Find the Missing Factor
3.OA.4 — Determine the unknown whole number in a multiplication or division equation with the unknown in any position
Build this worksheet below — all three levels and the answer key, ready to print.
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What is on the three Find the Missing Factor worksheets
- Support
- draws an array of dots beside every problem.
- On level
- The grade's own level, with no drawings.
- Challenge
- uses the harder cases, and drops the familiar layout.
Example problems from the on-level sheet
- 9 × ___ = 72
- 5 × ___ = 35
- 6 × ___ = 18
Every sheet is generated, so the numbers are different each time you make one.
Before this: 3.OA.3 — use multiplication and division within 100 to solve word problems involving equal groups, arrays, and measurement quantities.