课件23张PPT。 冀教版 四年级下册 Lesson 4
How Many Books Are There?1629Pair Work1629+=45405fortyfive-fourteenfourteenfifteensixteenseventeeneighteennineteenfortyfiftysixtyseventyeightyninetyseventyfortythirtysixtytwentyfiftytwelvefifteenfourteenelevensixteenthirteensixty-onesixty-fivesixty-twosixty-foursixty-three78 26 50 32 sixty-eight pensthirty-two chairsfifty rulerstwenty-six schoolbagsHomework Try to make up a dialogue about the numbers of things in your classroom, in your house, etc.