The OpenSciEd elementary science program al
IM® v.360 K-5 Math is an IM Certified curriculum providing trusted, highly rated materials to ensure students thrive in mathematics. Each Illustrative Mathematics lesson has four phases, from pre-unit practice modules to cool downs, focusing students’ attention on definitions, notations, and graphical conventions contributing to the development of real numbers.
Grade 1
The big ideas in grade 1 include: developing understanding of addition, subtraction, and strategies for addition and subtraction within 20; developing understanding
Patricia MacLachlan encourage her readers to explore what the meaning of love, marriage, and family mean to them in Sarah, Plain and Tall, the story of a family living on a farm on the prairie. Anna and Caleb’s mother died the day Caleb was born. Now, years later, Papa advertises in the paper for a new wife. Sarah Wheaton, a woman from Maine, writes to Papa and the children in response to the advertisement, and then she comes to visit for a month, “just to see.” As Papa, Anna, and Caleb get to know Sarah and she gets to know them, they all realize that Sarah will have to make an im