(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 ...

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

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 ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hello! Today we're going to break numbers into their parts. Numbers are written in parts. When we look ...