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Algebraic Equations and Unknown Values

3rd Grade · Math · Open Global Math

6 lessons

Goal

Find unknown values represented by symbols, boxes, and letters in multi-term equations across all four operations.

6 lessons
0 of 6 done
  1. Representing Unknown Values with Letters and SymbolsUp next
  2. Finding Unknown Factors in Multiplication EquationsNot started yet
  3. Finding Unknown Dividends and DivisorsNot started yet
  4. Balancing Equations with Three or More NumbersNot started yet
  5. Solving Equations with Parentheses and OperationsYou are here
  6. Writing Equations with Variables from DescriptionsNot started yet
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Learning standards covered

GlobalOGM.4.OA.5Open Global Math Standards 2026™ · 3rd Grade

Determine the unknown whole number in addition, subtraction, multiplication, or division equations relating three or more numbers, representing unknowns using symbols, boxes, or letter variables.