Grounded in teacher awareness, this series includes information about observing and assessing children at work, adaptations for diverse student needs, as well as classroom management. Students solidify beginning number concepts through independent and small-group explorations that encourage the use of a variety of easy-to-handle manipulatives. The Planning Guide includes planning and classroom management tips. Grades K-3 Book 2: Addition and Subtraction
I really liked all the different activities! I don't know if I agree that they'd be useful for third graders, but they'd definitely be great for younger kids.