{"id":250412,"date":"2025-07-10T09:25:07","date_gmt":"2025-07-10T09:25:07","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=250412"},"modified":"2025-07-10T09:25:09","modified_gmt":"2025-07-10T09:25:09","slug":"estimate-the-product-by-rounding-nearest-ten","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/10\/estimate-the-product-by-rounding-nearest-ten\/","title":{"rendered":"Estimate the product by rounding nearest ten"},"content":{"rendered":"\n<p>Estimate the product by rounding nearest ten. <\/p>\n\n\n\n<p>i. 76 x 18 <\/p>\n\n\n\n<p>ii. 84 x 57<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>Let&#8217;s round both numbers to the nearest ten before multiplying:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">i. 76 \u00d7 18<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>76 rounded to the nearest ten is <strong>80<\/strong>.<\/li>\n\n\n\n<li>18 rounded to the nearest ten is <strong>20<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Now, multiply the rounded numbers: 80\u00d720=160080 \\times 20 = 1600<\/p>\n\n\n\n<p>So, the estimated product of 76 and 18 is <strong>1600<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ii. 84 \u00d7 57<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>84 rounded to the nearest ten is <strong>80<\/strong>.<\/li>\n\n\n\n<li>57 rounded to the nearest ten is <strong>60<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Now, multiply the rounded numbers: 80\u00d760=480080 \\times 60 = 4800<\/p>\n\n\n\n<p>So, the estimated product of 84 and 57 is <strong>4800<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>Rounding numbers to the nearest ten makes the multiplication simpler, allowing for a quick estimate. By adjusting both numbers to the closest multiples of ten, the calculations become easier and faster, though less precise. This estimation method is particularly useful when you need a rough answer, such as when you&#8217;re checking the reasonableness of an answer or when doing mental math in situations where exact precision isn&#8217;t required.<\/p>\n\n\n\n<p>After rounding, you perform the multiplication with the simpler numbers. While the results might be a little off compared to the exact product, they give you a good approximation that is easy to compute without a calculator. This method is helpful in real-life scenarios like budgeting or estimating costs, where getting a close answer quickly is more important than having perfect precision.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Estimate the product by rounding nearest ten. i. 76 x 18 ii. 84 x 57 The correct answer and explanation is: Let&#8217;s round both numbers to the nearest ten before multiplying: i. 76 \u00d7 18 Now, multiply the rounded numbers: 80\u00d720=160080 \\times 20 = 1600 So, the estimated product of 76 and 18 is 1600. 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