Math Games

Grade 7 - Number

Standard 7.N.5 - Practice adding fractions with unlike denominators.

Included Skills:

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).
• Model addition and subtraction of a given positive fraction or given mixed number, using concrete representations, and record symbolically.
• Determine the sum of two given positive fractions or mixed numbers with like denominators.
• Determine the difference of two given positive fractions or mixed numbers with like denominators.
• Determine a common denominator for a given set of positive fractions or mixed numbers.
• Determine the sum of two given positive fractions or mixed numbers with unlike denominators.
• Determine the difference of two given positive fractions or mixed numbers with unlike denominators.
• Simplify a given positive fraction or mixed number by identifying the common factor between the numerator and denominator.
• Simplify the solution to a given problem involving the sum or difference of two positive fractions or mixed numbers.
• Solve a given problem involving the addition or subtraction of positive fractions or mixed numbers, and determine if the solution is reasonable.