This Problem Set is a part of the Lesson 21, Unit 3, Grade 2. In this lesson, students create and analyze patterns of counting by noticing if the counting is going by 1 more, 1 less, or 10 more or 10 less, or 100 more or 100 less.
This Problem Set is a part of the Lesson 21, Unit 3, Grade 2. In this lesson, students create and analyze patterns of counting by noticing if the counting is going by 1 more, 1 less, or 10 more or 10 less, or 100 more or 100 less.
