1.1 count, read and write whole numbers to 100 2. Students demonstrate the meaning of addition and subtraction and use these operations to solve problems. Students use number sentences to solve problems. Number Sense 2. 2.2 find the sum or difference of two whole numbers up to three digits long Mathematical Reasoning 2.
Students solve problems and justify their reasoning.
Number Sense 1. Students understand place value of whole numbers. 1.1 count, read, and write whole numbers to 10,000 Mathematical Reasoning 1. Students make decisions about how to approach problems.