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Estimate the sum. Round each number to the nearest whole number, then add. $\newline$ $2\frac{10}{13}$ $+$ $4\frac{3}{11}$ $\newline$ The sum is approximately $\underline{\hspace{3em}}$ .

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Estimate sums and differences of mixed numbers

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Q. Estimate the sum. Round each number to the nearest whole number, then add.

\newline

2\frac{10}{13}

+

4\frac{3}{11}

\newline

The sum is approximately

\underline{\hspace{3em}}

.

Round to Nearest Whole Number: Step $1$ : Round $2 \frac{10}{13}$ to the nearest whole number. $\newline$ $2 \frac{10}{13}$ is closer to $3$ than to $2$ because $\frac{10}{13}$ is more than half. $\newline$ Rounded value = $3$
Add Rounded Values: Step $2$ : Round $4\frac{3}{11}$ to the nearest whole number. $\newline$ $4\frac{3}{11}$ is closer to $4$ than to $5$ because $\frac{3}{11}$ is less than half. $\newline$ Rounded value = $4$
Calculate Sum: Step $3$ : Add the rounded values. $\newline$ $3 + 4 = 7$ $\newline$ Sum = $7$

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