Determine the rule of the input-output machine with six numerical examples.

A colorful math puzzle image showing an input-output machine with six examples, where numbers enter the machine and transform into new numbers, asking to determine the rule.

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Show Answer Key & Explanations Step-by-step solution for: input-output-machine 2 - Mr. R.s World of Math

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Let’s look at the input-output pairs from the machine:

We have these inputs (green numbers) and outputs (orange numbers):

1. Input: 55 → Output: 47
2. Input: 66 → Output: 58
3. Input: 12 → Output: 4
4. Input: 15 → Output: 7
5. Input: 32 → Output: 24
6. Input: 43 → Output: 35

Now, let’s find what operation turns each input into its output.

Try subtracting the output from the input:

- 55 - 47 = 8
- 66 - 58 = 8
- 12 - 4 = 8
- 15 - 7 = 8
- 32 - 24 = 8
- 43 - 35 = 8

Every time, the output is 8 less than the input.

So the rule is:
👉 Subtract 8 from the input to get the output.

That means the machine’s function is:
Input – 8 = Output

Final Answer: Subtract 8

Parent Tip: Review the logic above to help your child master the concept of input output machine worksheet.

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input-output-machine 2 - Mr. R.s World of Math