Does adding the bigger numbers, like 8 + 9, make students to break into a cold sweat or send them scurrying to the nurse’s office? If so, provide the skills they need to tackle those math facts; teach them how to add numbers that total up to 18.

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Please note that professional development, coaching, and infrastructure support are essential components to effective implementation of SIM instructional tools and interventions. It is highly recommended that you work with a SIM professional developer.