أتدرب وأحل المسائل
أجد ناتج الجمع وأستعمل النماذج إذا لزم الأمر، وأتأكد من معقولية الجواب.
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١٢ ) ٢٢ + ٧
٢٢ + ٧ = ٢٩
٢٠ + ١٠ = ٣٠
١ ٣) ٣٢ + ٨
٣٢ + ٨ = ٤٠
٣٠ + ١٠ = ٤٠
١٤) ٧٨ + ١٢
٧٨ + ١٢ = ٩٠
٨٠ + ١٠ = ٩٠
١٥) ٥٣ + ٢٥
٥٣ + ٢٥ = ٧٨
٥٠ + ٣٠ = ٨٠
١٦) في الأسبوع الماضي احتوت فقرة الإملاء على ٢٥ كلمة، واحتوى هذا الأسبوع على ١٩ كلمة، فما عدد الكلمات في الفقرتين؟
عدد الكمات = ٢٥ + ١٩ = ٤٤ كلمة.
١٧) اشترت سامية ٣٨ تفاحة حمراء، و١٨ تفاحة صفراء، إذا استعملت ١١ تفاحة منها في عمل فطيرة، فكم تفاحة بقيت لديها؟
- عدد التفاح الذي اشترته = ٣٨ + ١٨ = ٥٦ تفاحة.
- عدد المتبقي لديها = ٥٦ - ١١ = ٤٥ تفاحة.
١٨) لدينا علبتان؛ إحداهما تحوي ٢٤ قطعة حلوى، والأخرى تحوي ٣٦ قطعة، فهل هناك عدد كاف من قطع الحلوى لعمل ٢٥ مغلفاً، إذا أردنا أن نضع في كل مغلف قطعتي حلوى؟
- عدد قطع الحلوى = ٢٤ + ٣٦ = ٦٠ قطعة.
- عدد القطع التي نحتاجها لعمل ٢٥ مغلفاً = ٢ × ٢٥ = ٥٠ قطعة.
العدد كاف: لأن ٥٠ < ٦٠
حلول أسئلة الصف الثالث الابتدائي
حل اسئلة رياضيات - علوم - عربي وجميع الكتب والمواد الأخرى
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