<p> Year-Long Math Workshop Trajectory: Grade 2</p><p>Month Unit Key Concepts September Place Value  Introduce Math Workshop  Understand place value of three-digit numbers  Read and write numerals and represent quantities to 1000  Compare three-digit numbers October Addition  Represent and solve problems involving addition  Use place value understanding and properties of operations to add  Add fluently within 20  Add within 100 November Subtraction  Represent and solve problems involving subtraction  Use place value understanding and properties of operations to subtract  Subtract fluently within 20  Subtracting within 100 December Addition and Subtraction  Use addition and subtraction to solve one and two step word problems  Add and subtract within 1000 using models, drawings, and strategies January Measurement  Measure and estimate lengths in standard units  Relate addition and subtraction to length in February whole numbers  Tell time to the nearest five minutes with analog and digital clocks  Solve problems with dollars, quarters, dimes, nickels, and pennies March Geometry  Recognize and draw shapes with attributes  Partition rectangles  Partition circles April Data  Represent and interpret data  Draw picture and bar graphs</p><p>May Foundations of  Work with equal groups of objects to gain Multiplication foundations for multiplication  Use rectangular arrays to find sum of objects June</p><p>DRAFT July 2012</p>