Grade 4 Function Machines Worksheet

Explore function machines with input and output values, practicing addition, subtraction, and multiplication rules.

Grade 4 Math Functions OperationsFunction Machines

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Includes

3 Fill in the BlanksShort Answer

Standards

CCSS.MATH.CONTENT.4.OA.C.5

Topics

mathgrade 4function machinesoperationspatterns

6 sections · Free to use · Printable

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Function Machine Fun!

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Welcome to the Function Machine! Each machine has a special rule. Your job is to figure out the rule or find the missing input/output values. Read each question carefully and fill in the blanks.

Rule: Add 5

1. Input: 3 Output:

2. Input: 7 Output:

3. Input: 12 Output:

Rule: Subtract 4

4. Input: Output: 6

5. Input: Output: 10

6. Input: Output: 15

Look at the inputs and outputs to find the rule for each function machine.

7. Input: 2, Output: 4 Input: 5, Output: 7 Input: 8, Output: 10 Rule:

8. Input: 9, Output: 3 Input: 12, Output: 6 Input: 15, Output: 9 Rule:

9. If a function machine has the rule "Multiply by 3" and the output is 21, what was the input?