IXL Math - Oregon sixth-grade math standards

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Oregon

Skills available for Oregon sixth-grade math standards

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6.1 Number and Operations

6.1.1 Select and use appropriate strategies to estimate fraction and decimal products and quotients.
- Multiply and divide decimals: Estimate products of decimal numbers (Sixth grade - O.2)
- Multiply fractions: Estimate products of fractions and whole numbers (Sixth grade - V.4)
6.1.2 Use and analyze a variety of strategies, including models, for solving problems with multiplication and division of fractions.
- Multiply fractions: Multiply fractions - with models (Sixth grade - V.5)
- Divide fractions: Divide by fractions - with models (Sixth grade - W.1)
6.1.3 Use and analyze a variety of strategies, including models, for solving problems with multiplication and division of decimals.
- Multiply decimals: Multiply two decimals using grids (Fifth grade - G.8)
6.1.4 Develop fluency with efficient procedures for multiplying and dividing fractions and decimals and justify why the procedures work.
6.1.5 Apply the inverse relationship between multiplication and division to make sense of procedures for multiplying and dividing fractions and justify why they work.
- Divide fractions: Reciprocals (Sixth grade - W.2)
6.1.6 Apply the properties of operations to simplify calculations.
6.1.7 Use the relationship between common decimals and fractions to solve problems including problems involving measurement.

6.2 Number and Operations and Probability

6.2.1 Develop, analyze, and apply the meaning of ratio, rate, and percent to solve problems.
6.2.2 Determine decimal and percent equivalents for common fractions, including approximations.
6.2.3 Understand the meaning of probability and represent probabilities as ratios, decimals, and percents.
- Probability: Probability of one event (Sixth grade - AA.2)
6.2.4 Determine simple probabilities, both experimental and theoretical.
- Probability: Probability of one event (Sixth grade - AA.2)
6.2.5 Develop the concept of pi as the ratio of the circumference of a circle to its diameter.
- Geometry: Circles: calculate area, circumference, radius, and diameter (Sixth grade - Y.23)

6.3 Algebra

6.3.1 Use order of operations to simplify expressions that may include exponents and grouping symbols.
6.3.2 Develop the meanings and uses of variables.
- Algebra: Write variable expressions to represent word problems (Sixth grade - P.1)
6.3.3 Write, evaluate, and use expressions and formulas to solve problems.
6.3.4 Identify and represent equivalent expressions (e.g., different ways to see a pattern).
6.3.5 Represent, analyze, and determine relationships and patterns using tables, graphs, words and when possible, symbols.
6.3.6 Recognize that the solutions of an equation are the values of the variables that make the equation true.
- Algebra: Does (x, y) satisfy an equation? (Sixth grade - P.13)
6.3.7 Solve one-step equations by using number sense, properties of operations, and the idea of maintaining equality on both sides of an equation.