Before students can begin subtracting 2 and 3 digit numbers, they must have a strong foundation of how subtraction works. Using their background knowledge of addition which means greater than or more, they can begin to learn that subtracting means taking away or fewer. Because not all students learn the same way, I like to share multiple methods with my… Read More

Second grade is a very important year when it comes to fact fluency. This is the time when they are learning to become familiar with two-digit addition and subtraction facts. In my previous post, I shared four addition strategies that I focus on  Today, I’ll be sharing four subtraction strategies used for introducing 2-digit subtraction. Just like introducing 2-digit addition,… Read More

Second grade is the first year students are exposed to two-digit addition problems. It is the year that they will be exposed to multiple addition strategies that they can use to solve problems. We spend a lot of time discussing these addition strategies, using models and manipulatives, and doing mental math. It is often asked why we teach things so… Read More