DSE 數學|概率 備課指引(導師用)|古典概率、互斥、獨立事件
導師備課指引 · 中學數學 概率題九成錯在「要加還是要乘」。一句話決定:同一件事的幾條路用加,連續幾步用乘。 本堂目標 學生能夠:① 用有利結果除以總結果求概率;② 判斷互斥事件並相加;③ 判斷獨立事件並相乘……
DSE 生物|生态系与能量流 备课指引(导师用)|食物链、营养级、10% 定律
导师备课指引 · 中学生物 学生会画食物链,但一问“为什么老虎比羊少”就答“因为被吃”。真正的答案是能量每上一级只剩约一成。 本堂目标 学生能够:① 由食物网判断营养级;② 用 10% 定律推算各级能量与生物量;③ 说……
DSE 生物|生態系與能量流 備課指引(導師用)|食物鏈、營養級、10% 定律
導師備課指引 · 中學生物 學生會畫食物鏈,但一問「為什麼老虎比羊少」就答「因為被吃」。真正的答案是能量每上一級只剩約一成。 本堂目標 學生能夠:① 由食物網判斷營養級;② 用 10% 定律推算各級能量與生物量;……
DSE Economics: National Income — Tutor Lesson Plan (GDP, real GDP, unemployment)
Tutor lesson-prep guides · Secondary economics GDP is not the money a place earns; it is the market value of what it produces in a year. Say that clearly and the arithmetic stops going wrong. Object……
DSE Chemistry: Acids and Bases — Tutor Lesson Plan (pH, neutralisation, titration)
Tutor lesson-prep guides · Secondary chemistry Titration marks are lost in the unit conversion, not the formula. Drill one move: turn cm3 into dm3, then multiply by concentration. Objectives — the s……
DSE Economics: Market Structure — Tutor Lesson Plan (competition, monopoly, oligopoly)
Tutor lesson-prep guides · Secondary economics Students remember that competition has many firms but cannot say why a monopolist sets prices. One question decides it: is the firm a price taker or a ……
DSE Chemistry: Chemical Bonding — Tutor Lesson Plan (ionic, covalent, metallic)
Tutor lesson-prep guides · Secondary chemistry Students can name three bond types but cannot explain why salt melts high and sugar low. One question organises the lesson: what is holding what togeth……
DSE Physics: Work, Energy and Power — Tutor Lesson Plan (W = Fs, KE, PE, P = W/t)
Tutor lesson-prep guides · Secondary physics Students memorise W = Fs then freeze on a slope. Three ideas carry the lesson: force and displacement must share a direction, energy only changes form, a……
DSE Physics: Electricity and Magnetism — Tutor Lesson Plan (V = IR, series, parallel)
Tutor lesson-prep guides · Secondary physics Most circuit marks are lost before any arithmetic, because students cannot see which resistors are in series. Draw the equivalent circuit first, then cal……


