Knowledge atom
Represent sums and differences on a number line diagram
Shows an addition or subtraction as a jump or series of jumps on a number line.
Start practiceProgress & proof summary
LifecycleNot started
Evidence progress0 of 1 pieces collected
0%Current predictionNo prediction yet
Why?Next reviewNot scheduled
Mastery projection: Not available yetWhat does this mean?
Standards alignment
2.MD.B.6
Prerequisites
Common misconceptions
- draws jumps of unequal size and miscounts the total distance
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
Recent evidence
No evidence recorded yet
The first response record for this atom will appear here.
