The main focus of this lesson is to develop fluency in subtracting within 100 using the compensation strategy.
Some key tasks covered in this lesson include counting backwards by tens, subtracting by making a 10 or a multiple of 10, simplifying subtraction sentences, and using backward skip count by tens.
At the end of the lesson, students will complete an exit slip where they solve problems independently to assess their understanding of the concepts covered in the class.