Standards with the same topic and subject but for other grades
See the structure of a number as its base-ten units.
Use the relationship between multiplication and division to rewrite division problems as multiplication.
Understand subtraction as an unknown-addend problem.
Decompose geometric shapes into polygons of equal area.
Look for and use attributes of two-dimensional shapes to classify the shapes in a hierarchy of figures.
Contrast previous understandings of multiplication modeled as equal groups to multiplication as scaling, which is necessary to understand multiplying a fraction or whole number by a fraction, and how the operation of multiplication does not always result in a product larger than both factors.
Complement arithmetic strategies with mental computation and estimation to assess answers for accuracy.
Extend the structure of two-dimensional space and the relationship between arrays and area to three-dimensional space and the relationship between layers of cubes and volume.
Use areas of rectangles to exhibit the structure of the distributive property.
Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.