Grade 4 - Progress in Mathematics

Remember: You can use

rounding or front-end estimation.

Choose a method to estimate.

Then add.

1. 48 2. 37 3. 58 4. 85 5. 73
   
   46
   16
   22
   8
   9


2. 329 7. 480 8. 675 9. 781 10. 909
   
   543
   253
   162
   47
   64


3. 168 12. 643 13. 345 14. 877 15. 768
   
   743
   259
   469
   95
   99


4. $ .78 17. $ .46 18. $ 1.75 19. $ 5.28 20. $ 4.65
   
   .06
   .28
   3.61
   2.49
   4.99


5. 75
   18 22. 389
   276 23. 581
   229


6. $ .19
   $ .66 25. $ 6.19
   $ 2.32 26. $ 3.97
   $ 4.33


7. There were 156 Democrats and 137
   Republicans in the U.S. House of
   Representatives in 1878. How many
   members of the House were there?


8. In 1925 the U.S. Congress was made
   up of 435 Representatives and 96
   Senators. How many members of
   Congress were there in 1925?


9. Find two 3-digit addends with 30. What are the greatest and the
   the same digits in each least possible addends of
   number whose sum is 404. two 3-digit numbers whose
   sum is 555? 999?

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