Knowledge atom
Use a letter to represent the unknown in an equation
Writes and solves equations using a letter rather than a box, treating the letter as a number.
Start practiceProgress & proof summary
LifecycleNot started
Evidence progress0 of 2 pieces collected
0%Current predictionNo prediction yet
Why?Next reviewNot scheduled
Mastery projection: Not available yetWhat does this mean?
Standards alignment
3.OA.D.8
Prerequisites
Common misconceptions
- reads the letter as an abbreviation for an object rather than as an unknown number
Required evidence
These evidence lanes define what would count toward this atom.
EvidencePerformanceStatusNext step
Represent itShow the idea with a model or notation Not startedCollect one observation
Explain the ideaDescribe why the response works Not startedCollect one observation
Recent evidence
No evidence recorded yet
The first response record for this atom will appear here.