Mathematics
Number Representation & Place Value
Procedural
8–9 yrs
Rounding to 10, 100, 1000
向10、100、1000取整
Description
Round any number to the nearest 10, 100, or 1000
Mastery Evidence
- Round 4,367 to the nearest 10 (4,370), 100 (4,400), and 1000 (4,000)
- Explain the rounding rule using a number line (which multiple is closer)
- Apply rounding to estimate calculations
Assessment Prompt
Can your child round a number like 4,738 to the nearest 10 (4,740), 100 (4,700), or 1,000 (5,000) — and explain which digit they look at to decide?