Skill: Round numbers to the nearest 10

To round a whole number to the nearest $(10)$:

1. Look at the ones digit.
2. If the ones digit is $(0,1,2,3,)$ or $4$, round down to the previous ten.
3. If the ones digit is $(5,6,7,8,)$ or $9$, round up to the next ten.

Example: Round $(347)$ to the nearest $(10)$

• The ones digit in $(347)$ is $7$.
• Since $7$ is $5$ or greater, round up.
• The tens digit changes from $4$ to $5$, and the ones digit becomes $0$.

Therefore,

$$347 \approx 350$$

So, $(347)$ rounded to the nearest $(10)$ is $(350)$.