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Number Patterns & Input-Output Tables · Easy Worksheet 1

Number Patterns & Input-Output Tables — Easy Worksheet 1

Grade 3 · MathSheets    Name: ____________________   Date: __________

Find the pattern, then answer the question.

How to solve

Look at how each number changes. In a table, check what you do to each In number to get its Out number (like "× 4" or "+ 6"), and make sure the rule works for every row. Then use the rule to find the missing number.

Example

Find the rule, then find the missing number in the table.

In3567
Out?101214

Answer: 6

right so far
1. Find the rule, then find the missing number in the table.
In1101115
Out918?23
2. Find the missing number in the pattern: 2, 4, 6, 8, ___
3. Find the rule, then find the missing number in the table.
In17252830
Out?293234
4. Find the missing number in the pattern: 4, 8, 12, 16, ___
5. What is the rule for this table? Out = In × ___
In37810
Out9212430
6. Find the missing number in the pattern: 3, 6, 9, 12, ___
7. Find the rule, then find the missing number in the table.
In10252627
Out1429?31
8. Is the sum 9 + 10 even or odd? Write even or odd.

/ right