Pre-Test
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The work that Yi did to find the greatest common factor of 42 and 63 is shown below.
he
CE
FEES
WS
19
CE
SAR
TALLIDOL 42. 1, 2, 3.6
ANN
BERS
Factors of 63: 1, 7, 9, 63
C
COM
The greatest common factor is 7.
CE
ORPER
s
COLE
GOOD
SETELAH
What is Yi's error?
KAT
HARGREEN
ene
TALLET
NDIYi did not list all the factors of 63.
Yi listed multiples for each number instead of factors.
Yi did not list all the factors of 42
Yi found the least common multiple.
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