Grade 4 - Progress in Mathematics

(Marvins-Underground-K-12) #1
Divide mentally.


  1. 40  20 11. 20  10 12. 60  20 13. 70  10

  2. 360  90 15. 420  60 16. 560  80 17. 250  50

  3. 200  40 19. 300  50 20. 400  80 21. 100  50

  4. 8000  20 23. 4000  80 24. 3000  60 25. 2000  50

  5. 90  4  5  0  0  27. 80  6  4  0  0  28. 30  1  2  0  0  29. 20  1  8  0  0 

  6. 30  2  1 ,0 0  0  31. 40  2  0 ,0 0  0  32. 70  3  5 ,0 0  0  33. 90  8  1 ,0 0  0 

  7. 50  4  0 ,0 0  0  35. 60  5  4 ,0 0  0  36. 30  2  4 ,0 0  0  37. 40  3  6 ,0 0  0 

  8. How many zeros are in 39. How many zeros are in
    the quotient when you the quotient when you
    divide 500 by 10? divide 4800 by 60?

  9. How many zeros are in 41. How many zeros are in
    the quotient when you the quotient when you
    divide 540 by 90? divide 40,000 by 8?


Choose the best answer.


  1. The quotient is 400. 43. The divisor is 90.
    The dividend is 20,000. The quotient is 800.
    What is the divisor? What is the dividend?
    A 5 B 50 F 72 G 7200
    C 500 D 5000 H 720 J 72,000


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