Estimate the answer by rounding off to the nearest 10 \( 318+281 \)
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To estimate the sum of \( 318 + 281 \) by rounding off to the nearest ten, we first round each number. \( 318 \) rounds to \( 320 \) and \( 281 \) rounds to \( 280 \). Now, we can add these rounded values: \( 320 + 280 = 600 \). Thus, the estimated answer is \( 600 \). Wondering why rounding makes estimating easier? It simplifies the math, making mental calculations quicker and more manageable—especially handy during tests or everyday budgeting! Plus, rounding numbers can also help highlight approximate totals when planning for projects or expenses.