Mathematics
Number Representation & Place Value
Conceptual
6–7 yrs
The multiples of 10
10的倍数
Description
Understand that the multiples of 10 (10, 20, 30 … 90) represent one to nine tens and 0 ones
Mastery Evidence
- Explain that 30 means 3 tens and 0 ones
- Represent 50 using 5 tens rods and no unit cubes
- Match decade numbers to their tens representation
Assessment Prompt
Can your child explain that 60 means 6 tens and no ones — and that this is why the ones column has a zero as a placeholder?
Unlocks 1
Subtracting multiples of 10
