Mathematics·Number Representation & Place Value·procedural
Decimal place value
Round decimals to any place using place-value understanding; round any whole number to a required degree of accuracy
Suggested ages 10–11
Learning journey
Your child is mastering large numbers and decimals — reading, writing, and comparing numbers up to 10 million, understanding how decimal places work, and using negative numbers in real-world contexts like temperature and money.
Evidence of understanding
- Round 3.4567 to 2 decimal places (3.46)
- Round 7,654,321 to the nearest 100,000 (7,700,000)
- Use rounding to estimate 4.83 × 2.17 ≈ 5 × 2 = 10
Assessment prompt
Can Decimal place value round a decimal like 3.748 to one decimal place (3.7) or two decimal places (3.75) — and explain which digit they look at to decide?
Standards alignment
No external standards are linked to this topic.