Discover why we need numbers smaller than 1 — tenths, hundredths, and thousandths — and how decimals extend the number system.
Just as whole numbers have places for ones, tens, and hundreds, decimals have places for tenths, hundredths, and thousandths — each one ten times smaller than the one before.
What is the value of the digit 7 in 3.457?
7 is in the thousandths place, so its value is 7/1000
Write 2 ones, 5 tenths, and 3 hundredths as a decimal.
2.53
To compare decimals, line up the decimal points and compare digit by digit from left to right, starting with the whole number part, then tenths, then hundredths.
Which is greater: 4.56 or 4.6?
4.6, since comparing tenths: 6 > 5
Arrange in ascending order: 0.7, 0.65, 0.8, 0.09
0.09, 0.65, 0.7, 0.8
1. What is the value of the digit 4 in 6.284?
2. Write 5 ones, 2 tenths, and 9 hundredths as a decimal.
3. Which is greater: 3.45 or 3.5?
4. Arrange in descending order: 1.2, 1.09, 1.25, 1.02
5. Which is smaller: 0.5 or 0.45?