Knowledge atom
Solve one-step equations mixing the four operations
Finds the unknown in a one-step equation using any of the four operations, with the unknown in any position.
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.A.4
Prerequisites
Common misconceptions
- matches the solving operation to the sign shown in the equation rather than to the unknown's role
Required evidence
These evidence lanes define what would count toward this atom.
EvidencePerformanceStatusNext step
Show the stepsCarry out the procedure accurately 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.