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Egyptian Multiplication. Who Were They? They were an ancient civilization that lived about 5,000 years ago in North Africa. They are famous for their.

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Presentation on theme: "Egyptian Multiplication. Who Were They? They were an ancient civilization that lived about 5,000 years ago in North Africa. They are famous for their."— Presentation transcript:

1 Egyptian Multiplication

2 Who Were They? They were an ancient civilization that lived about 5,000 years ago in North Africa. They are famous for their monuments as well as their civilization and knowledge.

3 Egyptians and Math Ancient Egyptians were also great mathematicians.

4 Egyptians and Math

5 Egyptians used an interesting method for solving multiplications problems. Their method is called Duplation, which really just means doubling.

6 How Does it Work? Let’s say for instance they wanted to solve this problem: 7 x 13 17 214 428 856

7 How Does it Work? 7 x 13 Add rows = 13 = 91 17 214 428 856

8 How Does it Work? 12 x 23 = 23 =276 1 12 2 24 4 48 896 16192

9 How Does it Work? 8 x 23


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