Students will learn to...
2-1 - Add and subtract whole numbers mentally using a variety of methods
2-2 - Round greater whole numbers to estimate sums and differences
2-3 - Add numbers to one million with and without regrouping using the standard algorithm
2-4 - Use place value and an algorithm to subtract whole numbers
2-5 - Use number sense and regrouping to subtract across zeroes
2-6 - Use previously learned concepts and skills to reason abstractly and make sense of quanitites and their relationships in problem situations