Foundations and Quantity
Counting and Cardinality FoundationsEstablish count meaning, one-to-one correspondence, numerals, sequence, ten-frame structure, and early count-on/count-back fluency.Quantity Comparison and Order ReasoningCompare and order whole-number quantities through visible sets to 20, exact visible difference, one-to-one pairing and conservation proof, numerals to 100, ordering to 20, whole-number number lines to 100, benchmarks, bounds, comparison symbols, and representation transfer for the four assigned count skill refs.Base-Ten Place Value and Whole-Number NotationBuild multi-digit number meaning, place-value decomposition, expanded form, large-number notation, powers of ten, and rounding.