Mental Math Quiz Grade 4 1.) Write the following number in expand form:🖊 (a)598 (b)452 (c)1047 (d)2570 2.) Which number is formed if 4 and 7 are replace by zeros in the number 21,479? Express the number (newly formed) in words.📝 3.) Write the number in the standard form:🖋 5,00,000+70,000+9,000+600+20+3 4.) Rearrange the following number in ascending order:-🖊 11,500 82,013 17,410 8,300 5.) Round off each number to the nearest ten.🖋 (a) 33 (b) 6799 (c) 29086 (d)3975 6.) Write the following in figure by putting commas at proper places.✏ (a) Seven Lakh Eight thousand nineteen. (b) Two lakh seventy nine thousand six hundred seventeen. 7.) Use 4,8,3 and 7 to build the greatest and smallest 4-digit number.✒ 8.) Write the successor of 3,40,625➡️ 9.) Write the predecessor of 23,007⬅️ 10.) Round off each number to the nearest thousand🖊 (a) 15768 (b) 54612 (c) 10900 (d)25469 11.) Write the
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