Becoming comfortable with two-digit and three-digit numbers is an important skill. Becoming comfortable with two-digit and three-digit numbers is an important skill in second grade. Your child will ...

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 ...

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.