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Egyptian Multiplication. The Ancient Egyptians used a pencil and paper method for multiplication which was based on doubling and addition. 18 x 53 using Egyptian Multiplication. 1 53. Write 1 and 53, meaning 1 lot of 53.
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Egyptian Multiplication The Ancient Egyptians used a pencil and paper method for multiplication which was based on doubling and addition.
18 x 53 using Egyptian Multiplication 1 53 Write 1 and 53, meaning 1 lot of 53. Work down, doubling the numbers, so that you’ve now got 2, 4, 8, 16, etc. lots of 53. 2 106 4 212 Stop when the number of the left (16) is more than half of the other number you are multiplying (18). 8 424 16 848 Look for numbers on the left that add up to 18 (2 and 16). 954 Cross out the other rows of numbers. Add up the remaining numbers on the right to get the final answer.
76 x 39 using Egyptian Multiplication 1 76 Write 1 and 76, meaning 1 lot of 76. Work down, doubling the numbers, so that you’ve now got 2, 4, 8, 16, etc. lots of 76. 2 152 4 304 Stop when the number of the left (32) is more than half of the other number you are multiplying (39). 8 608 16 1216 Look for numbers on the left that add up to 39 (1, 2, 4 and 32). 32 2432 Cross out the other rows of numbers. 2964 Add up the remaining numbers on the right to get the final answer.
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