توضیحات
کسر، نسبت و تناسب ـ فیلم حل تمرینات ص ۱۱۷
نگاه کلی به فصل ۶ تدریس درصد ریاضی ششم این فصل شامل چهار درس است.
در درس اول، مفهوم نسبت با کسر و اعشار مرتبط شده است.
از طریق کسرهای مساوی؛ نسبت های مساوی و جدول تناسب معرفی شده است. البته لازم به ذکر است که دانش آموزان با مفهوم نسبت و تناسب در سال گذشته آشنا شده اند. هدف این درس، آشنایی دانش آموزان با نسبت های کسری و ساده کردن و تبدیل آنها به کسر، سپس برقراری نسبت سه تایی و بیشتر بین کمیت های مرتبط است. این درس شامل صفحات ۱۱۵ – ۱۱۶ – ۱۱۷ – ۱۱۸ – ۱۱۹ – ۱۲۰ می باشد.
تدریس درصد ریاضی ششم
در شروع درس دوم، چرایی استفاده از درصد به جای نسبت، کسر یا اعشار معنادار شده است.
همچنین بر ارتباط نسبت، کسر و اعشار با درصد تاکید شده است.
در درس سوم، با استفاده از مفهوم های سود، ضرر و تخفیف و … دانش آموزان کاربرد درصد در محاسبات مالی را تجربه می کنند.
در درس چهارم تدریس درصد ریاضی ششم
کاربرد درصد در آمار و احتمال بررسی شده است.
بدین صورت که در بحث آمار از درصد، برای رسم نمودارهای دایره ای استفاده شده است.
در موضوع احتمال نیز دانش آموزان با استفاده از مفهوم پنجاه، پنجاه که همان %۵۰ است
برخی از احتمال ها را توصیف خواهند کرد. سایت تالیف کتب درسی
تدریس درصد ریاضی ششم
در درس اول گسترش مفهوم به این صورت اتفاق می افتد. که دانش آموزان با توجه به نمودارهای صفحه ی ۱۱۳ ،متوجه می شوند. که نمودار رابطه میان دو کمیت متناسب را
نشان میدهد. در هر نقطه از این نمودار، نسبت عرض به طول مقداری ثابت است. به همین علت، نمودار به صورت یک خط راست است. در درس دوم، انتظار می رود که دانش آموزان
بتوانند مسائل درصد را با مسائل کسر پیوند بزنند. تدریس درصد ریاضی ششم
در واقع قادر می شوند تفاوت این مسائل را با مسائل کسر درک کنند. در درس سوم نیز مسائل واقعی از درصد مطرح شده است. از طرفی مسائل درصد همیشه بهترین روش برای ارزیابی فهم دانش آموزان از درصد است. بنابراین گسترش مفهوم در این درس می تواند به این صورت باشد که دانش آموزان مسائل روزمره ی خود را که مربوط به درصد است، به صورت ذهنی و تقریبی محاسبه نمایند.سایت تالیف کتب درسی
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