Read the structure of twenty spaces
Use five and ten to organize a quantity efficiently. Explore a model, explain the relationship, and try it with physical materials.
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Use five and ten to organize a quantity efficiently. Explore a model, explain the relationship, and try it with physical materials.
Decompose a number around a known benchmark. Explore a model, explain the relationship, and try it with physical materials.
Justify an unknown addend from a known whole. Explore a model, explain the relationship, and try it with physical materials.
Compare visual strategies for equal quantities. Explore a model, explain the relationship, and try it with physical materials.
Connect grouped and individual units in a teen quantity. Explore a model, explain the relationship, and try it with physical materials.
Link removed and remaining parts to a subtraction statement. Explore a model, explain the relationship, and try it with physical materials.
Explain a make-ten transformation without changing the sum. Explore a model, explain the relationship, and try it with physical materials.
Derive a sum by adjusting a nearby double. Explore a model, explain the relationship, and try it with physical materials.
Critique a method that answers the wrong quantity question. Explore a model, explain the relationship, and try it with physical materials.
Compare sets by correspondence rather than separate counts. Explore a model, explain the relationship, and try it with physical materials.
Represent a small quantity efficiently before explaining a calculation. Explore a model, explain the relationship, and try it with physical materials.
Justify how a benchmark supports a mental strategy. Explore a model, explain the relationship, and try it with physical materials.