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Hong Kong
Stage 2

Estimation and Rounding

Interactive practice questions

By leading figure estimation, approximate the value of $2692+3669$2692+3669

Easy
< 1min

By leading figure estimation, approximate the value of $3620-1082$36201082

Easy
< 1min

By leading figure estimation, approximate the value of $6534+7418+1240$6534+7418+1240

Easy
< 1min

By leading figure estimation, approximate the value of $446\times54$446×54

Easy
< 1min
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