Idea 3of 23Builds onA digit is worth its place
Read a big number in two parts
How do you say a five-digit number out loud?
Today you'll discover
- what the space in 27 513 tells you
- where to say thousand
- how to write a number in words
Think firstThe number 27 513
How do you read 27 513?
Decide first, then press Next. Find the space between the digits.
A place-value chart holding 2, 7, 5, 1 and 3. Two brackets above it mark the thousands period over the first two columns and the ones period over the last three. Then the digits' values, the expanded form, and the words twenty-seven thousand five hundred thirteen. The last step asks how to read 91 260.
See the whole ideathe big idea and the key word, in one place
The big idea
Read the thousands period, say “thousand”, then read the last three digits.
Easy to get wrongGroup from the right, not the left. 27 513 is 27 and 513, not 275 and 13.
For exampleIn words, 42 315 is forty-two thousand three hundred fifteen, and 100 000 is one hundred thousand.
Key word
- period
- a group of three places read together: the ones period, then the thousands period
Ready to use it?
- Read a five-digit number aloud and write it in words.