Function Machines (Add And Subtract) - Function Worksheet With Answers Page 2

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Answer Key
Name:
Function Machines (Add & Subtract)
Determine the rule each function machine is using.
A n s w e r s
Ex)
1)
2)
24
11
14
Add 21
Ex.
In
In
In
Add 22
1.
Subtract 7
2.
Out
Out
Out
45
33
7
Subtract 21
Add 21
Add 22
Subtract 7
3.
Add 8
4.
3)
4)
5)
48
18
25
Add 19
5.
In
In
In
Subtract 30
6.
Add 13
7.
Out
Out
Out
27
26
44
Add 14
Subtract 21
Add 8
Add 19
8.
Subtract 15
9.
6)
7)
8)
42
30
8
Subtract 22
10.
In
In
In
Subtract 22
11.
Out
Out
Out
12
43
22
Subtract 30
Add 13
Add 14
9)
10)
11)
42
32
32
In
In
In
Out
Out
Out
27
10
10
Subtract 15
Subtract 22
Subtract 22
1-10 91 82 73 64 55 45 36 27 18 9
4
Math
11
0

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