Grade 7 - Number
Standard 7.N.5 - Solve fraction subtraction word problems.
Included Skills: Fractions
Demonstrate an understanding of adding and subtracting positive fractions and mixed numbers, with like and unlike denominators, concretely, pictorially and symbolically (limited to positive sums and differences). Students who have achieved this outcome should be able to: A. Model addition and subtraction of a given positive fraction or a given mixed number using concrete representations, and record symbolically. B. Determine the sum of two given positive fractions or mixed numbers with like denominators. C. Determine the difference of two given positive fractions or mixed numbers with like denominators. D. Determine a common denominator for a given set of positive fractions or mixed numbers. E. Determine the sum of two given positive fractions or mixed numbers with unlike denominators. F. Determine the difference of two given positive fractions or mixed numbers with unlike fractions. G. Simplify a given positive fraction or mixed number by identifying the common factor between the numerator and denominator. H. Simplify the solution to a given problem involving the sum or difference of two positive fractions or mixed numbers. I. Solve a given problem involving the addition or subtraction of positive fractions or mixed numbers and determine if the solution is reasonable.