1) 816 - 708; tens a) 820 - 700 = 120 b) 820 - 710 = 110 c) 810 - 710 = 100 2) 466 - 152; hundreds a) 500 - 200 = 300 b) 460 - 150 = 310 c) 500 - 100 = 400 3) 537 - 288; hundreds a) 500 - 200 = 300 b) 600 - 300 = 300 c) 500 - 300 = 200 4) 531 - 428; tens a) 530 - 430 = 100 b) 540 - 430 = 110 c) 530 - 420 = 110 5) Which shows the estimated difference for 859 - 591 to the nearest hundred? a) 400 b) 300 c) 268 6) 885 - 483; tens a) 890 - 490 = 400 b) 880 - 480 = 400 c) 890 - 480 = 410 7) 677 - 232; hundreds a) 600 - 200 = 400 b) 700 - 300 = 400 c) 700 - 200 = 500 8) Estimate the the differences 319 - 212 = a) 100 b) 200 c) 531

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