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 ...

(dramatic orchestral music) (air swooshes) (magic chimes) (Springling boinging) (Dotsan screaming) - [Kids] Math Mights. - Welcome Math Mights, Mrs. Markovich here, and we've got a whole lot of fun ...

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, ...