I need an algorithm for rounding whole numbers in a quiz. Is that possible to do? For example, the number is 405 and I want the student to round to the nearest hundred.
Actually, there is a helper function in formula which is "round", which should give you what you want. To round to the nearest 100, divide by 100, round and then multiply by 100: 100*round(x/100). Please test to see if it works as you expect, as I haven't used them before (especially for negative numbers, if you're using those).
For a list of helper functions, check Canvas Formula Quiz Question Helper Functions - Instructure Community - 387062.
Used in a formula question, that allows you to give them a number, say 405, and ask them to round them:405/100=4.05round(4.05)=4100*4=400
Classic Quizzes formula questions: How do I create a Formula quiz question with a sin... - Instructure Community - 920 New Quizzes formula question: How do I create a Formula question in New Quizzes? - Instructure Community - 956
If you're using a formula, you can set a precision range with \(\pm\) a given value, but not to round up or down to a value. If it's a numeric response, you can set a range of values. This would likely require a new feature that could be requested. Otherwise, if you want to have different values as in a formula but with very different answers to round to 100, using a question bank (with the numeric question type) and various values might be the solution.
Hey, you could use the floor function in formula question in a new quiz. Assuming that x is your variable name, to round to the nearest 100, you could use: floor("x"/100)*100.
Hope that helps!
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