In This Unit of Study…
Students will extend their understanding and strategies of adding to find the sum of 3 whole numbers. Students represent problems by using objects, drawings, and equations with a symbol for the unknown value in all positions, while understanding that the sum or difference can be on either side of the equal sign.
B.E.S.T. Benchmarks:
- MA.1.AR.1.1 Apply properties of addition to find a sum of three or more whole numbers within 20.
Overarching Key Concepts:
- Apply properties of addition to find sums of three or more whole numbers.