Decimal Place Value Resources & Teaching Ideas - Teaching with a Mountain View

Teach the meaning of the decimal point first..."and"; numbers to its right are less than one.; tenths place means a whole divided into ten parts...write "9", then 10, 99, 100...as # move left get greAater - what do you think happens if move right...yes,smaller.write.10 show how that means 1 dime...20 is 2 dimes....90 is nine dimes, then add that last dime...then .1 and .01...001