1. Order 2.11, 2.21, 2, 2.06, and 2.24 from least to greatest.
EXAMPLE 2
Ordering Decimals
Order 2.11, 2.21, 2, 2.06, and 2.24 from least to greatest.
SOLUTION
On a number line, mark tenths between 2.0 and 2.3. Mark hundredths by dividing each tenth into ten equal parts. Then graph each number.
From least to greatest, the numbers are 2, 2.06, 2.11, 2.21, and 2.24.
ANSWER

2. Round 7.126 to the nearest tenth.
EXAMPLE 3
Rounding a Decimal
Round to the nearest tenth.
SOLUTION
You want to round to the nearest tenth.
7.126
Because the hundredths’ digit is less than 5, round down and drop the remaining digits.
ANSWER
The decimal rounded to the nearest tenth is 7.1.

3. Order the numbers from least to greatest.
GUIDED PRACTICE
for Examples 2 and 3
Order the numbers from least to greatest.
, 4.4, 4.83, 3.48, 4.38
3.48, 3.84, 4.38, 4.4, 4.83
ANSWER
, 5.8, 5.68, 5.79, 5.6
5.6, 5.68, 5.71, 5.79, 5.8
ANSWER

4. Round the number to the nearest hundredth. 6. 34.0152
GUIDED PRACTICE
for Examples 2 and 3
Round the number to the nearest hundredth.
34.02
ANSWER
1.50
ANSWER
22.67
ANSWER
125.70
ANSWER