Multi-Step Real World Problems
TOUT
Tracy evaluates the expression on a math test, 7 7
+ 4 3 and gets an answer of 5 35.
Is this a reasonable answer?
A. Since rounds to 1 and 4
rounds to 5, the sum rounds to 6. Her answer of 5 23 rounds to 6. So, it is reasonable.
rounds to 5, the sum rounds to 6. Her answer of 5
is not equal to 6. So, it is not
B. Since rounds to 1 and 4
reasonable
C. Since rounds to 1 and 4 rounds to 4, the sum rounds to 5. Her answer of 5 2 is not equal to 5. So, it is not
reasonable.
D. Since rounds to 1 and 4
rounds to 4, the sum rounds to 5. Her answer of 5 2 rounds 5. So, it is reasonable.
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