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| Pittsfield - GRADE 08 MATHEMATICS |
| ITEM INFORMATION | | PERCENT OF DISTRICT'S POSSIBLE POINTS |
| ITEM | TYPE | REPORTING CATEGORY | STANDARD | ITEM DESC | | POSSIBLE POINTS | PITTSFIELD | STATE | DISTRICT-STATE DIFFERENCE |
| 1 | SR | NSEE | 8.EE.C.8 | Determine the coordinates of the solution of a system of equations. | | 1 | 37% | 55% | -18 |
| 2 | SR | FN | 8.F.A.1 | Given a set of points on a coordinate plane, determine which point should be removed in order to create a function. | | 1 | 22% | 41% | -19 |
| 3 | SR | NSEE | 8.EE.A.1 | Apply the properties of positive and negative integer exponents to identify equivalent expressions. | | 1 | 20% | 40% | -20 |
| 4 | SR | FN | 8.F.B.4 | Determine which equation can be used to find the value of an unknown quantity, given a verbal description of a ratio in a real-world context. | | 1 | 68% | 78% | -10 |
| 5 | SR | NSEE | 8.NS.A.1 | Identify rational numbers from a list of radical expressions. | | 1 | 27% | 53% | -26 |
| 6 | CR | NSEE | 8.EE.A.4 | Convert numbers expressed in standard notation into scientific notation, and multiply and divide numbers expressed in scientific notation using a real-world context. | | 4 | 13% | 33% | -20 |
| 7 | SR | GE | 8.G.A.2 | Determine which statement about a rectangle and its image after a reflection is true, and identify which transformation preserves congruence of a figure. | | 2 | 44% | 61% | -17 |
| 8 | SR | NSEE | 8.EE.A.3 | Convert expressions written in scientific notation to expressions written in standard notation. | | 1 | 26% | 44% | -18 |
| 9 | SR | NSEE | 8.NS.A.2 | Determine the approximate locations of irrational numbers on a number line. | | 1 | 15% | 34% | -19 |
| 10 | SR | SP | 8.SP.A.3 | Interpret the y-intercept in a linear model based on data to determine which sentence interpreting the model is true. | | 1 | 36% | 57% | -21 |
| 11 | SR | NSEE | 8.EE.B.5 | Determine which graph represents a proportional relationship described within a real-world context. | | 1 | 70% | 83% | -13 |
| 12 | SR | GE | 8.G.C.9 | Determine the volume of a cylinder in a real-world context. | | 1 | 38% | 63% | -25 |
| 13 | SR | FN | 8.F.A.2 | Compare the y-intercepts of linear functions represented algebraically and in tables. | | 1 | 33% | 59% | -26 |
| 14 | SR | FN | 8.F.A.1 | Determine which set of coordinate pairs represents a function. | | 1 | 40% | 65% | -25 |
| 15 | SR | FN | 8.F.B.5 | Determine which statement best describes a given graph qualitatively. | | 1 | 46% | 52% | -6 |
| 16 | CR | GE | 8.G.A.1 | Given a polygon and its image after a transformation, verify congruence by analyzing properties of both polygons and describe a series of transformations that would result in the same image of the polygon. | | 4 | 21% | 39% | -18 |
| 17 | SR | GE | 8.G.B.6 | Determine which set of numbers could represent the side lengths of a right triangle. | | 1 | 29% | 45% | -16 |
| 18 | SR | SP | 8.SP.A.2 | Justify why a line drawn through data on a scatter plot is suitable as a line of best fit. | | 1 | 29% | 48% | -19 |
| 19 | SR | NSEE | 8.EE.B.6 | Use similar triangles to compare the slopes of two line segments on the same line. | | 1 | 16% | 35% | -19 |
| 20 | SA | GE | 8.G.B.8 | Apply the Pythagorean Theorem to plot a point at a given distance from a second point. | | 1 | 8% | 21% | -13 |
| 21 | SR | GE | 8.G.A.3 | Given a transformation, determine the coordinates of the image of a given point. | | 1 | 70% | 84% | -14 |
| 22 | SR | NSEE | 8.NS.A.2 | Identify the approximate value of an irrational number. | | 1 | 43% | 64% | -21 |
| 23 | SR | NSEE | 8.NS.A.1 | Identify an irrational number from a list of numbers. | | 1 | 38% | 58% | -20 |
| 24 | CR | SP | 8.SP.A.1 | Interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities. | | 4 | 55% | 69% | -14 |
| 25 | SR | NSEE | 8.EE.C.7 | Solve a linear equation by collecting like terms. | | 1 | 63% | 62% | 1 |
| 26 | SR | NSEE | 8.EE.A.1 | Use the properties of exponents to identify equivalent expressions. | | 1 | 15% | 30% | -15 |
| 27 | SR | NSEE | 8.EE.B.5 | Interpret a proportional relationship on a graph by identifying and interpreting the slope of the graph. | | 1 | 40% | 54% | -14 |
| 28 | SR | NSEE | 8.EE.B.6 | Determine which equation represents a line graphed on a coordinate plane. | | 1 | 31% | 51% | -20 |
| 29 | SA | NSEE | 8.EE.A.4 | Solve a real-world problem by performing operations with numbers expressed in both scientific and standard notation. | | 1 | 12% | 24% | -12 |
| 30 | SA | NSEE | 8.EE.A.2 | Determine the cube root of a given number in the context of volume of a cube. | | 1 | 11% | 31% | -20 |
| 31 | SR | GE | 8.G.B.7 | Create an equation to find an unknown leg length of a right triangle. | | 1 | 37% | 54% | -17 |
| 32 | CR | FN | 8.F.B.4 | Given a graph, determine the slope and y-intercept and use the equation of the line to predict the value of y given its corresponding x value. | | 4 | 22% | 45% | -23 |
| 33 | SR | GE | 8.G.A.3 | Determine the coordinates of a point in a figure on a coordinate plane after a reflection. | | 1 | 40% | 62% | -22 |
| 34 | SA | GE | 8.G.A.5 | Given parallel lines cut by a transversal, identify all angles that must be congruent to a given angle measure. | | 1 | 19% | 38% | -19 |
| 35 | SA | GE | 8.G.C.9 | Determine the volume of a cone, given its radius and height in a real-world context. | | 1 | 17% | 50% | -33 |
| 36 | SR | FN | 8.F.A.2 | Compare properties of two functions represented algebraically and in a table, and interpret each function's rate of change and initial value. | | 1 | 59% | 68% | -9 |
| 37 | SR | FN | 8.F.A.1 | Determine which graph does not represent a function. | | 1 | 45% | 59% | -14 |
| 38 | SR | NSEE | 8.EE.C.8 | Find the value of one variable in a system of linear equations representing a real-world context. | | 2 | 43% | 57% | -14 |
| 39 | SR | GE | 8.G.A.4 | Given several transformations of a figure, determine whether the image created by each transformation is congruent or similar but not congruent to the original figure. | | 1 | 13% | 40% | -27 |
| 40 | SA | GE | 8.G.C.9 | Find the volume of a sphere given its radius. | | 1 | 14% | 40% | -26 |
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GRADE 08 - MATHEMATICS
