1.Write:

    a) three thousand four hundred and seventeen;  
    b) five hundred and sixty three;  
    c) eight thousand and fifty one;  
    d) four thousand and two hundred;  
    e) nine hundred and nine;  
     f) six thousand and fourty four;   
    g) ten thousand

 a)
b)
c)
d)
e)
f)
g)
 

2. Calculate.

5670 + 3473       9000 - 3607

3429 + 2477       4037 - 1958

4080 + 4981       6512 - 2798
 

 

3. Calculate.
5670 + 3473 ....

3429 + 2477.... 

4080 + 49810.... 

9000 - 3607=....

4037 - 1958=....

6512 - 2798=....


4.  It is 8.20. It is 30 min. to the end of the lesson.

            What time it ends?    

         Answer: .....................................

         When the next lesson starts when the brake lasts for 25 minutes? 

         Answer: .....................................