LESSON PLAN IN MATHEMATICS 5
I.
OBJECTIVES: At the end of the lesson the students are e!e"ted to: a. Co#n$t$%e: de&ne rat$o rat$o and and !ro!ort$on !ro!ort$on $n understanda understanda'le 'le (a). '. Ident$f) the rat$o rat$o of the #$%en #$%en ea*!les ea*!les $n $n +,a""ura"). ". Ps)"ho* Ps)"ho*otor otor:: Sol%e for for the *$ss$n# *$ss$n# ter* ter* of the #$%en #$%en !ro!ort$on d. Part$"$!ate Part$"$!ate $n the the #rou! #rou! a"t$%$t$es a"t$%$t$es attent$%el). e. Ae"t$%e: Value Value the $*!ortan"e $*!ortan"e of rat$o rat$o and !ro!ort$on !ro!ort$on $n real l$fe s$tuat$ons.
I I.
S/BJECT MATTE0: a. TOPIC: TOPIC: 0at$o 0at$o and Pro!o Pro!ort$o rt$on n '. 0eferen"es: 0eferen"es: Mathe*at$"s Mathe*at$"s for a 'etter l$fe l$fe !! 1+231+4 htt!:66(((.sl$deshare.net6"r$st)*elloso6lesson!lan3$n3*ath373 rat$o3and3!ro!ort$on ". Mater$als: Po(er Po(er Po$nt Po$nt P$"tur P$"tures es Pu88les Pu88les Man$la Man$la !a!er !a!er Illustrat$on 'oard
III.
P0OCE9/0E
TEACHER’S ACTIVITY
A. P0EP P0EPA0A A0ATION TION 1. r ree eet$ t$n# n#s s ood *orn$n# "lass; O< "lass re*a$n stand$n# for our !ra)er ===== !lease lead the !ra)er. O< !lease s$t do(n. So ho( are )ou th$s *orn$n#> I?* #ood too. O< all of )ou are !resent toda) so 'efore (e !ro"eed to our d$s"uss$on <$ndl) !$"< u! !$e"es of !a!er under )our
STUDENT’S ACTIVITY
ood *orn$n# tea"her. A*en.
@e?re #ood tea"her ho( a'out )ou>
"ha$rs. B. 0e%$e( So (hat (as our !re%$ous to!$"> Ver) #ood so as a re"a! #$%e the eu$%alent ra"t$ons of the follo($n# &#ure.
the students !$"< u! !$e"es of !a!er under the$r "ha$rs.D
ra"t$on *a?a*
26
264
Festerda) (e also d$s"ussed ho( to s$*!l$f) fra"t$on. So th$s one redu"e $t to lo(est ter*. 561,
Fes Tea"her.
Stud1. The C $s 5 G$s the lo(est ter* *a?a* Fes *a?a*
Ver) #ood; So $s th$s "lear to )ou "lass> C. Mot$%at$on
O
A!!les and 'as
Ver) #ood; No( ho( *an) a!!les are there> Fes; Ho( a'out the 'as Ea"tl). Th$s $llustrat$on states that There are 7 a!!les and 2 'as Ver) #ood. Ho( a'out th$s one>
7 2
+61
561,
@hat d$d )ou see> Ver) #ood; Are the) eual to Ea"h other> @h)>
The a!!le *a?a*
ra"t$ons Fes *a?a* Be"ause $f (e redu"e the* to lo(est Ter* $t 'e"o*e eual: G and G
Ver) #ood; 9. P0ESENTATION Based on the #$%en ea*!le do )ou ha%e an) Idea a'out (hat our to!$" for toda)>
O< I ha%e here a !u88le $n th$s !u88le )ou "an $nd our to!$" for toda). @ho (ants to &nd $t>
None *a?a*
Student1 ($ll en"$r"le the (ord rat$o
Fes ======== Another 1..======== Ver) #ood our lesson for toda) $s 0ATIO
Student2 ($ll en"$r"le the (ord !ro!ort$on
AN9 P0OPO0TION;;
E. 9ISC/SSION I ($ll sho( )ou &rst a (ord !ro'le*. Please read; 0onald 'ou#ht !en"$ls for 1, !esos at Elen?s S"hool Su!!l) Store. 0u') 'ou#ht 7 !en"$ls for 2, !esos. Co*!are the !en"$ls to the a*ount of ea"h "h$ld. @ho (ants to "o*!are the !en"$ls of 0onald>
e%er)one readD
Stud1 to 1, *a?a* Stud2 7 to 2, *a?a*
Ho( a'out 0u')> 0at$o $s the "o*!ar$son of t(o uant$t$es or nu*'ers *a?a* No( 'ased on (hat I !resent to )ou ho( do )ou de&ne the 0ATIO> Fes that?s n$"e. 0at$o $s the "o*!ar$son Of t(o or *ore uant$t$es It "an 'e (r$tten $n t(o (a)s 2:5 or 265 ColontoD or fra"t$on O< I ha%e here another !ro'le*. In *$ss La Ho(>
:7 or 67 *a?a* Fes *a?a* The C $s @e s$*!l) d$%$de the nu*erator and deno*$nator to and the ans(er $s 162
Fes *a?a* Ver) #ood;======= So (e "an sa) that 67 $s eual to G>
So $f the t(o rat$o are eual (e "alled $t P0OPO0TION; @e "an also &nd out $f the t(o rat$o are eual If the$r "ross !rodu"t are eual. Let?s ha%e another ea*!le: 4:1, and 216, do a rat$o for* a !ro!ort$on> Here?s another one. 6+ and 26
Fes *a?a* the C $s In "ross *ult$!l$"at$on 4,K21, And 1,21K21,
No *a?a* Be"ause the$r C and "ross !rodu"t are not the sa*e.
9o the rat$os for* a !ro!ort$on> @h)> Ver) #ood; Be"ause the #"f of the nu*erator $s And the deno*$nator $s
The C of the deno*$nator $s the *$ss$n# $s deno*$nator. So 5 K 2, The *$ss$n# ter* $s 2,
Ho( a'out th$s one> 176===K 65> An)one> Ver) #ood to "he"< 175K, 2,K,
No( let?s ha%e an a"t$%$t) $nd the rat$o orall);
*a) 2 students a
So $s rat$o and !ro!ort$on "lear to )ou> Fes *a?a* O< "lass "ount 1 to for our #rou!$n#s Class the fastest #rou! to &n$sh $n "orre"t ans(er th$s a"t$%$t) ($ll ha%e a !r$8e
sa'a) sa') !o 'u
sa#ot na!o unahan lan# *a#sulat D Let?s su**ar$8e our lesson for toda); @hat $s rat$o> Ho( a'out the !ro!ort$on>
Ver) #ood; O< "lass do )ou understand the rat$o and !ro!ort$on>> @e "an also use rat$o $n 'a<$n# (ho lo%es to eat "a or ea*!les the no. of e## to our $s 7 e##s to 12 "u! 7:12 or 162
0at$o $s the "o*!ar$son 'et(een t(o nu*'ers; Pro!ort$on $s an euat$on stat$n# that t(o rat$os are eual;
Fes *a?a*
Ma?a*ra$s$n# handsD
No( to
17 2, , 15 2
ASSINMENT B$#a)
MA0AMIM SALAMAT PO;; PLEASE HELP. 0OSALIE . 0O90I/E
