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Function Machine Fun!

Explore function machines with input and output rules in this engaging Grade 3 math worksheet.

Grade 3 Math Functions OperationsFunction Machines
Use This Worksheet

Includes

3 CustomShort Answer

Standards

CCSS.MATH.CONTENT.3.OA.D.9

Topics

function machinesgrade 3mathpatternsrules
6 sections · Free to use · Printable
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Function Machine Fun!

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Date:

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A function machine takes a number (input), does something to it (rule), and gives you a new number (output). Figure out the rule and fill in the missing numbers!

1. Rule: Add 5

Input: 3

Output:  

Input: 7

Output:  

Input: 10

Output:  


2. Rule: Subtract 4

Input: 9

Output:  

Input: 12

Output:  

Input: 6

Output:  

3. Rule: Multiply by 2

Input:  

Output: 10

Input:  

Output: 16

Input:  

Output: 4


4. Rule: Divide by 3

Input:  

Output: 3

Input:  

Output: 5

Input:  

Output: 2

5. What is the rule for this function machine?

Input: 2

Output: 6

Input: 4

Output: 8

Input: 7

Output: 11

Rule:  


6. What is the rule for this function machine?

Input: 15

Output: 5

Input: 9

Output: 3

Input: 21

Output: 7

Rule:  

7. A function machine has the rule "Multiply by 3, then add 1". If the input is 4, what is the output?