1) Estimate 825 + 648 = a) 1,400 b) 1,000 c) 1,200 2) Estimate 2,385 + 5,642 = a) 2,000 b) 7,000 c) 6,000 3) Estimate 3,097 + 9,253 = a) 13,000 b) 12,000 c) 14,000 4) Estimate 681 + 538 = a) 1,300 b) 1,200 c) 1,100 5) Estimate 5,325 + 3,789 =  a) 7,000 b) 8,000 c) 9,000 6) Estimate 7,784 + 4,138 =  a) 10,000 b) 11,000 c) 12,000 7) Estimate 735 + 783 =  a) 1,300 b) 1,400 c) 1,200 8) Estimate 1,487 + 6,844 =  a) 7,000 b) 6,000 c) 9,000 9) Estimate 3,027 + 4,193 =  a) 7,000 b) 8,000 c) 6,000 10) Estimate 4,990,125 + 9,570,312 =  a) 12,000,000 b) 13,000,000 c) 14,000,000

Front-End Estimation

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