A Mongolian gerbil’s tail is about the same length as its body. A gerbil has a body length of centimeters and a tail length of centimeters. Which is longer, the body or the tail? 11 EXAMPLE 1 Comparing Metric Lengths 10.6 Gerbils

To answer the question above, picture the metric ruler below. The tail length, centimeters, is to the left of the body length, 11 centimeters A Mongolian gerbil’s tail is about the same length as its body. A gerbil has a body length of centimeters and a tail length of centimeters. Which is longer, the body or the tail? EXAMPLE 1 Comparing Metric Lengths Gerbils

You can say: EXAMPLE 1 Comparing Metric Lengths  is less than or

You can say: EXAMPLE 1 Comparing Metric Lengths  is less thanis greater than or

You can say: EXAMPLE 1 Comparing Metric Lengths  is less thanis greater than or The gerbil’s body is longer than its tail. ANSWER

EXAMPLE 2 Standardized Test Practice

EXAMPLE 2 Standardized Test Practice Graph each number on a number line. Begin by marking tenths from to.Then mark hundredths by dividing each tenth into ten sections SOLUTION

EXAMPLE 2 Standardized Test Practice Graph each number on a number line. Begin by marking tenths from to.Then mark hundredths by dividing each tenth into ten sections. SOLUTION

EXAMPLE 2 Standardized Test Practice ANSWER An ordered list of the numbers is 3, 3.06, 3.1, 3.15, and The answer is B.

EXAMPLE 3 Comparing Decimals Copy and complete the statement with or =.

EXAMPLE 3 Comparing Decimals a.a Copy and complete the statement with or =. ?

EXAMPLE 3 Comparing Decimals. a.a Copy and complete the statement with or =. ?

EXAMPLE 3 Comparing Decimals. a.a The ones’ digits are the same. The tenths’ digits are different: 7 < 8 Copy and complete the statement with or =. ?

EXAMPLE 3 Comparing Decimals. a.a The ones’ digits are the same. The tenths’ digits are different: 7 < 8 ANSWER < Copy and complete the statement with or =. ?

EXAMPLE 3 Comparing Decimals b.b. Copy and complete the statement with or =. ?

EXAMPLE 3 Comparing Decimals b.b. 0 Copy and complete the statement with or =. ?

EXAMPLE 3 Comparing Decimals b.b. 0 The ones’ and tenths’ digits are the same. Write a zero. The hundredths’ digits are different: 4 > 0 Copy and complete the statement with or =. ?

EXAMPLE 3 Comparing Decimals b.b. 0 The ones’ and tenths’ digits are the same. Write a zero. The hundredths’ digits are different: 4 > > 2.9 ANSWER Copy and complete the statement with or =. ?

EXAMPLE 4 Ordering Decimals Order the gerbils from heaviest to lightest.

EXAMPLE 4 The digits are the same through the tenth’s place. Compare hundredths and then thousandths if necessary: SOLUTION Order the gerbils from heaviest to lightest. Ordering Decimals

EXAMPLE 4 The digits are the same through the tenth’s place. Compare hundredths and then thousandths if necessary: , , , and SOLUTION Order the gerbils from heaviest to lightest. Ordering Decimals

EXAMPLE 4 The digits are the same through the tenth’s place. Compare hundredths and then thousandths if necessary: The gerbils, from heaviest to lightest, are Alexi, Donald, Edgar, and Herbie. ANSWER SOLUTION Order the gerbils from heaviest to lightest. Ordering Decimals , , , and

EXAMPLE 3 GUIDED PRACTICE for Examples 1, 2, 3, and 4 Copy and complete the statement with or =.

EXAMPLE 3 1. GUIDED PRACTICE for Examples 1, 2, 3, and 4 Copy and complete the statement with or = ?

EXAMPLE 3 1. GUIDED PRACTICE 7.54 > 7.45 for Examples 1, 2, 3, and 4 Copy and complete the statement with or = ? ANSWER

EXAMPLE 3 2. GUIDED PRACTICE for Examples 1, 2, 3, and 4 Copy and complete the statement with or = ?

EXAMPLE 3 2. GUIDED PRACTICE for Examples 1, 2, 3, and 4 ANSWER 8.5 = 8.50 Copy and complete the statement with or = ?

EXAMPLE 3 GUIDED PRACTICE for Examples 1, 2, 3, and ? Copy and complete the statement with or =.

EXAMPLE 3 GUIDED PRACTICE for Examples 1, 2, 3, and ? < Copy and complete the statement with or =. ANSWER

EXAMPLE 3 GUIDED PRACTICE for Examples 1, 2, 3, and 4 4. Order the lengths from longest to shortest: m, m, m, and m. Copy and complete the statement with or =.

EXAMPLE 3 GUIDED PRACTICE for Examples 1, 2, 3, and 4 4. Order the lengths from longest to shortest: m, m, m, and m. ANSWER m, m, m, m Copy and complete the statement with or =.