In 10 Minutes a Day: Math Grade 1 first graders can practice their skills in addition, subtraction, 3-D shapes, sequences, telling time, patterns, and more.Accompanied with a digital timer, the 10 Minutes a Day series provides quick exercises testing a range of skills and knowledge. Each spread takes a maximum of ten minutes to complete, with a mix of problems that can be quick to answer, or take a little longer. Complete with parents'' notes including tips, guidance, and answers, these workbooks are the perfect reinforcement aids for help at home.