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Unit1PRACTICEMYNUMBERSplusminuszeroHowmuchisoneplusone?1+1=?Oneplusoneistwo.?十Howmuchisoneminusone?1—1=?Oneminusoneiszero.?—+plusHowmuchisfive
plustwo?Fiveplustwoisseven.2+3=?Howmuchistwoplusthree?Twoplusthreeisfive.?+Howmuchisnineminusfour?Nineminusfourisfive.9-4=?Howmuchiseight
minustwo?Eightminustwoissix.8-2=6+=?12+=?3+=?Dotheexercises:11-6=9-4=7-2=2+6=10-1=4+3=6-4=3+5=897452Icansaythem:
•Words:•plus加•minus减•zero零•Sentence:•Howmuchisoneplusone?一加一是多少?•Oneplusoneistwo.一加一是二。•Howmuchisoneminusone?一减一是
多少?•Oneminusoneiszero.一减一是零。Homework•Makeup5counts,askandanwserwithyourfriends.每个人编五道加减题,与朋友们做问答练习。