Number Sense and Operations
Adding, subtracting, multiplying, and dividing rational numbers, and reasoning about them.
Skills in this domain (11)
- Add and subtract rational numbersAvailable
- Model add and subtract on a number lineAvailable
- Reason about additive inversesAvailable
- Find distance as absolute differenceAvailable
- Interpret sums and differencesAvailable
- Multiply and divide rational numbersAvailable
- Reason about multiplicative inversesAvailable
- Understand rational-number formsAvailable
- Convert a rational to a decimalAvailable
- Interpret products and quotientsAvailable
- Solve multi-step rational problemsAvailable
Each skill has a lesson, guided and independent practice, a quick check, and a whole-class presentation mode. Everything here is formative practice for learning — not a test, a test score, or a prediction of any test.