Estimating a Total from a Table of Decimals Worksheet Download
The wrong answers are the ways the estimate goes wrong: every amount rounded DOWN and added, every amount rounded UP and added, and the right method a whole out. A student who rounds consistently the wrong way lands on a real choice. The amounts are also generated so that rounding each to the nearest whole and adding gives the same answer as adding and then rounding - otherwise the sheet quietly teaches a method that sometimes misses, and two defensible answers end up among the choices.
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Estimating a Total from a Table of Decimals
A table of amounts written to hundredths is shown and students choose the value closest to the total.
