This invaluable resource helps beginning educators focus on the big ideas in teaching mathematics and promote student engagement.GradeaSubtraction. With ... Prior to this lesson she has spent a good deal of time on addition and has introduced subtraction. ... However, she has planned to present problems that involve other models, such as comparing two quantities, separating a set into two disjoint sets, and finding the missing addend. ... Her third goal is to introduce her students to the concept of regrouping during subtraction.
|Title||:||Succeeding at Teaching Mathematics, K-6|
|Author||:||Julie Sliva Spitzer, Cheryl D. Roddick|
|Publisher||:||Corwin Press - 2007-12-04|