: Fluently adding and subtracting using standard algorithms.

: Using visual models to explain why fractions like 12one-half 24two-fourths are the same size.

: Adding and subtracting fractions with like denominators and multiplying fractions by whole numbers.

The content should be organized into these five primary instructional areas: : Place Value : Generalizing understanding up to the millions .

: Multiplying a four-digit number by a one-digit number, and two-digit by two-digit multiplication. Fractions and Decimals :

: Recognizing and drawing lines of symmetry in two-dimensional figures. Measurement & Data :