Mathematics
Number Representation & Place Value
Conceptual
7–8 yrs
A Hundred Is Ten Tens
一百等于十个十
Description
Understand that 100 can be thought of as a bundle of ten tens — called a 'hundred'
Mastery Evidence
- Explain that 10 groups of 10 ones make 100
- Bundle ten tens sticks into one hundred and describe what happened
- Represent 100 using base-ten blocks showing 10 tens
Assessment Prompt
Can your child explain that ten full tens stacked together make one hundred — and that this is why 100 has a 1 in the hundreds place and zeros in the rest?