1 · Number sense · About 10 minutes
Read a number by its place
Read hundreds, tens, and ones before lining up a calculation.
Know the words
- Digit
- One written symbol: 0 through 9.
- Place value
- How much a digit is worth where it sits.
Learn the idea
Read-aloud depends on your browser.- Start at the right: ones, then tens, then hundreds.
- The same digit can have different values in different places.
- A zero holds a place even when there are no groups in that place.
Watch one
What is the value of the 4 in 347?
Hundreds3× 100
Tens4× 10
Ones7× 1
Step 1 of 3
The 7 is in the ones place: 7 ones.
Read-aloud depends on your browser.
Try one together