(playful music) (electronic bells ringing) - [Children] Math Mights! - Welcome back 1st grade Math Mights. I'm Mrs. Markovich and I'm here to do so many fun things in math with you today. Let's start ...

When you are adding larger numbers, it’s often better to use a written method. Column addition is a good written method to add one number to another. It involves putting the digits of each number into ...

In this video, I explain how to perform two-digit operations quickly using mental strategies. We'll cover **addition**, ...