World HolidaysChristmas Day Applications of percent Eighth Grade Math Sequences Eighth Grade Math Displaying data Eighth Grade Math Ratios, proportions and percents Eighth Grade Math Numerical Proportions Seventh Grade Math Equations and Inequalities Seventh Grade Math
NM.A. Algebra: Students will understand algebraic concepts and applications.
5-8.A.1. Understand patterns, relations, and functions.
8.A.1.2. Use variables to generalize patterns and information presented in tables, charts, and graphs:
8.A.1.2.a. Graph linear functions noting that the vertical change per unit of horizontal change (the slope of the graph) is always the same
8.A.1.2.b. Plot the values of quantities whose ratios are always the same, fit a line to the plot, and understand that the slope of the line equals the quantities
5-8.A.2. Represent and analyze mathematical situations and structures using algebraic symbols.
8.A.2.1. Demonstrate the difference between an equation and an expression.
8.A.2.2. Solve two-step linear equations and inequalities in one variable with rational solutions.
8.A.2.4. Demonstrate understanding of the relationships between ratios, proportions, and percents and solve for a missing term in a proportion.
8.A.2.5. Graph solution sets of linear equations in two variables on the coordinate plane.
8.A.2.6. Formulate and solve problems involving simple linear relationships, find percents of a given number, variable situations, and unknown quantities.
8.A.2.7. Use symbols, variables, expressions, inequalities, equations, and simple systems of equations to represent problem situations that involve variables or unknown quantities.
5-8.A.4. Analyze changes in various contexts.
8.A.4.1. Use graphs, tables, and algebraic representations to make predictions and solve problems that involve change.
8.A.4.2. Estimate, find, and justify solutions to problems that involve change using tables, graphs, and algebraic expressions.
8.A.4.3. Use appropriate problem-solving strategies (e.g., drawing a picture, looking for a pattern, systematic guessing and checking, acting it out, making a table or graph, working a simpler problem, writing an algebraic expression or working backward) to solve problems that involve change.
8.A.4.4. Solve multi-step problems that involve changes in rate, average speed, distance, and time.
8.A.4.6. Generalize a pattern of change using algebra and show the relationship among the equation, graph, and table of values.
NM.D. Data Analysis and Probability: Students will understand how to formulate questions, analyze data, and determine probabilities.
5-8.D.1. Formulate questions that can be addressed with data and collect, organize, and display relevant data to answer them.
8.D.1.2. Generate, organize, and interpret real numbers in a variety of situations.
8.D.1.3. Organize, analyze, and display appropriate quantitative and qualitative data to address specific questions including:
8.D.1.3.d. Bar, line, and pie graphs
8.D.1.3.e. Diagram and pictorial displays
5-8.D.2. Select and use appropriate statistical methods to analyze data.
8.D.2.2. Generate, organize, and interpret real number and other data in a variety of situations.
8.D.2.3. Analyze data to make decisions and to develop convincing arguments from data displayed in a variety of formats including:
8.D.2.3.d. Scatter plots
8.D.2.3.h. Venn diagrams
8.D.2.4. Interpret and analyze data from graphical representations and draw simple conclusions (e.g., line of best fit).
8.D.2.6. Use appropriate central tendency and spread as a means for effective decision-making in analyzing data and outliers.
5-8.D.3. Develop and evaluate inferences and predictions that are based on data.
8.D.3.3. Conduct simple experiments and/or simulations, record results in charts, tables, or graphs, and use the results to draw conclusions and make predictions.
8.D.3.4. Compare expected results with experimental results and information used in predictions and inferences.
5-8.D.4. Understand and apply basic concepts of probability.
8.D.4.1. Calculate the odds of a desired outcome in a simple experiment.
8.D.4.3. Explain the relationship between probability and odds and calculate the odds of a desired outcome in a simple experiment.
8.D.4.6. Understand that the probability of two unrelated events occurring is the sum of the two individual possibilities and that the probability of one event following another, in independent trials, is the product of the two probabilities.
NM.G. Geometry: Students will understand geometric concepts and applications.
5-8.G.1. Analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematics arguments about geometric relationships.
8.G.1.1. Recognize, classify, and discuss properties of all geometric figures including point, line, and plane.
8.G.1.3. Use the Pythagorean theorem and its converse to find the missing side of a right triangle and the lengths of the other line segments.
5-8.G.3. Apply transformations and use symmetry to analyze mathematical situations.
8.G.3.2. Describe and perform single and multiple transformations that include rotation, reflection, translation, and dilation (i.e., shrink or magnify) to two-dimensional figures.
5-8.G.4. Use visualization, spatial reasoning, and geometric modeling to solve problems.
8.G.4.2. Recognize and apply properties of corresponding parts of similar and congruent triangles and quadrilaterals.
8.G.4.4. Develop and use formulas for area, perimeter, circumference, and volume.
NM.M. Measurement: Students will understand measurement systems and applications.
5-8.M.1. Understand measurable attributes of objects and the units, systems, and processes of measurement.
8.M.1.1. Understand the concept of volume and use the appropriate units in common measuring systems (e.g., cubic centimeter, cubic inch, cubic yard) to compute the volume of rectangular solids.
5-8.M.2. Apply appropriate techniques, tools, and formulas to determine measurements.
8.M.2.1. Use ratios and proportions to measure hard-to-measure objects.
8.M.2.3. Use proportional relationships in similar shapes to find missing measurements.
8.M.2.4. Apply strategies to determine the surface area and volume of prisms, pyramids, and cylinders.
8.M.2.7. Solve simple problems involving rates and derived measurements for such properties as velocity and density.
NM.N. Numbers and Operations: Students will understand numerical concepts and mathematical operations.
5-8.N.1. Understand numbers, ways of representing numbers, relationships among numbers, and number systems.
8.N.1.1. Sort numbers by their properties (e.g., prime, composite, square, square root).
8.N.1.2. Demonstrate the magnitude of rational numbers (e.g., trillions to millions).
5-8.N.2. Understand the meaning of operations and how they relate to one another.
8.N.2.1. Use real number properties (e.g., commutative, associative, distributive) to perform various computational procedures.
8.N.2.2. Perform arithmetic operations and their inverses (e.g., addition/subtraction, multiplication/division, square roots of perfect squares, cube roots of perfect cubes) on real numbers.
5-8.N.3. Compute fluently and make reasonable estimates.
8.N.3.1. Formulate algebraic expressions that include real numbers to describe and solve real-world problems.
8.N.3.4. Use real number properties to perform various computational procedures and explain how they were used.
8.N.3.5. Perform and explain computations with rational numbers, pi, and first-degree algebraic expressions in one variable in a variety of situations.
8.N.3.7. Approximate, mentally and with calculators, the value of irrational numbers as they arise from problem situations.
8.N.3.8. Express numbers in scientific notation (including negative exponents) in appropriate problem situations using a calculator.
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