: Understanding place value relationships and fluently adding or subtracting numbers within

Multi-digit multiplication, early division, and introduction to fractions and decimals. Geometry, measurement, and extending fraction operations. Purpose and Usage of the Reshebnik

: Developing an understanding of fraction equivalence, as well as addition, subtraction, and multiplication of fractions.

The (answer key) for L.G. Peterson's 4th Grade Math Control Works serves as a comprehensive guide for verifying solutions to independent and diagnostic assessments. In the Peterson curriculum, these "control works" are designed to test not just calculation skills, but also logical reasoning and the ability to apply complex algorithms. Core Topics in Grade 4 Control Works

Place value, multi-digit addition, subtraction, and basic multiplicative thinking.