Rounding and estimating

Fill in all the gaps, then press "Check" to check your answers.

Part 1 - Rounding - Part 3

Round each number to the nearest 100, then add or subtract to find an approximate answer.
a) 887 - 324
b) 931 - 296
c) 552 + 387
d) 899 + 502
e) 398 - 285
f) 721 - 240
g) 486 + 209
h) 807 - 521
i) 827 - 394 + 674
j) 137 + 851 + 827
k) 714 - 387 - 132
l) 471 + 203 - 586

Round each number to the nearest 100, then add or subtract to find an approximate answer
a) 6812 + 2466
b) 4358 + 2988
c) 8838 - 4091
d) 6570 - 1853
e) 8947 + 7682
f) 7862 + 813
g) 7419 - 4827
h) 26709 - 14564
i) 4293 - 1642 + 3734