Course Content
Unit Change
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Unit Change and Speed
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Unit Change and Ratio
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Speed & Average Speed (เน้นข้อควรระวังว่า average speed ต้องเอา total distance / total time เสมอ)
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Speed – Start/End Time , Tunnel (เสริมการนับเวลา และ ข้อควรระวังเวลาทำโจทย์ที่เป็นการลอดผ่านอุโมง)
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Speed Two Objects and Ratio
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Work Practice (เสริมคำอธิบายในแต่ละกรณี)
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