Every district, school and teacher is unique, and it is only through a thorough understanding of the evidence base and efficacy of professional services that HMH is able to customize a collaborative approach to improve teacher practices and student achievement. The Evidence Base and Efficacy of HMH...
Small mixups with the math rules of operations or parentheses can cause drastic changes! Imagine incorrectly evaluating an expression when calculating a medicine dosage or a cost, for example. Give students a few more examples, showing an expression with and without parentheses. Have student ...