or
Since he was hired, a chef has served 78 adults and 78 children. What is the total number of guests served? Choose the better estimate.
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Teacher tools
Work it out
Not feeling ready yet? These can help:
Skill IconRound to the nearest ten
Skill IconT.3Add a multiple of 10 or 100 to a three-digit number
Skill IconD.1Estimate sums by rounding: up to 1,000