Grade 4 - Progress in Mathematics

Choose a method to estimate.

Then find the difference.

10. 
    
    
    
    11. 360 12. 922 13. 712 14. 653
        
        185
        734
        499
        578
    
    
    
    


11. 835 16. 561 17. 454 18. 946 19. 137
    
    79
    94
    65
    58
    48


12. $ 3.25 21. $ 5.37 22. $ 8.64 23. $ 9.52
    
    1.58
    2.49
    4.87
    .99

Align and subtract.

24. 456
    179 25. 837
    488 26. 671
    95


25. $ 9.36
    $ 7.59 28. $ 2.91
    $ 1.97 29. $ 5.42
    $ .67

Use the table on page 108.

30. How many more home runs did Hank
    Aaron hit than Frank Robinson?


31. How many fewer home runs did Mark
    McGwire hit than Willie Mays?


32. Did Babe Ruth and Reggie Jackson
    combined hit more or fewer home runs
    than Hank Aaron and Mickey Mantle
    combined? How many more or fewer?


33. Which is the greater difference: between the
    number of home runs hit by Willie Mays and
    Mike Schmidt or between the number of
    home runs hit by Hank Aaron and Willie Mays?


34. What is the combined home run total for
    Babe Ruth, Mickey Mantle, and Reggie
    Jackson?

11

3116

426


 89

337

8204-6_108-109 11/17/05 8:29 AM Page 109