: Converting addition strings into multiplication expressions and vice versa. 3. Geometry and Measurement
: Identifying properties of rectangles, squares, and triangles. Perimeter : Calculating the sum of all sides ( Length : Working with millimeters ( ), centimeters ( ), and decimeters ( 4. Word Problem Strategies
This is often the most challenging shift in the 2nd-grade syllabus. : Understanding that is the same as Components : Identifying the "factors" and the "product."
: Align digits by place value (ones under ones, tens under tens). 2. Introduction to Multiplication
: Breaking down the "Given," the "Question," and the "Solution." Types :
Comparison : "Masha has 5 apples, Sasha has 3 more than Masha. How many total?"