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, ...

Write the numbers in a vertical list, lining up the decimal points. If the numbers have a different amount of digits, there may be some gaps in the columns. Fill in any gaps with a zero so that each ...

(happy music) (springing) (creaking) (squeaking) - [Kids] Math Mights! - Welcome first grade Math Mights. I'm Mrs. Markavich, and I'm so excited that you're here with me today. Let's take a look at ...