WHAT I KNOW

ESTIMATE THE DIFFERENCE

100

Estimate the difference by rounding the given  numbers to the largest place value. 

82, 309 --> _____________

-

45, 227 -->_____________

                -----------------------

80,000

-

50,000

----------

=30,000

200

Estimate the difference by rounding the given  numbers to the largest place value. 

36,908 --> _____________

-

20,265 -->_____________

40,000

-

20,000

----------

=20,000

300

Estimate the difference by rounding the given  numbers to the largest place value. 

67,311 --> _____________

-

25,809 -->_____________

70,000

-

30,000

----------

=40,000