Unit 1 - Addition and Subtraction Patterns
In Unit 1, students will review and strengthen their addition and subtraction skills learned in second grade. This includes a focus on addition and subtraction facts, the pattern of adding 10's, measuring, and problem solving. The first module (week) reviews addition strategies for facts to 20. The second module revisits subtraction strategies for facts to 20. Students are introduced to multi-digit addition on the open number line in module three and module four presents a collection of story problems and practice with multi-digit adding and subtracting.