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Grade 4 - Number and Operations - Fractions
Standard 4.NF.C.5 - Compare two equivalent fractions with denominators of 10, 100, 1000 to find the missing number.
Express a fraction with denominator 10 as an equivalent fraction with denominator 100, and use this technique to add two fractions with respective denominators 10 and 100.2 For example, express 3/10 as 30/100, and add 3/10 + 4/100 = 34/100.