A big standard for 2nd grade students is learning different subtraction strategies for 3-digit numbers. My first year teaching 2nd grade, these lessons intimidated me. “We made it through some hard lessons…” That’s what I heard years ago at lunch from the 2nd...
I feel like the big standard that students learn in 2nd grade is 3 digit addition strategies. During the school year we set the foundation with math facts and place value concepts so that students can be successful with three digit addition strategies. And to be...
The regrouping method for 3-digit addition is one of my favorite things I teach my 2nd grade students. I love how students can use place value concepts and find patterns that help them add using the regrouping method. I find that my students learn this method best...
When first teaching the partial sums addition method, it intimated me. I did not look forward to teaching it to my 2nd grade students. I just wanted to teach them the regrouping method because that was my math comfort zone when it came to adding 3-digit numbers. But...
Mental math is one of the most powerful things we can teach to students. I am always so curious on how different people solve different math equations in their heads. When we do mental math, we are flexible with the numbers to make them easier to work with. And...
The open number line strategy can be tricky for many students. There is a lot of drawing and mental math skills involved. But over the years of teaching how to add an open number to my 2nd grade students, I have found how to best scaffold this method so that students...
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