When you hear “partial sums algorithm,” you may be a little scared of the word “algorithm.” But really all that means is that it is a step by step procedure. When we teach our students the partial sums algorithm we are really just teaching them steps to use place...
First Day of School Plans For first day of school plans in my 2nd grade classroom, I like to keep things simple. My main goal is to have my students want to come back to school the next day. I don’t want to overwhelm my students with learning too many rules or...
Shapes are their properties are some of my favorite lessons in 2nd grade. These geometric shapes and their properties lessons are so different from the other math standards in 2nd grade that students love the change up of things too! The lessons are also...
When I share how to teach 3-digit subtraction with regrouping, I like to help other 2nd grade teachers see that it is all about helping students use place value concepts and find patterns. Sometimes teachers think it’s best to just show students the steps to...
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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