Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using addition and subtraction strategies to solve two-digit equations ...

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 ... of adding 3-digit and 1-digit numbers ...

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 ... of adding 3-digit and 1-digit numbers ...

Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using different addition and subtraction strategies to solve two-digit ...