Compare a unit with its reverse
Justify when reversal changes the generated sequence. Explore a model, explain the relationship, and try it with physical materials.
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Justify when reversal changes the generated sequence. Explore a model, explain the relationship, and try it with physical materials.
Create a precise prediction problem and defend the solution. Explore a model, explain the relationship, and try it with physical materials.
Identify an AB repeating unit and use it to predict a later position.
Connect a small counted movement to a marked position. Explore a model, explain the relationship, and try it with physical materials.
Name neighboring positions using movement and gesture. Explore a model, explain the relationship, and try it with physical materials.
Compare two small positions from the same starting point. Explore a model, explain the relationship, and try it with physical materials.
Find the middle of a concrete path with adult support. Explore a model, explain the relationship, and try it with physical materials.
Distinguish a starting boundary from a movement. Explore a model, explain the relationship, and try it with physical materials.
Count spaces between two locations rather than ticks. Explore a model, explain the relationship, and try it with physical materials.
Track a short movement followed by two backward steps. Explore a model, explain the relationship, and try it with physical materials.
Check a position from the start and the end with adult counting. Explore a model, explain the relationship, and try it with physical materials.
Connect a scattered collection with its matching number-line position. Explore a model, explain the relationship, and try it with physical materials.