\u0905\u0902\u0915\u0941\u0930 \u0938\u0902\u0916\u094d\u092f\u093e\u0913\u0902 \u0915\u093e \u092e\u093f\u0936\u094d\u0930\u093f\u0924 \u0916\u0947\u0932 \u0939\u0940 \u0917\u0923\u093f\u0924 \u0939\u0948 \u0914\u0930 \u0935\u093f\u091c\u094d\u091e\u093e\u0928 \u0939\u0948 \u0926\u094b\u0928\u094b\u0902 \u0915\u093e \u0916\u0947\u0932 \u0928\u093f\u092f\u092e\u093f\u0924 \u090f\u0935\u0902 \u0915\u0920\u093f\u0928 \u0905\u0928\u0941\u0936\u093e\u0938\u0928 \u0915\u093e \u0916\u0947\u0932 \u0939\u0948 \u091b\u093e\u0924\u094d\u0930 \u0917\u0928 \u092d\u0940 \u0905\u0928\u0941\u0936\u093e\u0938\u0928 \u0915\u093e \u092a\u093e\u0932\u0928 \u0915\u0930\u0947\u0902\u0917\u0947 \u0924\u094b \u0917\u0923\u093f\u0924 \u0915\u0947 \u091c\u091f\u093f\u0932 \u0938\u092e\u0938\u094d\u092f\u093e\u090f\u0902 \u0926\u0942\u0930 \u0939\u094b\u0917\u0940 \u092b\u093f\u0930 \u092d\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u092f\u093e \u0915\u093f\u0938\u0940 \u0938\u093e\u0925\u0940 \u0915\u0940 \u0906\u092f\u0941 \u092c\u0924\u093e\u0913 \u0915\u093f \u0905\u0917\u0930 \u0928\u093f\u092f\u092e \u091c\u093e\u0928\u0928\u0947 \u0939\u0948\u0902 \u0924\u094b \u0939\u092e \u0907\u0938\u0947 \u0916\u0941\u0926 \u0938\u0947 \u0938\u0949\u0932\u094d\u0935 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902 \u0935\u0930\u094d\u0924\u092e\u093e\u0928 \u0906\u092f\u0941 \u092a\u094d\u0932\u0938 \u0905\u0917\u0932\u0947 \u0935\u0930\u094d\u0937 \u0915\u0940 \u0906\u092f\u0941 * 5 * \u092b\u0932 \u092a\u094d\u0932\u0938 \u091c\u0928\u094d\u092e \u0935\u0930\u094d\u0937 \u0915\u0940 \u0915\u0908 -5 \u0905\u092c \u0926\u0939\u093e\u0908 \u0914\u0930 \u0938\u0947\u0915\u0930\u0940 \u0905\u0902\u0915\u094b\u0902 \u0938\u0947 \u092c\u0928\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0939\u0940 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0906\u092f\u0941 \u092c\u0924\u093e\u090f\u0917\u0940 \u091c\u0948\u0938\u0947 \u092e\u093e\u0928 \u0932\u0940\u091c\u093f\u090f \u0915\u093f \u0915\u094b \u0915\u0940 \u0906\u092f\u0941 16 \u0914\u0930 \u091c\u0928\u094d\u092e \u0935\u0930\u094d\u0937 1974 \u0939\u0948 \u0935\u0930\u094d\u0924\u092e\u093e\u0928 \u0906\u092f\u0941 16 \u0914\u0930 \u0905\u0917\u0932\u0947 \u0935\u0930\u094d\u0937 \u0915\u0940 \u0906\u092f\u0941 17 \u0935\u0930\u094d\u0937 16 \u092a\u094d\u0932\u0938 17 \u0907\u0915\u094d\u0935\u0932 \u091f\u0942 33 \u0917\u0941\u0928\u093e 5 \u092a\u094d\u0932\u0938 165 \u092a\u094d\u0932\u0938 \u091c\u0902\u0915\u094d\u0936\u0928 \u0915\u0940 \u0915\u093e\u0930<\/div>\n
\n
\u200bEnhancing your mental calculation skills can significantly boost your mathematical efficiency and confidence.<\/span> Here are some effective strategies and tricks to perform calculations swiftly in your mind:\u200b<\/p>\n1. Addition of Large Numbers:<\/strong> Break down numbers to simplify addition.<\/span> For example, to add 644 and 238:\u200b<\/p>\n\n- \n
Round 644 up to 650 and 238 up to 240.<\/span>\u200b<\/p>\n<\/li>\n- \n
Add 650 and 240 to get 890.<\/span>\u200b<\/p>\n<\/li>\n- \n
Calculate the adjustments: (650 – 644) + (240 – 238) = 6 + 2 = 8.<\/span>\u200b<\/p>\n<\/li>\n- \n
Subtract the adjustment from the sum: 890 – 8 = 882.<\/span>\u200bResilient Educator<\/span><\/span><\/span><\/span> Thus, 644 + 238 = 882.<\/span> \u200b<\/p>\n<\/li>\n<\/ul>\n2. Subtraction from 1,000:<\/strong> To subtract a number from 1,000:<\/span>\u200b<\/p>\n\n- \n
Subtract each digit from 9, except the last digit, which you subtract from 10.<\/span>\u200b<\/p>\n<\/li>\n- \n
For example, 1,000 – 556:<\/span>\u200b<\/p>\n\n- \n
9 – 5 = 4<\/span>\u200b<\/p>\n<\/li>\n- \n
9 – 5 = 4<\/span>\u200b<\/p>\n<\/li>\n- \n
10 – 6 = 4<\/span>\u200b So, 1,000 – 556 = 444.<\/span> \u200b<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n3. Multiplying by 5:<\/strong><\/p>\n\n- \n
For even numbers:<\/span>\u200b<\/p>\n\n- \n
Divide the number by 2 and append a 0.<\/span>\u200b<\/p>\n<\/li>\n- \n
Example: 5 \u00d7 4 = (4 \u00f7 2) & 0 = 20.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<\/li>\n- \n
For odd numbers:<\/span>\u200b<\/p>\n\n- \n
Subtract 1, divide by 2, and append 5.<\/span>\u200b<\/p>\n<\/li>\n- \n
Example: 5 \u00d7 3 = ((3 – 1) \u00f7 2) & 5 = 15.<\/span> \u200b<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n4. Multiplying by 9:<\/strong> To multiply a number by 9:<\/span>\u200b<\/p>\n\n- \n
Subtract 1 from the number.<\/span>\u200b<\/p>\n<\/li>\n- \n
Subtract this result from 9 to get the second digit.<\/span>\u200b<\/p>\n<\/li>\n- \n
Example: 9 \u00d7 3:<\/span>\u200b<\/p>\n\n- \n
3 – 1 = 2 (first digit)<\/span>\u200b<\/p>\n<\/li>\n- \n
9 – 2 = 7 (second digit)<\/span>\u200b So, 9 \u00d7 3 = 27.<\/span> \u200b<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n5. Squaring Numbers Ending in 5:<\/strong> To square a two-digit number ending in 5:<\/span>\u200b<\/p>\n\n- \n
Multiply the first digit by itself plus one.<\/span>\u200b<\/p>\n<\/li>\n- \n
Append 25 to the result.<\/span>\u200b<\/p>\n<\/li>\n- \n
Example: 35\u00b2:<\/span>\u200b<\/p>\n\n- \n
3 \u00d7 (3 + 1) = 12<\/span>\u200b<\/p>\n<\/li>\n- \n
Result = 1225.<\/span> \u200b<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n6. Percentage Calculations:<\/strong> To find 10% of a number, move the decimal point one place to the left.<\/span> For 15%, find 10%, then add half of that value.<\/span> Example: 15% of $40:<\/span>\u200b<\/p>\n\n- \n
10% of $40 = $4.<\/span>\u200b<\/p>\n<\/li>\n- \n
5% of $40 = $2.<\/span>\u200b<\/p>\n<\/li>\n- \n
Total = $4 + $2 = $6.<\/span> \u200b<\/p>\n<\/li>\n<\/ul>\n7. Multiplying by 11:<\/strong> To multiply a two-digit number by 11:<\/span>\u200b<\/p>\n\n- \n
Add the two digits together.<\/span>\u200b<\/p>\n<\/li>\n- \n
Place the result between the original digits.<\/span>\u200b<\/p>\n<\/li>\n- \n
Example: 53 \u00d7 11:<\/span>\u200b<\/p>\n\n- \n
5 + 3 = 8.<\/span>\u200b<\/p>\n<\/li>\n- \n
Result = 583.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n8. Left-to-Right Calculation:<\/strong> Perform calculations from left to right to enhance speed and accuracy.<\/span> This approach aligns with how we read numbers and can simplify complex calculations.<\/span> \u200b<\/p>\n9. Utilizing Complements:<\/strong> For subtraction, use complements to simplify the process.<\/span> Convert the problem into an addition by finding the complement of the subtrahend.<\/span> Example: 1234 – 678:<\/span>\u200b<\/p>\n\n- \n
Subtract 700 from 1234: 1234 – 700 = 534.<\/span>\u200b<\/p>\n<\/li>\n- \n
Add the complement (22) of the excess 700 over 678: 534 + 22 = 556.<\/span> \u200b<\/p>\n<\/li>\n<\/ul>\n10. Practice Regularly:<\/strong> Consistent practice is essential to master these techniques.<\/span> Engage with mental math exercises daily to improve speed and accuracy.<\/span> Tools like Math Trainer offer structured practice sessions.<\/span>\u200b<\/p>\n<\/div>\n
\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
A unique gift is being made by the former teacher to the student world, through which students will be able to solve the questions of mathematics in less time, in this book you will be able to solve the maths questions fast on the calculator. and tricks and techniques are explained. \u092d\u0942\u0924\u092a\u0942\u0930\u094d\u0935 \u0936\u093f\u0915\u094d\u0937\u0915 \u0915\u0940 \u0913\u0930 […]<\/p>\n","protected":false},"author":12,"featured_media":899,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,32],"tags":[],"class_list":["post-891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mathematics-tricks-pdf","category-upsc-book-pdf"],"_links":{"self":[{"href":"https:\/\/www.reilsolar.com\/ebook\/wp-json\/wp\/v2\/posts\/891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.reilsolar.com\/ebook\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.reilsolar.com\/ebook\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.reilsolar.com\/ebook\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.reilsolar.com\/ebook\/wp-json\/wp\/v2\/comments?post=891"}],"version-history":[{"count":0,"href":"https:\/\/www.reilsolar.com\/ebook\/wp-json\/wp\/v2\/posts\/891\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.reilsolar.com\/ebook\/wp-json\/wp\/v2\/media\/899"}],"wp:attachment":[{"href":"https:\/\/www.reilsolar.com\/ebook\/wp-json\/wp\/v2\/media?parent=891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.reilsolar.com\/ebook\/wp-json\/wp\/v2\/categories?post=891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.reilsolar.com\/ebook\/wp-json\/wp\/v2\/tags?post=891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"MENTAL](\"https:\/\/www.reilsolar.com\/ebook\/wp-content\/uploads\/sites\/7\/2021\/07\/MENTAL-CALCULATOR-EXCELLENT-MATHEMATICAL-TRICKS.jpg\")