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6th Grade Number Sense:  Standards and Practice Problem(s)	Mathcasts + ExamView
6NS.1.0 Students compare and order positive and negative fractions, decimals, and mixed numbers. Students solve problems involving fractions, ratios, proportions, and percentages.
6NS.1.1 Compare and order positive and negative fractions, decimals, and mixed numbers and place them on a number line.	View full-sized mathcast   6 NS 1.1 2 Available
6NS.1.2 Interpret and use ratios in different contexts (e.g., batting averages, miles per hour) to show the relative sizes of two quantities, using appropriate notations ( a/b, a to b, a.b ).	6 NS 1.2 4 Available
6NS.1.3 Use proportions to solve problems (e.g., determine the value of N if 4/7 = N/ 21, find the length of a side of a polygon similar to a known polygon). Use cross-multiplication as a method for solving such problems, understanding it as the multiplication of both sides of an equation by a multiplicative inverse.	6 NS 1.3 All 6 Available
6NS.1.4 Calculate given percentages of quantities and solve problems involving discounts at sales, interest earned, and tips.	6 NS 1.4 All 3 Available
6NS.2.0 Students calculate and solve problems involving addition, subtraction, multiplication, and division.
6NS.2.1 Solve problems involving addition, subtraction, multiplication, and division of positive fractions and explain why a particular operation was used for a given situation.	6 NS 2.1 All 3 Available
6NS.2.2 Explain the meaning of multiplication and division of positive fractions and perform the calculations (e.g., 5/8 ÷ 15/16 = 5/8 x 16/15 = 2/3).	6 NS 2.2 2 Available
6NS.2.3 Solve addition, subtraction, multiplication, and division problems, including those arising in concrete situations, that use positive and negative integers and combinations of these operations.	6 NS 2.3 All 5 Available
6NS.2.4 Determine the least common multiple and the greatest common divisor of whole numbers; use them to solve problems with fractions (e.g., to find a common denominator to add two fractions or to find the reduced form for a fraction).	6 NS 2.4 2 Available

Keywords: addition

Source: www.csun.edu/~vcmth00m/practice.html

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