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Fourth Grade Math Overview
Multiplication, division and fractions

Multiplication and division are a major focus in fourth grade. Students reason about numbers and their factors and multiples. They use models, representations, and story context to help solve multiplication and division problems. They are expected to know the multiplication facts to 12 x 12 by the end of fourth grade and work on a variety of multi-digit strategies for addition, subtraction, and multiplication. Fourth graders develop their understanding and knowledge about fractions.

In fourth grade students analyze tables and graphs, examine rates of change, and develop an understanding of data by collecting, representing, describing, and interpreting numerical data. They combine measurement and geometry when learning about the area and perimeter of rectangles.

Changes for the 2009-2010 School Year
Some of the units listed below are supplemented with materials from the National Council of Teachers of Mathematics (NCTM) and Bridges in Mathematics to meet curricular gaps caused by changes in the State of Washington math standards. New curricula that strongly match the new standards are being piloted this year and are expected to be adopted and implemented in the fall of 2010.

Computational fluency in fourth grade
The computing skills that fourth graders will learn and be able to do easily by the end of the year: Fourth Grade Computation Strategies

Fourth Grade Math Units
Arrays and Shares
Multiplication and Division
Landmarks in the Thousands
The Number System—Multiples and Landmark Numbers
Packages and Groups
Multiplication and Division
Area and Perimeter Unit
Ten days of area and perimeter activities that build students’ understanding of perimeter and area of rectangles.
Different Shapes, Equal Pieces
Fractions and Area
Measurement Unit
Eight days of measurement activities that build students’ understanding and skill in measuring length, perimeter, area, volume, weight, and time; please contact your child's teacher directly for more information.
The Shape of Data
Sunken Ships and Grid Patterns
2-D Geometry
Between Never and Always

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