Grade 3 · Maths · Lessons
To the nearest ten, to the nearest hundred
🔟nearest ten💯nearest hundred📍halfway⬆️go up
Round it.The big ideaSee which ten or hundred is nearer. At halfway, go up.
How it works
See which ten or hundred is nearer.
At halfway, go up.
Look at the digit to the right of the place you are rounding.
57 is closer to 60 than to 50.Example 1: Round to the nearest ten
- 57 to the nearest ten ?
- 57 is between 50 and 60.
- 7 ones is more than 5, so go up.
- So the answer is 60.
Example 2: A bigger number
- 976 to the nearest ten ?
- 976 is between 970 and 980.
- 6 ones is more than 5, so go up.
- So the answer is 980.
Example 3: At the halfway
- 295 to the nearest ten ?
- 295 is between 290 and 300.
- 5 ones is halfway, so go up.
- So the answer is 300.
Words to know
- round
- To change to a nearby friendly number.
- nearest ten
- The ten closest to the number.
Watch out
- At halfway, go up.
- Look at the ones digit when rounding to ten.
- Rounding gives a friendly number, not the exact one.
Try it
- 868 to the nearest hundred ?
- 655 to the nearest hundred ?
- 323 to the nearest hundred ?
Answers: 1. 900 · 2. 700 · 3. 300
For grown-upsRound prices in a shop to the nearest ten cents.