When rounding in Arithmetic and Significant Figure Question Answer Precision, TCU Online automatically applies the rounding rule when assessing answers that contain decimal places. Decimals that end between 1-4 will round down and decimal numbers that end between 5-9 will round the next number up.
Example One: 3.41 * 25 = 85.25
If you create an arithmetic question and set the Answer Precision to 1, the correct answer using is 85.3.
Example Two: -3.41* 25 = -85.25
If you create an arithmetic question and set the Answer Precision to 1, the correct answer using is -85.3.
You can enter a unit type (mm, cm, grams, inches, etc.) to assess if answers include correct units of measurement. For significant figures questions, you can select a percentage to assign a weighted points value to the measurement unit. If you use units in your question, you can set the following Evaluation options:
You can also adjust the Tolerance for the questions that will deduct a percentage of points for having too many or too few significant figures instead of penalizing the student for the whole question.