课件21张PPT。Unit 3 Numbersnumbersonetwothreefourfivesixseveneightninethirteenfourteenfifteensixteen seventeen eighteen nineteenteneleventeen
十几twelvenumbersthirtyfortyfiftysixty seventytwenty00000000 eightyninetyty
几十numbers两位数的读法twenty-onetwenty-twothirty-onethirty-twofourty-onefourty-two十几十几,-teen,-teen,-teen几十几十,-ty,-ty,-tynumbersonetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteen seventeentwenty eighteen nineteen0twenty-onetwenty-twotwenty-threetwenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-ninethirty0thirty-oneWhat is eight plus two?
It’s ten.
What is eight plus three?
It’s eleven.
+=?+=?What is fifty plus one?
It’s_____.
What is seventeen plus three?
It’s_______.
51twentyWhat is thirty minus five?
It’s .
What is nineteen minus three?
It’s .0-=?2516What is forty minus four?
It’s .
What is eighty minus fifteen?
It’s .3665coinscolabananaappleice cream70p90p80p95pHow much is the cola?It’s 70p.How much is the banana?It’s 90p.How much is the apple?It’s 80p.How much is the ice cream?It’s 95p.How much is the book?It’s 100p.Good bye!