Idea 13of 23Builds onMore digits is not more
Put decimals in order
How do you put 3.2, 3.02 and 3 in order?
Today you'll discover
- why writing all to hundredths helps
- which place to compare first
- how to order four decimals
Think first3.2, 3.02 and 3
What is the order of 3.2, 3.02 and 3, from least to greatest?
Decide first, then press Next. Fill every row to the hundredths.
A place-value chart with three rows: 3.2, 3.02 and 3. Green zeros fill the empty places: 3.20, 3.02, 3.00. The tenths column is shaded. Then the line: least to greatest, 3, 3.02, 3.2. The last step shows 1.5, 1.05, 1.15 and 0.51.
See the whole ideathe big idea and the key word, in one place
The big idea
Write every number to hundredths, then compare the ones, then the tenths, then the hundredths.
Least to greatest
Written to hundredths, the order is plain: 0.51, 1.05, 1.15, 1.50.
Easy to get wrongStart from the left, the biggest place. A bigger hundredths digit never beats a bigger tenths digit.
Key word
- ascending order
- from least to greatest, smallest first
Ready to use it?
- Order decimals from least to greatest.
- Order decimals from greatest to least.