🔢 Mathematics · Number Representation & Place Value

A Ten Is Ten Ones

Understand that 10 can be thought of as a bundle of ten ones — called a 'ten'

Typical age: 6–7 years

“Can your child explain that ten single objects bundled together make 'one ten' — and that this is why we write 10 with a 1 in the tens place and a 0 in the ones place?”

0 / 3 mastered

Explore graph

Needs first

The teen numbersREQUIRED
Understanding 10 as a bundle builds on understanding teen numbers as 'a ten and some ones'

Unlocks next

A Hundred Is Ten TensREQUIRED
100 as ten tens extends understanding of 10 as ten ones
The two digits of a two-digit numberREQUIRED
Understanding tens and ones place value requires the concept of 10 as a bundle
The multiples of 10REQUIRED
Understanding decade numbers as 'some tens and 0 ones' requires the concept of a ten