Relating addition and subtraction and playing the game BUMP; counting down. Relating addition and subtraction and playing the game BUMP; Working with numbers, starting with a number and counting down ...

(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.

When you are solving an addition calculation with a two-digit number, you need to think about tens and ones. A place value chart can help you to see the value of each digit in a number. For example, ...