Division Input-Output Tables Worksheets for 3rd Grade
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Skill: Completing input-output tables that follow a division rule and finding the missing rule
Teaching tips and what to try next
Best for third graders who are learning their division facts and have seen multiplication and division as related. The missing input trips up many children because it needs multiplication, so model one aloud before they start. Quick fact review is in Division Facts 6-9, and number rules without tables are in Number Patterns: Find the Rule.
10 versions, each with its own answer key
Same skill and layout, a fresh set of problems in every version, so children can keep practicing without repeating a page. Problems are not repeated between versions unless a skill has only a small number of possible problems (for example, the addition facts within 10).
- Version 1: Sheet · Key · Both
- Version 2: Sheet · Key · Both
- Version 3: Sheet · Key · Both
- Version 4: Sheet · Key · Both
- Version 5: Sheet · Key · Both
- Version 6: Sheet · Key · Both
- Version 7: Sheet · Key · Both
- Version 8: Sheet · Key · Both
- Version 9: Sheet · Key · Both
- Version 10: Sheet · Key · Both
Download all 10 versions (one PDF)All 10 answer keys (PDF)
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About this worksheet
Input-output tables turn division facts into a pattern. A number goes in, the rule changes it, and a new number comes out. When the rule is "divide by 6," an input of 42 gives an output of 7. Third graders are expected to know their division facts and to find patterns in tables, and this third grade worksheet practices both.
The page has six tables, each with five rows. In the first four tables, the rule is shown at the top, such as "Divide by 4," and the first row is filled in as an example. Children fill in three missing outputs and one missing input. The missing input is the trickiest part, because children have to think backward and multiply. In the last two tables, the rule is hidden. Children study four complete rows, write the rule, and use it to fill in the last output. Each table uses a different divisor from 2 to 9, and each of the ten versions has new tables and its own answer key.
How to use it: read the first row out loud as a sentence, such as "28 divided by 4 is 7." For a missing input, ask "What number divided by 4 gives 9?" and turn it into 4 × 9. For a hidden rule, look at how many times bigger each input is than its output.
The answer key shows every missing number and rule. For fact practice, try our Division Facts 2-5 worksheet and our Division Facts 6-9 worksheet. For more rule finding, try our Number Patterns: Find the Rule worksheet.