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Advantage:The book covers many aspects. Good for reviewing on different topics. Disadvantage: too easy for some 2nd graders. Most of sections have tracing writhing which is way to easy. 2nd graders need more challenging works.
As a homeschool mom and a tutor I use this workbook regularly to review and reinforce concepts with my students. Appreciate the layouts and clean pages and the systematic build to the level of the work.