Mathematics
Number Representation & Place Value
Representational
8–9 yrs
Numbers to 10,000
10000以内的数
Description
Identify, represent, and estimate numbers up to 10,000 using different representations
Mastery Evidence
- Represent a four-digit number on a place-value chart or with base-ten materials
- Estimate where a number falls on a 0–10,000 number line
- Match different representations of the same number (e.g. expanded form, place-value counters, numeral)
Assessment Prompt
Can your child mark a number like 6,400 roughly in the right place on a number line that goes from 0 to 10,000 — and explain how they decided where to put it?