CCSS 3.OA.A.4 Worksheets
Grade 3 · Operations & Algebraic Thinking
Find the unknown whole number in a multiplication or division equation relating three numbers.
Below are free printable worksheets that support 3.OA.A.4. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.
Teach this standard
Deliver a whole lesson on 3.OA.A.4 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.
Teaching guide
Find the unknown whole number in a multiplication or division equation relating three numbers.
Build multiplication as equal groups and arrays, then skip counting, then recall of facts. Show that the array shows why a × b = b × a.
Generated and checked in code, so it is correct.
Confusing the number of groups with the number in each group, and adding when a word problem implies repeated groups.