Ancient Egyption Numbers

Ancient Egyptian numbers

Learning Intention:  to understand place value by using Ancient Egyptian numbers.

Challenge:

What number is this? Why?

23

Some Ancient Egyptian numbers

	1
	10
	100

Challenge:

What are these numbers?

	144
	602
	379
	314
	626
	379

What is the same about the last two numbers.?They both have 100.

What is different about the last two numbers?They are different because

Challenge:

Change these numbers into Ancient Egyptian numbers. Insert a photo of your number written on a whiteboard.

7
42
220
608
795

Addition

Challenge:

Now try adding numbers. You cannot draw modern maths symbols like + and =.

7 + 5	7 & 5 makes 12
36 + 15	36 & 15 makes 51
274 + 418	274 & 418 makes 672
593 + 109	593 & 109 makes 702

Subtraction

Challenge:

Now try subtracting numbers. You cannot draw modern maths symbols like - and =.

12 - 3	12 take away 3 makes 9
23 - 17	23 take away 17 makes 6
445 - 152	445 take away 152 makes 293
623 - 249	623 take away 249 makes 374

What can you understand about Ancient Egyptian numbers compared to modern numbers.?Ancient Egyptian numbers are used with signs and modern numbers used in normal words and letters.