Lesson 1.5. Comparing and Ordering Decimals. Goals: Understand that decimal place values can be used to compare and order decimals. Comparisons!. ipad vs. windows tablet. The Science teachers decided it would be fun to measure some ants…. The first ant measured 0.521 centimeters.
Comparing and Ordering Decimals
Goals: Understand that decimal place values can be used to compare and order decimals.
The first ant measured 0.521 centimeters.
The second ant measured 0.498 centimeters.
The last ant measured 0.550 centimeters.
Which ant was longest?
Which was shortest?
Let’s compare these numbers by looking at the values of each digit starting with the tenths place.
Are the tenths digits the same or different?
So, which ant is smallest?
Now compare the hundredths digits. Which ant is the next smallest?
These are number sentences.