Place value
In our numbers, a digit's value depends on its place: ones, tens, hundreds, thousands, each ten times the one to its right. A zero holds an empty place open.
Depth 1 · Foundation
You can read a number as ones, tens, hundreds and thousands, and know why zero is needed as a placeholder.
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- 1
Foundation
You can read a number as ones, tens, hundreds and thousands, and know why zero is needed as a placeholder.
Your path here
What's still between you and Place value, depth 1, in the order you can learn it.
Builds on
Opens up
- Comparing numbersBig numbers are compared place by place, from the left.
- DecimalsDecimals carry place value on past the ones, into tenths and hundredths.
- Large numbersA thousand, a million and a billion are ones, tens and hundreds carried on to more places.
- Number basesA base is the size of the bundle that fills a place, so places come first.