1) Round this number to the nearest 100,000 : 527,356 a) 650,987 b) 530,000 c) 600,000 d) 500,000 2) Round this number to the nearest 50 : 247 a) 200 b) 250 c) 300 d) 240 3) Round this number t =o the nearest .5 : 3.486 a) 3.5 b) 3.4 c) 4.5 d) 3.8 4) Estimate this sum using the front-end strategy: 246,879 + 721, 987 a) 900,000 b) 960,000 c) 750,000 d) 509,872 5) Estimate this sum by rounding to the nearest 1,000 : 6,723 + 2,987 = a) 11,000 b) 7,000 c) 8,000 d) 10,000

Maths rounding and estimation

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