Math Games

Grade 7 - Number

Standard 7.N.5 -

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).
• Achievement Indicators:
- 7N5.1 Model addition of positive fractions, using concrete representations, and record symbolically.
- 7N5.2 Determine the sum of two given positive fractions with like denominators.
- 7N5.3 Simplify a given positive fraction by identifying the common factor between the numerator and denominator.
- 7N5.4 Determine a common denominator for a given set of positive fractions.
- 7N5.5 Determine the sum of two given positive fractions with unlike denominators.
- 7N5.6 Model subtraction of positive fractions, using concrete representations, and record symbolically.
- 7N5.7 Determine the difference of two given positivefractions.
- 7N5.8 Model addition and subtraction of mixed numbers,using concrete representations, and recordsymbolically.
- 7N5.9 Determine the sum or difference of two mixednumbers.
- 7N5.10 Simplify the solution to a given problem involving thesum or difference of two positive fractions or mixednumbers.
- 7N5.11 Solve a given problem involving the addition or subtraction of positive fractions or mixed numbers, and determine if the solution is reasonable.