Mathematics, 23.08.2019 14:10 Lenaaa2019
Ryan was adding numbers on a number line. he started at –3 and then he added +2. he wrote that his answer was –5 .
is ryan's answer reasonable?
a.
no, it is not reasonable because if you start at –3, you will move 2 spaces to the right and get –1.
b.
no, it is not reasonable because if you add two integers, you get a positive integer. the answer is +5.
c.
yes, it is reasonable because if you start at –3, you will move 2 spaces to the left and get –5.
Answers: 1
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Ryan was adding numbers on a number line. he started at –3 and then he added +2. he wrote that his a...
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