[{"id":23624,"skill_id":123,"original_question_id":null,"difficulty_id":2,"is_diagnostic":0,"user_id":2,"question":"Find the missing numbers.<br>$$85.007 = 80 + <input type=\"text\" id=\"input_0\" class=\"fill-blank-input\" placeholder=\"?\" \/> + \\dfrac{7}{<input type=\"text\" id=\"input_1\" class=\"fill-blank-input\" placeholder=\"?\" \/>}$$","explanation":"Expand 85.007 by place value: 80 (tens) + 5 (ones) + 0 (tenths) + 0 (hundredths) + 7 thousandths. The 7 occupies the thousandths place, so it is \\(\\dfrac{7}{1000}\\). Therefore the first blank = 5 and the denominator = 1000.","question_image":null,"answer0":"5","answer0_image":null,"answer1":"1000","answer1_image":null,"answer2":null,"answer2_image":null,"answer3":null,"answer3_image":null,"correct_answer":null,"status_id":6,"source":"Ai Tong 2024 P4 Term 3 Review Q1","type_id":2,"calculator":null,"created_at":"2026-05-29 08:35:32","qa_status":"ai_generated","qa_reviewer_id":null,"last_qa_editor_id":null,"qa_notes":null,"qa_reviewed_at":null,"published_at":null,"updated_at":"2026-05-29 08:35:32","gamecodes_id":null,"reviewed_by":null,"reviewed_at":null},{"id":23656,"skill_id":119,"original_question_id":null,"difficulty_id":1,"is_diagnostic":0,"user_id":2,"question":"What is the missing number in the box?<br>$$2\\dfrac{5}{6} = \\dfrac{[\\ ?\\ ]}{6}$$","explanation":"Convert the mixed number to an improper fraction: $2\\dfrac{5}{6} = \\dfrac{2\\times 6 + 5}{6} = \\dfrac{17}{6}$. The missing numerator is 17.","question_image":null,"answer0":"12","answer0_image":null,"answer1":"13","answer1_image":null,"answer2":"16","answer2_image":null,"answer3":"17","answer3_image":null,"correct_answer":3,"status_id":6,"source":"SCGS 2024 P4 Term 2 Review Q1","type_id":1,"calculator":null,"created_at":"2026-05-29 08:36:10","qa_status":"ai_generated","qa_reviewer_id":null,"last_qa_editor_id":null,"qa_notes":null,"qa_reviewed_at":null,"published_at":null,"updated_at":"2026-05-29 08:36:10","gamecodes_id":null,"reviewed_by":null,"reviewed_at":null},{"id":23664,"skill_id":119,"original_question_id":null,"difficulty_id":2,"is_diagnostic":0,"user_id":2,"question":"Arrange the following fractions in decreasing order (largest first).<br>$$1\\dfrac{4}{7}, \\quad \\dfrac{9}{8}, \\quad \\dfrac{1}{2}, \\quad \\dfrac{11}{5}$$","explanation":"As decimals: $1\\dfrac{4}{7}\\approx 1.57$, $\\dfrac{9}{8}=1.125$, $\\dfrac{1}{2}=0.5$, $\\dfrac{11}{5}=2.2$. Decreasing order: $\\dfrac{11}{5}, 1\\dfrac{4}{7}, \\dfrac{9}{8}, \\dfrac{1}{2}$.","question_image":null,"answer0":"\\(\\dfrac{11}{5}, 1\\dfrac{4}{7}, \\dfrac{9}{8}, \\dfrac{1}{2}\\)","answer0_image":null,"answer1":"\\(1\\dfrac{4}{7}, \\dfrac{11}{5}, \\dfrac{9}{8}, \\dfrac{1}{2}\\)","answer1_image":null,"answer2":"\\(\\dfrac{1}{2}, \\dfrac{9}{8}, 1\\dfrac{4}{7}, \\dfrac{11}{5}\\)","answer2_image":null,"answer3":"\\(\\dfrac{11}{5}, \\dfrac{9}{8}, 1\\dfrac{4}{7}, \\dfrac{1}{2}\\)","answer3_image":null,"correct_answer":0,"status_id":6,"source":"SCGS 2024 P4 Term 2 Review Q9","type_id":1,"calculator":null,"created_at":"2026-05-29 08:36:10","qa_status":"ai_generated","qa_reviewer_id":null,"last_qa_editor_id":null,"qa_notes":null,"qa_reviewed_at":null,"published_at":null,"updated_at":"2026-05-29 08:36:10","gamecodes_id":null,"reviewed_by":null,"reviewed_at":null}]