Build, read, write, and represent three-digit numbers using base-10 blocks and symbols. Build, read, write (in standard and expanded form), and represent three-digit numbers using base-10 blocks and ...

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.

(gentle music) (bells chime) (animation boings) (animations screeching) - [Children] Math Mights. - Welcome back, Math Mights. Are you ready to have some fun with me doing math? My name is Mrs.

Numbers are made of digits. Where a digit is placed in a number tells you what value the digit has. You can use place value headings, like ones, tens and hundreds, to help you understand the value of ...