A comprehensive introduction to decimals and decimal place value. These activities use the Base 10 Block 100 Square as the One, the 10 Rod as .1, and the 1 cube as .01.
The “Thousand Cube,” therefore, is now 10. Numbers range from 2-digit decimal numbers (e.g., 54.75) to hundredths (e.g., .06).
Decimal place value is just a continuation of the pattern (already familiar to 4th and 5th graders) in whole number place value. These activities make this explicit, with images of the Base 10 B