,pol> ,be> ,unit ,a ,table ( ,3t5ts ,meet ! ,pol> ,be> """""""""""""""""" #a ,:at ! ,pol> ,be> ,looks ,l """"""""" #b ,! ,pol> ,be>'s ,habitat """""""""""" #c ,pol> ,be> ,unit ,a ,ma? ,skills """" #d ,problems = ,pol> ,be> ,unit ,a ,problem #a """"""""""""""""""""""" #e ,problem #b """"""""""""""""""""""" #f ,problem #c """"""""""""""""""""""" #h ,problem #d """"""""""""""""""""""" #i ,problem #e """""""""""""""""""""" #aj ,problem #f """""""""""""""""""""" #aa ,3clu.n """""""""""""""""""""""""""" #ab ,gloss>y """"""""""""""""""""""""""" #ac ,meet ! ,pol> ,be> ,pol> be>s >e l>ge ^1c>nivores liv+ 9 ! ^1,>ctic4 ,males wei< up to #afjj ^1p.ds4 ,!y >e l;g1 b h %ort legs & a small tail & e>s4 ,_! paws >e v l>ge s t !y c support _! ^1weim4 ,z pol> be>s get old]1 ! color ( _! fur *anges f :ite to yell[4 ^1,sci5ti/s w "s"ts ^1tranquilize a pol> be> s !y c wei< & m1sure x4 ,!y may put a ^1radio ^1transmitt] on x s !y c le>n ab h[ f> ! pol> be> travels to f9d xs ^1prey4 ,:at ! ,pol> ,be> ,looks ,l ,! graphic ( ! pol> be> %[s x /&+ & fac+ t[>d ! left4 ,! be>'s h1d is ext5d$ & xs small r.d nose is ?ru/ =w>d z x is sni6+ "s?+4 ,xs almond-%ap$ eye is op5$1 & xs e> is small & r.d4 ,! be>'s ?ick legs & body >e cov]$ ) hair4 ,x has a v %ort hairy tail on xs rump4 ,xs 5tire body is :ite4 ,! animal graphic is sep>ate4 #b ,! ,pol> ,be>'s ,habitat ,pol> be>s live 9 ! ^1,>ctic1 a cold region ( ! _w4 ,!y travel l;g 4t.es1 "s"ts walk+1 b m (t5 swimm+ 9 ! oc1n4 ,:5 x gets w>m] 9 ! ^1,>ctic1 ! ^1sea ^1ice1 call$ ! ^1ice ^1pack1 melts s 9 ! summ] pol> be>s swim m ?an !y d 9 ! w9t]4 ,pol> be>s travel to hunt ^1s1ls t !y c smell up to #a ^1mile away4 ,to cat* a ^1s1l1 ! pol> be> f9ds a hole 9 ! ice ": ! ^1s1l is go+ to come up to get air4 ,:5 ! ^1s1l pops up to br1!1 ! pol> be> uses xs paws to drag ! ^1s1l \ ( ! wat] & kill x4 #c ,pol> ,be> ,unit ,a ,ma? ,skills ,! problems 9 ? unit w give y a *.e to le>n m ab ! pol> be>4 ,z y complete !m1 y'll practice yr skills add+ & subtract+ numb]s4 ,tactile graphics >e provid$ to solve problems #b & #e4 #d ,pol> ,be> ,unit ,a ,problem #a ,problem3 ^1,sci5ti/s ^1capture pol> be>s to ^1monitor _! body weis >e ^1rel1s$ af !y >e wei<$4 ,9 ,octob]1 a #g-ye>-old pol> be> wei<$ #agg ^1kilograms "4 ,two mon?s lat]1 %e _h ga9$ #di ^1kilograms "4 ,h[ m* did %e ^1wei<8 ,h9t #a3 ,f9d ! two wei's new wei ,be> ,unit ,a ,problem #b ,weis 777777777777777777777777777777777777777 ,type ( ,be> ,male ,female "33333333333 "333333 "333333 ,kodiak """" #fce kg #cae kg ,pol> """""" #gbj kg #cfj kg ,black """"" #bbe kg #ace kg ,p&a """"""" #afj kg #abe kg ggggggggggggggggggggggggggggggggggggggg #f ,pol> ,be> ,unit ,a ,problem #b ,look at ! tactile graphic4 ,problem3 ,! table %[s ! ^1weis 9clud+ ! pol> be>1 ,kodiak br[n be>1 p&a1 & black be>4 ,! weie %[n 9 ^1kilograms "4 ,h[ _m m ^1kilograms does a male pol> be> wei< comp>$ to a male black be>8 ,h9t #a3 ,! key phrases >e 8h[ _m m0 & 8comp>$ to40 ,f9d ! wei be>s & black be>s 9 ! table4 ,h9t #b3 ,subtract ! male black be>'s wei be>'s wei ,be> ,unit ,a ,problem #c ,problem3 ,pol> be>s >e "o ( ! l>ge/ l& ^1c>nivores4 ,male pol> be>s c ^1wei< m ?an #afjj ^1p.ds "4 ,if "o pol> be> wei be> weie ^! two be>s tgr8 ,h9t #a3 ,! key ^w is 8tgr0 : m1ns to add4 ,! #afjj p.ds is n nec to answ] ? problem4 ,h9t #b3 ,add ! wei ,be> ,unit ,a ,problem #d ,problem3 ^1,sci5ti/s h plac$ ^1radio ^1transmitt]s on pol> be>s to ^1track _! move;ts 9 ! ^1,>ctic4 ,a #g-ye>-old female pol> be> 0 track$ f ,augu/ to ,octob]4 ,%e swam 9 ! op5 sea = #fhg ^1kilomet]s "1 & !n walk$ on ! ice = ano!r #ahab ^1kilomet]s4 ,h[ _m ^1kilomet]s did %e travel 9 all8 ,h9t #a3 ,! key phrase is 8in all0 s y ne$ to add4 ,h9t #b3 ,add #fhg kilomet]s & #ahab kilomet]s tgr4 #i #aj #aa ,pol> ,be> ,unit ,a ,problem #f ,problem3 ,! av]age male pol> be> weige/ pol> be> "e record$ wei<$ #bbjj ^1p.ds4 ,:at is ! di6];e 2t ! av]age ^1wei ,be> ,unit ,a4 ,we hope y n[ h a bett] "u/&+ ( ! ^1habitat & 2haviors ( pol> be>s1 "o ( ! l>ge/ ^1c>nivores 9 ! _w4 #ac ,gloss>y ,>ctic ,! ,>ctic is ! "n ( a geographic region surr.d+ ! ,nor? ,pole4 ,x is "kn = xs cold1 sn[y w1!r4 blu2] ,blu2] is a ?ick lay] ( fat f.d "u ! sk9 ( sea mammals4 ,x protects !m f ! cold4 capture ,capture is ! act ( cat*+ or ga9+ 3trol ( "s?+4 c>nivore ,a c>nivore is an animal t prim>ily eats m1t4 ,gre5l& ,gre5l& is a l>ge isl& na;n nor?1/ ( ! 3t95t ( ,nor? ,am]ica4 ,x is locat$ 9 ! ,nor? ,atlantic ,oc1n4 habitat ,a habitat is ! natural place ": an animal lives4 ice pack ,an ice pack is a froz5 mass ( ice t has built up ov] "t1 usually on top ( an oc1n or lake4 kilomet] ,a kilomet] is a metric m1sure;t ( l5g?4 ,"o kilomet] is j ov] #a/b a mile4 ,y c walk a kilomet] 9 ab #ae m9utes4 mile ,a mile is a unit ( 4t.e #ad equal to #ebhj feet4 ,mo/ p wd take ab #ae to #cj m9utes to walk a mile4 monitor ,to monitor "s?+ m1ns to obs]ve x c>e;lly ov] "t :ile record+ 9=ma;n ab h[ x *anges4 p.d ,a p.d is a unit ( m1sure;t t describes weiea ": 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 radio transmitt] ,a radio transmitt] is a device t s5ds 9=ma;n by radio waves4 ,x c help sci5ti/s locate & foll[ an animal 9 ! wild4 rel1s$ ,rel1s$ ref]s to lett+ "s?+ g f captiv;y4 sci5ti/ ,sci5ti/s >e p :o /udy nature4 ,sci5ti/s >e 9t]e/$ 9 animals' 2havior & _! habitats4 sea ice ,sea ice is oc1n wat] t has froz54 ,sea ice is f.d 9 ! nor? #ae & s\? pol> regions ( ! e>?4 s1l ,s1ls >e mammals ) flipp]s & smoo?1 muscul> bodies1 well adapt$ to ! wat] ": !y sp5d mo/ ( _! lives4 track ,to track an animal is to foll[ xs move;ts4 ,sci5ti/s may foll[ an animal's footpr9ts or obs]ve x z x swims or flies4 tranquilize ,to tranquilize an animal is to make x sleepy or calm by giv+ x m$ic9e4 wei ,be> ,unit ;,b ,table ( ,3t5ts ,meet ! ,pol> ,be> """""""""""""""""" #a ,:at ! ,pol> ,be> ,looks ,l """"""""" #b ,! ,pol> ,be>'s ,habitat """""""""""" #c ,pol> ,be> ,unit ;,b ,ma? ,skills """ #d ,problems = ,pol> ,be> ,unit ;,b ,problem #a """"""""""""""""""""""" #e ,problem #b """"""""""""""""""""""" #f ,problem #c """"""""""""""""""""""" #g ,problem #d """"""""""""""""""""""" #h ,problem #e """"""""""""""""""""""" #i ,problem #f """""""""""""""""""""" #aj ,3clu.n """""""""""""""""""""""""""" #aa ,gloss>y """"""""""""""""""""""""""" #ab ,meet ! ,pol> ,be> ,pol> be>s >e a ^1species ( be> f.d f> 9 ! nor?1 close to ! ^1,nor? ^1,pole4 ,! climate is cold1 & ! be>s >e adapt$ to liv+ 9 ice & sn[4 ,pol> be>s h :ite fur t lets !m bl5d 9 ) ! sn[4 ,_! prim>y food s\rce is ^1s1ls4 ,pol> be>s swim \ 9to ! oc1n & use big *unks ( ^1sea ^1ice z hunt+ plat=ms4 ,a "m pol> be> usually has two cubs1 & ! cubs /ay ) h] = ab two ye>s to le>n h[ to survive 9 ! h>% 5viron;t4 > ,be> ,looks ,l ,! graphic ( ! pol> be> %[s x /&+ & fac+ t[>d ! left4 ,! be>'s h1d is ext5d$ & xs small r.d nose is ?ru/ =w>d z x is sni6+ "s?+4 ,xs almond-%ap$ eye is op5$1 & xs e> is small & r.d4 ,! be>'s ?ick legs & body >e cov]$ ) hair4 ,x has a v %ort hairy tail on xs rump4 ,xs 5tire body is :ite4 ,! animal graphic is sep>ate4 e>'s ,habitat ,pol> be>s got _! "n 2c !y live 9 ! ^1,>ctic1 : is a region ( ! _w ne> ! ^1,nor? ^1,pole4 ,! ^1,>ctic is v cold1 ) temp]atures "s"ts fall+ to #ej degrees 2l z]o4 ,pol> be>s >e well-adapt$ to life 9 ! ice & sn[4 ,_! ?ick fur & lay]s ( fat help to keep !m w>m ev5 :5 !y >e swimm+ 9 ! cold oc1n wat]s4 ^1,s1ls >e ! major food s\rce = pol> be>s1 s ! be>s sp5d m* ( _! "t on ^1sea ^1ice hunt+ = ^1s1ls 9 ! ^1,>ctic ^1,oc1n4 ,unit ;,b ,ma? ,skills ,! problems 9 ? unit w give y a *.e to le>n m ab ! pol> be>4 ,z y complete !m1 y'll practice yr skills add+ & subtract+ positive & ^1negative ^1numb]s4 ,tactile graphics >e provid$ to solve problems #b & #e4 ,pol> ,be> ,unit ;,b ,problem #a ,problem3 ,pol> be>s c dive deep 9to ! ^1,>ctic wat]s to hunt _! ^1prey4 ,a pol> be> dives to -#ac ^1feet " & !n spots a ^1s1l abv h]4 ,%e swims up #g ^1feet to cat* ! ^1s1l4 ,:at's h] new ^1dep? 9 ! wat]8 ,h9t #a3 ,to help y ) ! subtrac;n1 y mi be> is / "u ! surface ( ! wat]4 ,pol> ,be> ,unit ;,b ,problem #b ,look at ! tactile graphic4 ,problem3 ,! b> graph %[s ! freez+ po9t ( ?ree types ( wat]1 9clud+ pla9 wat]1 oc1n wat] & ^1br9e4 ,pla9 wat] freezes at #j degrees ^1,celsius "<;,c">4 ,:5 salt is add$ to wat] x is h>d] = ice cry/als to =m1 s x has to get ev5 cold] 2f ! wat] w freeze4 ,:at is ! di6];e 9 degrees 2t ! freez+ po9t ( oc1n wat] & ^1br9e8 ,h9t #a3 ,f9d ! freez+ po9ts ( oc1n wat] & br9e1 & subtract4 ,h9t #b3 ,y >e subtract+ a negative numb] f ano!r negative numb] s yr answ] w 2 positive4 ,pol> ,be> ,unit ;,b ,problem #c ,problem3 ,pol> be>s >e ^1mammals & c keep _! body ^1temp]ature 3/ant at #ih4f degrees ^1,fahr5heit "<;,f">4 ,t's ! same body ^1temp]ature y h6 ,a pol> be> "m goes "? a type ( ^1hib]na;n :ile %e gives bir? to & c>es = h] "y4 ,:5 %e gives bir? h] body ^1temp]ature falls by "-#a4e degrees ;,f4 ,af a few weeks1 h] body ^1temp]ature falls ano!r "-#a4f degrees ;,f4 ,:at is ! total *ange 9 h] body ^1temp]ature8 ,yr answ] w 2 a ^1negative ^1numb]4 ,h9t #a3 ,add ! *anges 9 h] temp]ature4 ,h9t #b3 ,? is an addi;n problem 9volv+ two negative numb]s4 ,yr answ] %d h a negative value4 ,pol> ,be> ,unit ;,b ,problem #d ,problem3 ,a ,u4,s4 ,navy ^1subm>9e collects data on wat] & climate = ^1sci5ti/s4 ,! ^1subm>9e j came to ! surface ( ! ^1,>ctic ^1,oc1n f a ^1dep? ( "-#beb ^1feet "4 ,if x !n returns to a ^1dep? ( "-#chd ^1feet1 h[ m* deep] w x 2 ?an xs orig9al ^1dep?8 ,h9t #a3 ,try draw+ a numb] l9e or diagram %[+ y ! subm>9e at xs two dep?s "u ! oc1n's surface4 ,h9t #b3 ,yr answ] ne$s to 2 a positive numb] 2c y >e 2+ ask$ to f9d ! di6];e 2t two negative numb]s4 ,pol> ,be> ,unit ;,b ,problem #e ,look at ! tactile graphic4 ,problem3 ,! l9e graph %[s h[ ! am.t ( ^1sea ^1ice 9 ! ^1,>ctic ^1,oc1n *anges ) ! s1sons1 f w9t] to spr+ to summ] & fall4 ,"! >e two l9es4 ,"o %[s ! am.t ( ^1sea ^1ice f #dj ye>s ago4 ,! o!r l9e %[s ! am.t ( ice obs]v$ n[4 ,:at is ! di6];e 2t ! am.t ( ice 9 ! summ] 9 ! pa/1 comp>$ to n[8 ,h9t #a3 ,! s1sons >e on ! horizontal axis4 ,f9d ! am.t ( ice 9 ! summ] #dj ye>s ago & td4 ,h9t #b3 ,use ! v]tical axis to f9d ! values1 & subtract td's value f ! am.t #dj ye>s ago4 ,pol> ,be> ,unit ;,b ,problem #f ,problem3 ,pol> be>s usually swim #c ^1feet "u ! oc1n surface4 ^1,m>9e ^1biologi/s record$ "o pol> be> t div$ d[n ano!r #ag feet4 ,:at 0 xs f9al ^1dep?8 ,h9t #a3 ,! be> />ts #c feet "u ! surface1 & !n drops ano!r #ag feet4 ,h9t #b3 ,add "-#c & "-#ag to f9d ! f9al dep?4 ,3clu.n ,y've complet$ ,pol> ,be> ,unit ;,b4 ,we hope y n[ h a bett] "u/&+ ( ! ^1habitat & 2haviors ( pol> be>s1 "o ( ! l>ge/ ^1c>nivores 9 ! _w4 ,gloss>y ,>ctic ,! ,>ctic is ! "n ( a geographic region surr.d+ ! ,nor? ,pole4 ,x is "kn = xs cold1 sn[y w1!r4 ,>ctic ,oc1n ,! ,>ctic ,oc1n is "o ( ! _w's major oc1ns4 ,x surr.ds ! ,nor? ,pole & 9cludes ! oc1n wat]s nor? ( ,canada1 ,alaska1 ,russia1 & ,asia4 br9e ,br9e is wat] t is v salty4 c>nivore ,a c>nivore is an animal t prim>ily eats m1t4 ,celsius ,celsius is a metric unit ( m1sure;t = temp]ature4 ,wat] freezes at #j degrees ,celsius4 ,celsius is a2reviat$ ;,c4 dep? ,dep? ref]s to 4t.e f ! top or surface4 ,if "s?+ is at an oc1n dep? ( #aj feet1 x is #aj feet 2l ! surface4 ,fahr5heit ,fahr5heit is a unit ( m1sure;t = temp]ature4 ,wat] freezes at #cb degrees ;,f4 feet ,feet " >e a m1sure;t ( l5g?4 ,"o foot is #ab 9*es4 ,mo/ #ab-ye>-old *n >e ab #e feet tall4 habitat ,a habitat is ! natural place ": an animal lives4 hib]na;n ,hib]na;n is a /ate ( sleep+ or 2com+ 9active dur+ ! w9t]4 ,:5 an animal hib]nates1 xs he>t rate1 br1?+1 & body temp]ature decr1se4 mammal ,mammals >e w>m-blood$ animals t >e cov]$ ) hair & fe$ _! "y ) milk produc$ 9 _! bodies4 ,examples >e be>s1 dogs1 & elephants4 m>9e biologi/ ,m>9e biologi/s >e sci5ti/s :o /udy animals & plants t live 9 ! oc1n4 negative numb] ,negative numb]s ref] to numb]s t >e less ?an z]o4 ,nor? ,pole ,! ,nor? ,pole is ! mo/ nor!rn po9t on ! surface ( ! e>?4 prey ,prey >e 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 sea ice ,sea ice is oc1n wat] t has froz54 ,sea ice is f.d 9 ! nor? & s\? pol> regions ( ! e>?4 s1l ,s1ls >e mammals ) flipp]s & smoo?1 muscul> bodies1 well adapt$ to ! wat] ": !y sp5d mo/ ( _! lives4 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 subm>9e ,a subm>9e is a vessel t c c>ry p "u wat]4 ,subm>9es c travel l;g 4t.es 2f hav+ to come up to ! surface ( ! wat]4 temp]ature ,temp]ature ref]s to h[ hot or cold a p]son1 an animal1 or an 5viron;t is4 ,temp]ature is m1sur$ 9 degrees4