25 and at least 3 correct multiples of 35 or 2 factor trees with at least one correct\u003Cbr>A1 for 175\u003Cbr>\"175\"  \"175\"\u003Cbr>M1 for at least one of or “5” or or “7” or 5.50 or\u003Cbr>25 35\u003Cbr>5.46 either unassociated or associated with the correct pack.\u003Cbr>M1 for “5” × £1.10 + “7” × 78p A1 cao.\u003Cbr>OR\u003Cbr>M2 for attempt to find the number of packs of cups and plates eg sight of 5 (× 35) or 7 (× 25)\u003Cbr>A1 for 5 (× 35) and 7 (× 25) M1 for 5 × £1.10 + 7 × 78p A1 cao |\n\n\n| 1MA1 Practice Tests Set 1: Paper 3H (Regular) mark scheme – Version 1.0 |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- |\n| Question |  | Working | Answer | Mark | Notes |\n| 3 | (a)\u003Cbr>(b)\u003Cbr>(c) |  |  5 \u003Cbr>14\u003Cbr>54\u003Cbr>e.g. 6 green | 1\u003Cbr>3\u003Cbr>3 | B1 for 154 oe fraction\u003Cbr>M1 for 84 ÷ (5 + 9) (= 6) or 1 – “(a)”(= )\u003Cbr>M1 for 84 ÷ (5 + 9) × 9 oe or\u003Cbr>A1 cao\u003Cbr>M1 for correct method to find twice as many green beads as red beads, e.g. 2 × 30 (= 60) or 2 × (84 – “54”) or “54” + “6”(= 60) A1 for 6 (green) OR ifn reds are added then 2n + 6 (greens), where n and 2n could be numbers OR 30 (red) and 60 (green) C1 (dep on M1) for showing correct relevant working and clear conclusion stating number of green beads or stating total numbers of red beads and green beads |\n| 4 |  | 4842.455 􀁵100\u003Cbr>OR\u003Cbr>11100 􀁵 425 􀀠 46.75 | Katie spends more | 3 | M1 for 4842.455 􀁵100 A1 for 11.4\u003Cbr>C1 (dep on M1)for conclusion ft from comparison of two percentages\u003Cbr>OR\u003Cbr>M1 for 11010 􀁵 425 or for 10% = 42.5(0), 1% = 4.25, 42.5(0) + 4.25\u003Cbr>A1 for 46.75\u003Cbr>C1 (dep on M1)for correct ft from comparison of “46.75” and 48.45 |\n\n\n| 1MA1 Practice Tests Set 1: Paper 3H (Regular) mark scheme – Version 1.0 |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- |\n| Question |  | Working | Answer | Mark | Notes |\n| 5 |  | Jan x Feb 2x Mar 2x + 10\u003Cbr>Apr 12 (2x + 10)\u003Cbr>x 􀀎 2x 􀀎 2x 􀀎10 􀀎 12 􀀋2x 􀀎10 􀀌 􀀡123\u003Cbr>6x+15≥123 | 18 | 5 | M1 for a method to express all 4 months’ amounts algebraically (at least 3 correct, ft)\u003Cbr>M1for an expression for total with at least 3 correct terms added\u003Cbr>M1 for a correct inequality stated algebraically M1 for an inequality reduced to ax > b-c A1 cao\u003Cbr>NB: accept inequalities written as equations SC T&I is 5 marks for 18, otherwise 0 marks |\n\n\n| 1MA1 Practice Tests Set 1: Paper 3H (Regular) mark scheme – Version 1.0 |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- |\n| Question |  | Wo","cbCaiuTgucXba9OW","https://ap.wps.com/l/cbCaiuTgucXba9OW","pdf",490319,1,15,"English","en",105,"# Question 1\n## Angles and triangle/parallel-line reasoning\n# Question 2\n## Multiples, LCM/factor-tree style methods and pricing-style combinations\n# Question 3\n## Bead counting with ratios and total/solution verification\n# Question 4\n## Percentage comparison using equivalences\n# Question 5\n## Algebraic inequality for months' amounts\n# Question 6\n## Circle/π calculations and range checking\n# Question 7\n## Algebraic expansion correctness\n# Question 8\n## Compound interest multipliers\n# Question 9\n## Expanding products to form equations and solving","[{\"question\":\"What does the document provide for each question?\",\"answer\":\"It lists expected working, corresponding answers, mark points, and notes on what methods are acceptable.\"},{\"question\":\"How are geometry questions in Question 1 marked?\",\"answer\":\"Marks are awarded for correct angle relationships using triangle angle sum and parallel-line/alternate or corresponding angle equalities, with acceptance for diagram-only values where noted.\"},{\"question\":\"How are compound interest questions handled in Question 8?\",\"answer\":\"Marks cover 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