The purpose of this lesson is to write addition expressions within 10 and find the sums.
This lesson builds on the previous lesson as students were asked to determine the sum of two dot cubes. It also builds on the work of kindergarten, where students wrote addition expressions to represent images and situations. In this lesson, students match expressions to dot images before they are asked to write addition expressions (MP2). Students also continue to build their math language related to the sums, addition expressions, and mathematical community (MP6).
Tell students they will have an opportunity to revise their math community ideas at the end of this lesson, so as they work today they should think about actions that may be missing from the current list.
- Write addition expressions within 10 based on images and add in a way that makes sense to them.
- Escribamos expresiones de suma y encontremos la suma de dos números.
- Create a set of cards from the blackline master for each group of 2.
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