Rounding Decimals
10th Grade · Math · 45 min
Lesson Preview
Learning Objective
5.NBT.A.4 — Round decimals to the nearest hundredth, tenth, or whole number … and use a number line to explain how the number was rounded.
- 1
When rounding decimals using a number line, you can visually identify which tenth, hundredth, or whole number a decimal is closest to.
- 2
To round 0.136 to the nearest hundredth, determine if it is closer to 0.13 or 0.14 on the number line; in this case, it rounds to 0.14.
- 3
When rounding to the nearest whole number, such as rounding 44.197, consider whether the decimal is closer to 44 or 45 on the number line.
