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 ...

When you divide, you share or group an amount into a number of equal parts. Division is normally represented by the symbol ‘÷’. Division is the opposite of multiplication. Why not see how much you ...

The pirates are bored, so they count the number of people in line using ordinal numbers. The pirates are bored, so they count the number of people in line using ordinal numbers. Meanwhile, Peg, Cat, ...