19063424_eaching_Elementary_Mathematics__on_is_Found_in_U_S__Curriculum
[Phase] Factoring [Description] Thinking additively and multiplicatively about quantities Numbers as Hundreds, Tens, and Ones Know place value for three-digit numbers and larger Read, write, and say whole numbers beyond thousands Multiplication and Division Use arrays to represent multiplication Understand inverse operation for multiplication and division Decompose and recompose factors without changing quantity Understand and use the commutative property of multiplication Think additively and multiplicatively Understand different models for division Use other language to interpret multiplication and division signs (groups of, shared by etc.) Fractional Understanding · Represent fractions with models and pictures and compare their like and unlike denominators · Split fractions and decimals into whole and parts · Relate fractions to division
Late second and third grades
Early Numbers | Strategies for Teaching Elementary Mathematics
Typical Grade in which Instruction is Found in U.S. Curriculum