FormsofDecimals
Name:
Math5
Date:
Chapter2–Lesson1and2
WordForm Toproperlyreadadecimalnumber:
ofDecimals
1.) Saythewholenumberpart.
2.) Say,“and.”
3.) Saythedecimalpart,asifitwereawholenumber.
4.) Saytheplacevaluepositionofthelastdigitinthenumber.
Howdoessayinganumberproperlyhelpyouwritethewordformof
thenumber?
Copythenumberontheboard.Saythenumberinyourhead,then
writethewordform.
Writing
Copythenumberontheboard.
Decimalsas Fractions
Saythenumber.Writeitasafraction.
Explainhowtowriteadecimalasafraction.
Practice:
Copyeachexampleontheboard:
Writethe
1.) wordform
ofeach
number.
Then,write
2.) itasa
fraction.
FormsofDecimals
Math5
Chapter2–Lesson1and2
3.)
Expanded
Formof
Decimals
Practice:
Writeeach
numberin
expanded
form.
Name:
Date:
4.) 5.) 6.) Howdoyouwritetheexpandedformofawholenumber?
Comparethattowritingtheexpandedformofadecimalnumber.
Copythenumberontheboard.Whatisthevalueofthe5?Howdo
youknowyou’reright?
7.) 8.) 9.) FormsofDecimals
Name:
Math5
Date:
Chapter2–Lesson1and2
WordForm Toproperlyreadadecimalnumber:
ofDecimals
5.) Saythewholenumberpart.
6.) Say,“and.”
7.) Saythedecimalpart,asifitwereawholenumber.
8.) Saytheplacevaluepositionofthelastdigitinthenumber.
Howdoessayinganumberproperlyhelpyouwritethewordformof
thenumber?
Youjustwritewhatyousay!
Copythenumberontheboard.Saythenumberinyourhead,then
writethewordform.
3,002.4012
Threethousandtwoandfourthousandtwelveten-thousandths
Writing
Copythenumberontheboard.
Decimalsas Fractions
0.2
Saythenumber.Writeitasafraction.
!
“Twotenths”OR!"
Explainhowtowriteadecimalasafraction.
Writethedigitsinthenumerator(top).
Writetheplacevaluepositionofthelastdigitinthedenominator
(bottom).
Writeanywholenumberpartsinfrontofthefractiontomakea
mixednumber.
Practice:
Copyeachexampleontheboard:
Writethe
1.) 0.3
!
wordform
ThreetenthsOR!"
ofeach
number.
2.) 0.03
Then,write
!
ThreehundredthsOR!""
itasa
fraction.
FormsofDecimals
Math5
Chapter2–Lesson1and2
3.)
Expanded
Formof
Decimals
Practice:
Writeeach
numberin
expanded
form.
Name:
Date:
!"
!""
FifteenhundredthsOR0.15
4.) 10.364
!"#
Tenandthreehundredsixty-fourthousandthsOR10 !"""
5.) 45.9235
Forty-fiveandninethousand,twohundredthirty-fiveten!"#$
thousandthsOR45 !!!!!
6.) 14,003.0046
Fourteenthousand,threeandforty-sixten-thousandthsOR
!"
14,003 !!!!!
Howdoyouwritetheexpandedformofawholenumber?
Writethevalueofeachdigit.
Comparethattowritingtheexpandedformofadecimalnumber.
Youdothesamethingasforwholenumbers!
Copythenumberontheboard.Whatisthevalueofthe5?Howdo
youknowyou’reright?
142.857
Thevalueofthe5is“fivehundredths”or0.05.
Iknowthisbecauseit’sa5inthehundredthsplace.
7.) 0.4
0.4
8.) 2.95
2+0.9+0.05
9.) 123.0453
100+20+3+0.04+0.005+0.0003