Determining Function Machine Rule (+ or -) (MC)
Each worksheet has 9 problems determining what rule a function machine is using. All problems use addition or subtraction rules from 1 to 50).
Student Objectives
- Figure out what number is being added or subtracted to turn each input into the output.
- Use a few input-output examples to spot a consistent pattern and name the rule.
- Check that the same rule works for every pair in the table before choosing an answer.
- Tell the difference between an “add” rule and a “subtract” rule by comparing inputs and outputs.
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