Mathematics
Number Representation & Place Value
Conceptual
6–7 yrs
The two digits of a two-digit number
两位数的两个数位
Description
Understand that the two digits of a two-digit number represent amounts of tens and ones
Mastery Evidence
- Explain that in 47, the 4 represents 4 tens (40) and the 7 represents 7 ones
- Use base-ten blocks to show a two-digit number as tens and ones
- Identify the tens digit and ones digit in any two-digit number
Assessment Prompt
If your child sees the number 47, can they tell you there are 4 tens (forty) and 7 ones — rather than just reading the digits as 'four seven'?