1. twelve pigs + thirteen pigs =                                  
2. three dogs + ten dogs =                                   
3. There are six pigs, nine cows, five sheep, two cats and nine goats on the farm.       
    How many animals on the farm?                            .     
4. In my classroom, there are thirty boys and twenty-five girls.          
    How many students in my classroom?                            . 

1. I am a _____ (boy, girl ).
2. I have a _____ (sister, brother).
3. I am _____ (eleven, twelve).
4. — Who's that _____ (man ,woman).
    — He is my father.
5. — How many _____ (cats, kites) can you see?
    — I can see eighteen.

1. ____________ can you see? I can see ____________.
    _______________
    A. How many birds  B. How many kites
    C. five  D. seven
2. ____________ can you see? I can see ____________.
    _______________
    A. How many cats  B. How many dogs 
    C. twelve  D. four 
3. ____________ can you see? I can see ____________.
    _______________
    A. How many cars  B. How many pen
    C. ten  D. two