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MF.NS.2 Standard MF-002-A05-V04

Estimate sums, products, quotients, and percent results, then judge whether an exact answer is reasonable.

Estimate a contextual total with a specified rounding rule

Problem

Four relay legs are \(95~\text{meters}\), \(102~\text{meters}\), \(98~\text{meters}\), and \(104~\text{meters}\). Use \(100~\text{meters}\) as the benchmark for each leg, add the four benchmark distances, and decide whether “about \(400~\text{meters}\)” is reasonable for the total.

Table showing four relay leg distances: 95 meters, 102 meters, 98 meters, and 104 meters, with a note to compare the total to about 400 meters. Open full size
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Four variants of this problem type
Curriculum context
Standard
MF.NS.2
Category
Number Sense
Domain
Estimation and Reasonableness
Objective
Estimate sums, products, quotients, and percent results, then judge whether an exact answer is reasonable.
Problem type
Estimate a contextual total with a specified rounding rule