12. The early Egyptian Ahmes Papyrus (1650 B.C.E.) shows how to use a doubling method to divide 696 by 29. (George Joseph, The Crest of the Peacock, 2000, pp. 61-66) Doubles of 29 58 116 232 464 928 Doubles of 1 2 4 8 16 32 Double the divisor (29) until you go past the dividend (696). Find doubles of 29 that sum to 696: 232 + 464 = 696. Then sum the corresponding doubles of 1: 8 + 16 = 24. So 696 divided by 29 is 24. a. Divide 4050 by 225 with this method. @

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12. The early Egyptian Ahmes Papyrus (1650 B.C.E.) shows how to use a doubling method to
divide 696 by 29. (George Joseph, The Crest of the Peacock, 2000, pp. 61-66)
Doubles of 29 58
116 232 464 928
Doubles of 1
2
4 8 16 32
Double the divisor (29) until you go past the dividend (696). Find doubles of 29 that sum
to 696: 232 + 464 = 696. Then sum the corresponding doubles of 1: 8 + 16 = 24. So 696
divided by 29 is 24.
a. Divide 4050 by 225 with this method. @
b. Divide 57 by 6 with this method. (Hint: Use doubles and halves.)
Transcribed Image Text:12. The early Egyptian Ahmes Papyrus (1650 B.C.E.) shows how to use a doubling method to divide 696 by 29. (George Joseph, The Crest of the Peacock, 2000, pp. 61-66) Doubles of 29 58 116 232 464 928 Doubles of 1 2 4 8 16 32 Double the divisor (29) until you go past the dividend (696). Find doubles of 29 that sum to 696: 232 + 464 = 696. Then sum the corresponding doubles of 1: 8 + 16 = 24. So 696 divided by 29 is 24. a. Divide 4050 by 225 with this method. @ b. Divide 57 by 6 with this method. (Hint: Use doubles and halves.)
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