课件15张PPT。 Unit9 NumbersHow many pens are there?11Eleven pens11How many ____ _____ _____?cows arethereelevenHow many ____ _____ _____?Turtles(海龟 ) arethere12How many ____ _____ _____?cars arethere13thir-teenHow many boys are there?14How many pears are there?How many ____ _____ _____?horses arethere15fif-teenHow many rabbits are there?16six-teenHow many ducks are there?17How many ____ _____ _____?pencils arethere18eigh-teenHow many bikes are there?19nine-teenHow many ____ _____ _____?ants aretherethir-teen eigh-teen seven-teen six-teen fif-teen four-teennine-teentwentytwenlveelevenrevisionthank you everyone !