,*eetah ,unit ,a ,table ( ,3t5ts ,meet ! ,*eetah """"""""""""""""""""" #a ,:at ! ,*eetah ,looks ,l """""""""""" #b ,! ,*eetah's ,habitat """"""""""""""" #c ,*eetah ,unit ,a ,ma? ,skills """"""" #d ,problems = ,*eetah ,unit ,a ,problem #a """"""""""""""""""""""" #e ,problem #b """"""""""""""""""""""" #f ,problem #c """"""""""""""""""""""" #g ,problem #d """"""""""""""""""""""" #h ,problem #e """"""""""""""""""""""" #i ,problem #f """""""""""""""""""""" #aj ,3clu.n """""""""""""""""""""""""""" #aa ,gloss>y """"""""""""""""""""""""""" #ab ,meet ! ,*eetah ,*eetahs >e a ^1species ( l>ge cat f.d 9 ^1,africa4 ,!y >e 3sid]$ ! fa/e/ animals on l&1 ) a top spe$ ( #gj ^1miles p] h\r4 ,!y c ^1a3el]ate fa/] ?an a sports c>6 ,!y c al turn & *ange direc;n 9 mid-air1 : helps !m *ase & cat* _! ^1prey4 ,h["e1 ! *eetah c only run at top spe$ = a few m9utes & !n x m/ re/4 ,*eetahs d n ro> l lions b !y purr1 especially :5 !y >e >.d o!r *eetahs4 #b ,:at ! ,*eetah ,looks ,l ,! graphic ( ! *eetah %[s x /&+ & fac+ t[>d ! left4 ,xs color is gold5 ) br[n spots cov]+ all xs body except ! h1d4 ,! *eetah has a l;g body4 ,xs tail is alm half ! l5g? ( xs body & curls up 9 a ;,u-%ape4 ,xs h1d is small1 ) a small r.d$ e> & a small black nose4 ,l;g :isk]s gr[ f j 2h xs nose1 & %ort] :isk]s /ick \ f xs *94 ,! animal graphic is sep>ate4 #b ,! ,*eetah's ,habitat ,*eetahs live 9 ! grassl&s ( ^1,africa1 ": h]ds ( ^1gazelles & o!r ^1prey animals live4 ,*eetahs w foll[ or ^1/alk _! ^1prey1 hid+ 9 ! grass until !y get close4 ,!n !y bur/ \ runn+ at top spe$ to cat* ! animal4 ,*eetahs eat _! ^1prey qkly 2c "! >e o!r ^1pr$ators 9 ! ^1grassl&s1 s* z lions1 :o mie small]1 s if a lion approa*es1 ! *eetah w back away & give up xs m1l4 ,*eetahs >e m sociable ?an _m cat ^1species1 & males w (t5 sp5d _! :ole lives hunt+ tgr4 #c ,*eetah ,unit ,a ,ma? ,skills ,le>n m ab ! *eetah z y "w ) ^1frac;ns & ^1p]c5tages4 ,tactile graphics >e provid$ to solve problems #b & #e4 #d ,*eetah ,unit ,a ,problem #a ,problem3 ,*eetahs ^1/alk _! ^1prey4 ,!y hide 9 ! grass & foll[ ! animal until !y get close 5 to bur/ \ runn+ & attack4 ,h["e1 ! *eetah _c run at top spe$ = v l;g1 s "s"ts ! ^1prey w escape4 ,only #a/b ( ! *eetah's hunts >e su3ess;l4 ,:at is #a/b 9 ^1p]c5t =m8 ,h9t #a3 ,a p]c5tage is a frac;n ) #ajj z ! d5om9ator4 ,h9t #b3 ,"o is :at p]c5t ( two8 #e ,*eetah ,unit ,a ,problem #b ,look at ! tactile graphic4 ,problem3 ,! b> graph %[s h[ *eetahs typically sp5d _! "t dur+ a #bd-h\r "d4 ,:at ^1p]c5tage ( ! *eetah's "t is sp5t ^1/alk+ xs ^1prey8 ,h9t #a3 ,! *eetah sp5ds #f h\rs /alk+ prey \ ( #bd h\rs 9 a "d4 ,h9t #b3 #f is :at p]c5t ( #bd8 #f ,*eetah ,unit ,a ,problem #c ,problem3 ,"o problem = ! *eetah ^1species is t only #e.0 ( ! cubs born 9 ! wild survive to adulthood4 ,only adult *eetahs c ^1reproduce cubs4 ,! "m m/ l1ve h] cubs to hunt1 l1v+ !m at risk f ^1pr$ators l lions4 ,9 "o ^1pres]ve1 ^1sci5ti/s record$ #cjj cubs born ov] a ?ree-ye> p]iod4 ,h[ _m cubs surviv$ 9to adulthood8 ,h9t #a3 #e.0 is equival5t to ! frac;n #e_/#ajj4 ,h9t #b3 ,:at is #e.0 ( #cjj8 #g ,*eetah ,unit ,a ,problem #d ,problem3 ^1,sci5ti/s 2lieve t ! *eetah popula;n has ^1decl9$ by #cj.0 9 ! la/ #bj ye>s4 ,if ! popula;n 0 #ijjj *eetahs !n1 :at is x n[8 ,h9t #a3 ,if ! popula;n has decl9$ #cj.01 t m1ns ! curr5t popula;n is #gj.0 ( :at x us$ to be4 ,h9t #b3 ,:at is #gj.0 ( #ijjj8 #h ,*eetah ,unit ,a ,problem #e ,look at ! tactile graphic4 ,problem3 ,! map %[s ! 4t.es travel$ by a "m *eetah f h] cubs4 ,%e travel$ to "o ^1prey animal1 & !n on to attack a second "o 2f go+ on to a wat]+ hole4 ,%e _h g"o #dj.0 ( ! total 4t.e :5 %e attack$ ! second ^1prey animal4 ,h[ f> did %e travel f h] cubs to ! wat]+ hole8 ,yr answ] w 2 a ^1mix$ ^1numb]4 ,h9t #a3 ,! 4t.e 9 miles to ! second prey is #dj.0 ( ! total 4t.e4 ,h9t #b3 #c is #dj.0 ( :at8 #i ,*eetah ,unit ,a ,problem #f ,problem3 ,! *eetah is ! _w's fa/e/ animal on l&4 ,xs top spe$ is #gj ^1miles p] h\r4 ,a ^1gazelle's top spe$ is #di miles p] h\r4 ,express ! gazelle's top spe$ z a ^1p]c5tage ( ! *eetah's4 ,h9t #a3 ,express #di z a p]c5tage ( #gj4 ,h9t #b3 #di/gj equals x_/#ajj4 ,use cross multiplica;n & divi.n to solve = ;x1 ! gazelle's spe$ 9 p]c5t =m4 #aj ,3clu.n ,y h complet$ ,*eetah ,unit ,a on ^1frac;ns & ^1p]c5tages4 ,9 ,*eetah ,unit ;,b y'll le>n m ab ^! fa/ & b1uti;l cats4 #aa ,gloss>y a3el]ate ,to a3el]ate m1ns to 9cr1se spe$ ov] "t4 ,africa ,africa is a l>ge 3t95t 9 ! ,s\!rn ,hemisp"h4 ,x 9cludes c.tries s* z ,s\? ,africa1 ,namibia & ,k5ya4 decl9$ ,decl9$ m1ns t "s?+ has gott5 small]4 frac;n ,a frac;n is a numb] t repres5ts "p ( a :ole4 ,x has a num]ator & a d5om9ator4 #a/b is a frac;n4 gazelle ,a gazelle is a type ( antelope f.d 9 grassl&s4 grassl&s ,grassl&s >e l>ge >1s ( l& ": mo/ ( ! plants >e wild grasses4 mile ,a mile is a unit ( 4t.e equal to #ebhj feet4 ,mo/ p wd take ab #ae to #cj m9utes to walk a mile4 mix$ numb] ,a mix$ numb] has a :ole numb] & a frac;nal "p4 ,= example1 #c#a/b is a mix$ numb]4 p]c5t ,a p]c5t is "p ( a :ole :5 ! :ole is #ajj4 ,half a pizza is #ej p]c5t4 pr$ator ,a pr$ator is an animal t #ab hunts o!r animals = food4 pres]ve ,a pres]ve is an >ea ": animals live & >e protect$ f 2+ h>m$ or hunt$ by p4 prey ,prey >e animals t >e eat5 z food by o!r animals4 reproduc;n ,reproduc;n is ! biological process 9 : babies >e cr1t$ by p>5ts4 sci5ti/ ,sci5ti/s >e p :o /udy nature4 ,sci5ti/s >e 9t]e/$ 9 animals' 2havior & _! habitats4 species ,a species is a gr\p ( animals t >e closely relat$ to ea* o!r4 ,!y c reproduce ) ea* o!r b n ) o!r animals t >e n ( ! same species4 /alk ,to /alk m1ns t a pr$ator w foll[ xs prey until x gets close 5 to attack4 #ac ,*eetah ,unit ;,b ,table ( ,3t5ts ,meet ! ,*eetah """"""""""""""""""""" #a ,:at ! ,*eetah ,looks ,l """""""""""" #b ,! ,*eetah ,habitat """"""""""""""""" #c ,*eetah ,unit ;,b ,ma? ,skills """""" #d ,problems = ,*eetah ,unit ;,b ,problem #a """"""""""""""""""""""" #e ,problem #b """"""""""""""""""""""" #f ,problem #c """"""""""""""""""""""" #g ,problem #d """"""""""""""""""""""" #h ,problem #e """"""""""""""""""""""" #i ,problem #f """""""""""""""""""""" #aa ,3clu.n """""""""""""""""""""""""""" #ab ,gloss>y """"""""""""""""""""""""""" #ac ,meet ! ,*eetah ,*eetahs >e a ^1species ( l>ge cat f.d 9 ^1,africa4 ,_! l;g legs let !m cov] a lot ( gr.d :5 !y run4 ,_! *e/s >e relatively l>ge s t _! he>t & lungs c take 9 lots ( oxyg5 :ile !y >e runn+4 ,_! fur is gold5 br[n ) black spots4 ,_! tails >e l;g & ?ick1 ) black r+s 9 ! fur at ! 5d4 ,*eetahs h black l9es t g f ! 9side ( _! eyes to ! sides ( ! m\?4 ^1,sci5ti/s ?9k ^! l9es help to r$uce ! gl>e f ! sun1 s t ! *eetah c see xs ^1prey m easily4 ,:at ! ,*eetah ,looks ,l ,! graphic ( ! *eetah %[s x /&+ & fac+ t[>d ! left4 ,xs color is gold5 ) br[n spots cov]+ all 8 body except ! h1d4 ,! *eetah has a l;g body4 ,xs tail is alm half ! l5g? ( xs body & curls up 9 a ;,u-%ape4 ,xs h1d is small1 ) a small r.d$ e> & a small black nose4 ,l;g :isk]s gr[ f j 2h xs nose1 & %ort] :isk]s /ick \ f xs *94 ,! animal graphic is sep>ate4 #b ,! ,*eetah's ,habitat ,*eetahs >e f.d 9 ! ^1grassl&s 9 ^1,africa4 ,*eetahs usually hunt 9 ! morn+s or late 9 ! "d :5 ! temp]atures >e cool]4 ,!y w foll[ a ^1prey animal1 l a ra2it or a ^1gazelle1 until !y c get close 5 to attack4 ,adult female *eetahs c give bir? to up to six cubs at a "t1 b n all w survive4 ,= ! f/ six weeks1 ! "m m/ l1ve h] t9y cubs hidd5 9 ! tall grass :5 %e se>*es = food1 s !y >e vuln]able to o!r ^1grassl& ^1pr$ators s* z lions & ^1hy5as4 #c ,*eetah ,unit ;,b ,ma? ,skills ,le>n m ab ! *eetah z y solve problems ab spe$1 "t & 4t.e4 ,tactile graphics >e provid$ to solve problems #b & #e4 #d ,*eetah ,unit ;,b ,problem #a ,problem3 ,"o *eetah cub ga9$ #fj ^1p.ds 9 xs f/ ye>4 ,on av]age1 h[ m* ^1weie #ab mon?s 9 a ye>4 ,h9t #b3 ,divide #fj by #ab to f9d ! av]age wei #bjjj1 & ! numb] ( *eetahs 9 #bjaj4 ,if ! ^1decl9e 9 ! popula;n rema9s 3/ant1 h[ _m *eetahs w "! 2 9 #bjbj8 ,h9t #a3 ,f9d ! *ange 9 popula;n f #bjjj to #bjaj4 ,h9t #b3 ,if ! *ange is ! same f #bjaj to #bjbj1 h[ _m *eetahs w 2 left8 #f ,*eetah ,unit ;,b ,problem #c ,problem3 ,"o *eetah 0 record$ runn+ #ccj ^1feet 9 #f seconds4 ,assume t x ran at a 3/ant spe$4 ,h[ fa/ did ! *eetah run p] second8 ,h9t #a3 ,? is a divi.n problem4 ,h9t #b3 ,divide ! 4t.e by ! numb] ( seconds4 #g ,*eetah ,unit ;,b ,problem #d ,problem3 ,"o *eetah 0 record$ runn+ #ej ^1feet p] second4 ,if x ran #gej ^1feet at a 3/ant spe$1 h[ _m seconds did x run8 ,h9t #a3 ,? is a divi.n problem4 ,h9t #b3 ,divide ! total 4t.e by #ej to f9d ! numb] ( seconds4 #h ,*eetah ,unit ;,b ,problem #e ,4t.e & ,"t ,travel$ by ,?ree ,*eetahs 7777777777777777777777777777777777777777 ,*eetah ,4t.e 9 ,feet ,"t 9 ,seconds "333333 "333333333333 "3333333333333 ,a """" #ejj """""""" #bj ;,b """ #cjj """""""" #aj ;,c """ #gej """""""" #be gggggggggggggggggggggggggggggggggggggggg #i ,*eetah ,unit ;,b ,problem #e ,look at ! tactile graphic4 ,problem3 ,! table %[s ! 4t.es run by ?ree *eetahs 9 di6]5t am.ts ( "t4 ,:at is ! rate 9 ^1feet p] second ( ! fa/e/ *eetah8 ,h9t #a3 ,f9d ! rate = ea* *eetah by divid+ ! 4t.e by ! numb] ( seconds4 ,h9t #b3 ,comp>e ! rates ( ! ?ree *eetahs to f9d ! fa/e/4 #aj ,*eetah ,unit ;,b ,problem #f ,problem3 ,a "m *eetah m/ move h] cubs e few "ds to keep !m safe f ^1pr$ators l lions & ^1hy5as4 ,"o "m travel$ at #d ^1miles p] h\r = #ij m9utes 2f %e f.d a new hid+ place = h] ?ree cubs4 ,h[ f> did %e travel8 ,h9t #a3 #ij m9utes is equival5t to #a#a/b h\rs4 ,h9t #b3 ,! "m travel$ #d miles 9 "o h\r1 & half t f> 9 ! next #cj m9utes4 #aa ,3clu.n ,y h complet$ ,*eetah ,unit ;,b on spe$1 "t & 4t.e4 ,! *eetah is ! fa/e/ l& animal on ,e>?4 ,x "ws h>d to ^1/alk & kill xs ^1prey4 #ab ,gloss>y ,africa ,africa is a l>ge 3t95t 9 ! ,s\!rn ,hemisp"h4 ,x 9cludes c.tries s* z ,s\? ,africa1 ,namibia & ,k5ya4 decl9$ ,decl9$ m1ns t "s?+ has gott5 small]4 feet ,feet " >e a m1sure;t ( l5g?4 ,"o foot is #ab 9*es4 ,mo/ #ab-ye>-old *n >e ab #e feet tall4 gazelle ,a gazelle is a type ( antelope f.d 9 grassl&s4 grassl&s ,grassl&s >e l>ge >1s ( l& ": mo/ ( ! plants >e wild grasses4 hy5a ,a hy5a is a l>ge mammal ( ,asia & ,africa t eats ! fle% ( d1d animals4 ,hy5as look a bit l bo? dogs & cats4 mile ,a mile is a unit ( 4t.e equal to #ebhj feet4 ,mo/ p wd take ab #ae to #cj m9utes to walk a mile4 p.d ,a p.d is a unit ( m1sure;t t describes weie animals t >e eat5 z food by o!r animals4 sci5ti/ ,sci5ti/s >e p :o /udy nature4 ,sci5ti/s >e 9t]e/$ 9 animals' 2havior & _! habitats4 species ,a species is a gr\p ( animals t >e closely relat$ to ea* o!r4 ,!y c reproduce ) ea* o!r b n ) o!r animals t >e n ( ! same species4 /alk ,to /alk m1ns t a pr$ator w foll[ xs prey until x gets close 5 to attack4 wei