Function Machines Worksheet
Explore function machines with input, rules, and output. Practice identifying rules and predicting outputs.
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Function Machines Fun!
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Date:
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Read each question carefully and follow the instructions for each function machine. Remember, a function machine takes an input, applies a rule, and gives an output.
Complete the output for each function machine given the input and the rule.
Input
Rule
Output
5
+ 7
12
- 4
6
× 3
20
÷ 5
Look at the input and output for each function machine and determine the rule.
Input
Rule
Output
3
9
10
2
7
14
18
10
1. If the input is 8 and the rule is "add 5", what is the output?
3
13
40
58
2. Which rule would change an input of 20 into an output of 4?
Add 16
Subtract 4
Multiply by 5
Divide by 5
1. Explain in your own words how a function machine works.