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MA19.2.6
Explain that the three digits of a three-digit number represent amounts of hundreds, tens, and ones.

Explain that the three digits of a three-digit number represent amounts of hundreds, tens, and ones.

### Unpacked Content

## UP:MA19.2.6

### Vocabulary

- Digit

### Knowledge

- vocabulary of the structure of numbers (place value: ones, tens, hundreds, etc.).
- patterns and regularities that exist in the place value system (ten ones make a ten, ten tens make a hundred, etc.).

### Skills

- represent numbers using a variety of models (physical, visual, and symbolic).
- explain the relationships among various representations and models of three-digit numbers.

### Understanding

- three digit numbers are made up of a variety of base ten representations.
- one hundred can be thought of as one group of 100, ten groups of 10, or 100 ones.