IXL | Input/output tables with addition and subtraction - write the rule | 1st grade math

or

This input/output table shows subtraction. Find the rule and type the correct number in the blank.

In	Out
16	0
19	3
20	4

Rule: −

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or

$Confetti$

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Time
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hr	min	sec
00	00	02

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Input/output tables with addition and subtraction - complete the table