Everyday Math Grade 4 – Lesson 4.1 Understanding Decimals Copyright © 2011 Kelly Mott

Everyday MathGrade 4 – Lesson 4.1

Understanding Decimals

Copyright © 2011 Kelly Mott

Lesson Components:Part 1: Math Boxes 4.1 Page 82Part 2: PowerPoint LessonPart 3: Math Journal Page 50Part 4: Math Journal Page 51Part 5: Additional Sheets Name It See and Say What’s the Point



Math Boxes Lesson 4.1

Page 82


Math Box 1:


Math Box 2:


Math Box 3:


Math Box 4:


Math Box 5:


Math Box 6:

Everyday MathGrade 4 – Lesson 4.1

Understanding Decimals


PART 1: PLACE VALUE & DECIMALS


When we write numbers, the position or “place” of each number is important.

Place Value


Place Value


Numbers to the left of a decimal point represent whole numbers.

Place Value


Numbers to the right of a decimal point represent parts of a whole.

Place Value


PART 2: Tenths


• Decimals are smaller than whole numbers. A decimal is a part of a whole.

• The first place to the right of the decimal represents the tenths place.

The Tenths Place


.3 or 310=

• Let’s Practice. • Write the decimal and the fraction for

each.

The Tenths Place


= or

• Write the decimal and the fraction for each.

The Tenths Place


or=


The Tenths Place


or=


The Tenths Place


or=

PART 3: Hundredths


• The second place to the right of the decimal represents the hundredths

place.

The Hundredths Place


=.26 or 26100


each.



or=


each.



or=


each.



or=


each.



or=


each.



or=

PART 4: MIXED NUMBERS


A mixed number is a whole number and a fraction or a part of a whole.

Mixed Numbers


2.8 or 2 810

Mixed Numbers


or

Mixed Numbers


or

Mixed Numbers


or

Mixed Numbers


or

Mixed Numbers


or

Mixed Numbers


or

Mixed Numbers


or

Mixed Numbers


or

Mixed Numbers


or

PART 5: WORDS TO DECIMALS


7 tenths

Write the Decimal


48 hundredths

64 hundredths

Write the Decimal


3 tenths

1 tenth

Write the Decimal


7 hundredths

8 hundredths

Write the Decimal


5 tenths

1 hundredth

Write the Decimal


9 hundredths

PART 6:


http://www.ixl.com/

http://www.ixl.com/

Does this make sense?


a



HOMEWORKPage 80


HOMEWORKPage 81


HOMEWORKAdditional Sheets: Name ItSee and SayWhat’s the Point


Documents

Everyday Math Grade 4 – Lesson 4.1 Understanding Decimals Copyright © 2011 Kelly Mott