1) Correct inverse calculation to 2,482 + 6,428 = 8,912 a) 8,912 – 6,428 = 2,482 b) 7,438 + 2,482 = 8912 c) 8,912 + 6,428 = 15,340 2) Round 5690 to the nearest 100 a) 6000 b) 5600 c) 5700 d) 5790 3) Estimate 5860+4320 = (nearest 1000) a) 6000+4000=10,000 b) 5900+4400+10,300 c) 5000+4000=9000 d) 6000+5000=11,000 4) Correct inverse calculation to 3,598 - 1,893 = 1,705 a) 3,598 -1,705= 1,893 b) 3,598 + 1,705 = 5,303 c) 1,893+1,705=3,598

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