Reflection: Developing a Conceptual Understanding Partners Make Ten - Section 2: Teaching the Lesson


One group today was working on building rods of ten using snap blocks. We might see a similar activity in a preschool classroom. Developmentally it is appropriate for young children to experiment with the rods, but for many students who did not have this opportunity, it is important to give them a chance to go back and work with the manipulatives. Research on math in the primary grades suggests that children who did explore with manipulatives in preschool do better than other students in grasping math concepts in elementary school. While I haven't done the research on whether this is true of children in elementary school, my guess is that second graders who have a weaker sense of number benefit greatly from working with actual objects and hopefully are building a stronger foundation for later math work. 

Second Graders use a range of methods, often mastering more complex strategies such as making tens and doubles and near doubles for problems involving addition and subtraction within 20. Moving beyond counting and counting-on, second grade students apply their understanding of place value to solve problems.


  Building Partners
  Developing a Conceptual Understanding: Building Partners
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Partners Make Ten

Unit 4: Sensible Numbers
Lesson 1 of 2

Objective: SWBAT increase their automaticity with number facts that make 10.

Big Idea: This lesson builds a foundation for adding larger numbers which is supported by the Common Core standards for second grade..

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