Welcome to our exploration of ratios! Today we'll learn how to compare quantities using division.A ratio is a way to express the relationship between two numbers through division.Let's look at a classroom example with fifteen girls and ten boys.The ratio of girls to boys can be written as fifteen to ten, which simplifies to three to two.There are several ways to write this same ratio.Ratios have important properties we need to remember.They can be simplified to their lowest terms, must use positive numbers, and the order of numbers matters.For example, fifteen to ten can be simplified to three to two by dividing both numbers by five.Günlük hayatta en sık kullandığımız oran orantı örneklerinden biri yemek tarifleridir.İki kişilik bir tarifi altı kişi için hazırlarken, tüm malzemeleri üç ile çarparak orantılı şekilde artırırız.Haritalarda ölçek, gerçek mesafeler ile harita üzerindeki mesafeler arasındaki oranı gösterir.Örneğin, bir yüz binlik ölçekli haritada, beş santimetre harita üzerinde beş kilometrelik gerçek mesafeyi temsil eder.Fotoğraf boyutlandırmada da oran orantı kullanılır. Orijinal en boy oranını koruyarak fotoğrafı küçültür veya büyütürüz.Alışverişte indirim hesaplarken de oran orantı kullanırız. Yüzde yirmi beş indirim, fiyatın yüzde yetmiş beşini ödemek demektir.
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