Term 1 Week 7 · Slope as a rate of change, and the zeros of linear functions · CG Quarter 1, competency 8
Put this up before the task starts, not after
| Criterion | 4Exemplary | 3Proficient | 2Developing | 1Beginning |
|---|---|---|---|---|
| The relationships | Two real, local, with genuinely different units | Two real, units similar | One real, one invented | Both invented |
| Four representations | Table, equation and graph correct for both | One representation missing | Only equations | Not attempted |
| Slopes with units | Both stated with correct units | One unit missing | Numbers only | Absent |
| Zeros with meanings | Both interpreted, including saying when a zero has no meaning | Both interpreted, meanings thin | One interpreted | Numbers only |