In And Out - Subtraction Worksheet With Answers Page 2
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1
22–17
Name
Date
In and Out
Mr. Numbers has designed an input/output machine. He programmed the machine with a
rule. When he types in the “input” number, the machine goes to work, then out pops a card
with a new “output” number.
Look at the cards below. Match them with the rule and the input that Mr. Numbers
typed into the machine.
177
148
103
191
43
640
73
242
43
Rule: Subtract 789
Input: 832
Output:
1.
177
Rule: Subtract 281
Input: 458
Output:
2.
640
Rule: Subtract 203
Input: 843
Output:
3.
191
Rule: Subtract 777
Input: 968
Output:
4.
242
Rule: Subtract 281
Input: 523
Output:
5.
73
Rule: Subtract 789
Input: 862
Output:
6.
148
Rule: Subtract 197
Input: 345
Output:
7.
103
Rule: Subtract 514
Input: 617
Output:
8.
Think About It What is the rule if Mr. Numbers typed in 782 and the machine
9.
popped out a card with the number 441 on it?
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