Choose a method to estimate. Then find
the sum or the difference.
- 53,007 14. 70,064 15. 80,102 16. $ 600.08
21,979 19,155 9,516 59.99 - 98,694 18. 675 19. 75,628 20. $ 4.97
287 44,526 8,073 826.13
5,148 67 48 65.39 - 81,000 22. 94,000 23. 70,000 24. $ 600.00
19,625 67,887 36,678 47.89
Align and add or subtract.
- 21,863 2,684 1,326 26. 82,010 395 13,692
- 65,600 1,592 28. $ 200.00 $ 126.74
- 90,506 3,729 30. $ 645.16 $ 8.88 $ .56
- When it was built, a college
stadium had 56,976 seats.
Later, 3813 more seats
were added. How many
people can that stadium
seat today?
32. A university stadium has
75,339 seats. A rival
university stadium has
69,082 seats. How many
more people can be seated
in the first stadium than in
the rival stadium?
Find the missing digits.
- 923 34. 629 35. 231 36. 856
14 8 48
776 441 85 6
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