Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

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.

Bundle the ones to make 10. Moving left on the number line. Skip counting. Gone are the days of rote memorization, constant addition and subtraction drills and learning long division before you knew ...

When you estimate a number you decide approximately, or roughly, how big that number is. To estimate accurately, you need to have a good understanding of the value and order of numbers. A number line ...