Which number is larger: 1.3 or 1.30?

In this lesson you will learn to identify equivalent decimals by

comparing tenths and hundredths.

Let’s ReviewLet’s Review

0 1710 10

910

8610

510

410

310

210

110

210 = 0.2

Let’s ReviewLet’s Review

0 10.7 0.90.80.60.50.40.30.20.1

=0.2 210

Let’s ReviewA Common Mistake

4.13 4.013 =

4 1 3.

4 10 3.

1’s 1/10’s 1/100’s1/1000’s

Let’s ReviewCore Lesson

Jeff ran 3.2m and Sam ran 3.20m. Jeff says he ran farther than Sam. Is he

correct?

Let’s ReviewCore Lesson

Jeff Sam

=

3.203.2

Let’s ReviewCore Lesson

Which number is larger: 1.3 or 1.30?

Let’s ReviewCore Lesson

=

1.3 1.30

In this lesson you have learned to identify equivalent decimals

by comparing tenths and hundredth.

Let’s ReviewGuided Practice

Andy ran 2.6m. Patty ran 2.60m. Andy says he ran farther than Patty. Is he

correct?

Let’s ReviewGuided Practice

Andy Patty

=

2.6 2.60

Let’s ReviewExtension Activities

Representing Decimals with Base Ten Blocks

1 Give the large cube in a Base 10 set a value of 1, the flat a value of one tenth, the long a value of one hundredth, and the small cube a value of one thousandth.

2 Use 5 base ten blocks to represent a decimal number.

3 Record using pictures, numbers, word form and expanded form. Repeat using other combinations.

Let’s ReviewExtension Activities

Representing Decimal Numbers

Get 10 index cards, label them from 0 to 9,and get one counter to represent the decimal point.

1

2 Make ten different decimal numbers using the cards and a counter to represent thedecimal point.

3 Record each decimal number you make.Write it in expanded notation and in wordform.

Let’s ReviewQuick Quiz

Which number is larger 4.7 or 4.70?

Which number is larger 6.9 or 6.90?