Addition involves finding the total of two or more numbers or amounts. There are different things you can use to help you add. You can use number lines, place value charts and place value counters.

Want to help your first-grader master math? Here are some of the skills your child will be learning in the classroom. Understand place value in one- and two-digit numbers. Understand that in two-digit ...

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 ...