Value of Place-value Positions
T.I.P.S.
Students must understand and explain that every time you move one position to the left, that position is 10 times the position to its right. When moving one position to the right, the new position is one-tenth of the position to its left.
Example
Fill in the missing labels for the number line below. Explain with which place value you started and how you knew what to put there.