Knowledge atom
Use near-doubles to add within 20
Solves facts one or two away from a known double by adjusting the double.
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
1.OA.C.6
Prerequisites
Common misconceptions
- adjusts in the wrong direction (7+8 = 14 − 1)
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
Recognize itIdentify the target across examples Not startedCollect one observation
Recent evidence
No evidence recorded yet
The first response record for this atom will appear here.