Numbers and Operations in Base TenVideo Lessons

Use equivalent fractions as a strategy to add and subtract fractions(major work)

Big Ideas: Because fractions are representations of equal parts, they can only be added or subtracted when those parts are of the same size or value. This lesson builds on students' work with subtracting fractions with like denominators. This task uses ...

Big Ideas: Finding equivalent fractions allows us to add or subtract mixed numbers. This lesson builds on students' work adding and subtracting fractions with like denominators. In this task, students are presented a deli list containing fractions with ...