| Bellingham - GRADE 08 MATHEMATICS |
| ITEM INFORMATION | | PERCENT OF DISTRICT'S POSSIBLE POINTS |
| ITEM | TYPE | REPORTING CATEGORY | STANDARD | ITEM DESC | | POSSIBLE POINTS | BELLINGHAM | STATE | DISTRICT-STATE DIFFERENCE |
| 1 | SR | NSEE | 8.EE.C.7 | Solve a linear equation by collecting like terms. | | 1 | 67% | 59% | 8 |
| 2 | SR | GE | 8.G.C.9 | Find the volume of a cylinder given its diameter and height. | | 1 | 29% | 45% | -16 |
| 3 | SR | GE | 8.G.A.2 | Given several transformations on a triangle, determine whether the resulting images are congruent to the original figure. | | 1 | 64% | 55% | 9 |
| 4 | SR | NSEE | 8.NS.A.2 | Approximate the value of a square root by showing how to find its location on a number line. | | 1 | 41% | 59% | -18 |
| 5 | CR | FN | 8.F.B.4 | Use the linear relationship represented in a table to determine the y-intercept and slope; to write the equation of the line; and to determine whether a given point falls on the line. | | 4 | 27% | 32% | -5 |
| 6 | SR | NSEE | 8.EE.A.4 | Solve a real-world problem that involves performing operations on two numbers expressed in scientific notation. | | 1 | 58% | 49% | 9 |
| 7 | SR | NSEE | 8.EE.C.8 | Determine the number of solutions to a system of equations. | | 1 | 44% | 40% | 4 |
| 8 | SR | NSEE | 8.EE.A.1 | Apply the properties of negative integer bases and exponents to identify the signed values of expressions. | | 1 | 31% | 38% | -7 |
| 9 | SR | NSEE | 8.NS.A.1 | Match decimal expansions with their fraction equivalents. | | 1 | 34% | 49% | -15 |
| 10 | SR | NSEE | 8.EE.A.2 | Evaluate the cube root of a small perfect cube. | | 1 | 31% | 46% | -15 |
| 11 | SR | NSEE | 8.EE.B.5 | Determine which graph represents a proportional relationship in a real-world context. | | 1 | 71% | 74% | -3 |
| 12 | SR | GE | 8.G.B.7 | Use the Pythagorean theorem to find the missing side length of a right triangle in a real-world problem. | | 1 | 49% | 53% | -4 |
| 13 | CR | SP | 8.SP.A.1 | Given a scatter plot, determine if there are outliers in the data, describe the association represented by the data, and make a prediction based on the data. | | 4 | 65% | 70% | -5 |
| 14 | SR | GE | 8.G.B.6 | Given the lengths of two sides of a right triangle, determine the possible length of the third side by using the Pythagorean Theorem. | | 1 | 14% | 27% | -13 |
| 15 | SA | NSEE | 8.EE.C.8 | Create two linear equations, each involving the same two variables, to solve a real-world problem. | | 1 | 52% | 48% | 4 |
| 16 | SA | GE | 8.G.A.1 | Determine the length of a line segment after a series of transformations. | | 1 | 66% | 65% | 1 |
| 17 | SA | GE | 8.G.B.8 | Use the Pythagorean Theorem to create an equation to represent the length of a line segment that is graphed on a coordinate plane. | | 1 | 28% | 45% | -17 |
| 18 | SR | GE | 8.G.A.5 | Determine the angle measures of a triangle that is congruent to a given triangle. | | 1 | 46% | 43% | 3 |
| 19 | SR | FN | 8.F.A.3 | Interpret the equation y=mx+b, and decide whether given functions are linear or not linear. | | 2 | 40% | 48% | -8 |
| 20 | SR | GE | 8.G.A.3 | Determine the coordinates of the image of a vertex of a quadrilateral after it has been rotated about the origin. | | 1 | 59% | 63% | -4 |
| 21 | SR | NSEE | 8.NS.A.2 | Determine between which pair of integers the square root of a given number lies. | | 1 | 75% | 72% | 3 |
| 22 | SA | SP | 8.SP.A.3 | Use the equation of a linear model derived from data to solve a real-world problem. | | 1 | 63% | 58% | 5 |
| 23 | CR | NSEE | 8.EE.A.1 | Use the properties of exponents to find equivalent expressions. | | 4 | 39% | 44% | -5 |
| 24 | SR | NSEE | 8.NS.A.1 | Identify an irrational number from a list of numbers. | | 1 | 40% | 59% | -19 |
| 25 | SR | NSEE | 8.EE.C.8 | Determine the coordinates of the solution of a system of equations. | | 1 | 46% | 54% | -8 |
| 26 | SR | NSEE | 8.EE.A.1 | Use the properties of exponents to identify equivalent expressions. | | 1 | 25% | 30% | -5 |
| 27 | SR | NSEE | 8.EE.B.5 | Interpret a proportional relationship on a graph, and identify and interpret the slope of the graph. | | 1 | 58% | 51% | 7 |
| 28 | SR | NSEE | 8.EE.A.2 | Classify radical expressions as rational or irrational numbers. | | 1 | 24% | 38% | -14 |
| 29 | SA | GE | 8.G.A.1 | Determine the effects of a translation and a rotation on the angles and sides of a quadrilateral. | | 2 | 78% | 66% | 12 |
| 30 | SR | NSEE | 8.NS.A.1 | Identify rational numbers from a list of radical expressions. | | 1 | 34% | 52% | -18 |
| 31 | SR | FN | 8.F.B.4 | Use the linear relationship represented in a table of values to solve a real-world problem that involves determining the y-value for a given x-value. | | 1 | 76% | 70% | 6 |
| 32 | SR | SP | 8.SP.A.3 | Use the equation of a linear model derived from data to solve a real-world problem. | | 1 | 64% | 70% | -6 |
| 33 | 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 | 30% | 48% | -18 |
| 34 | SR | FN | 8.F.B.4 | Given a real-world context, interpret the rate of change from an equation. | | 1 | 68% | 65% | 3 |
| 35 | CR | GE | 8.G.A.1 | Given a polygon and its image after a transformation, verify congruence by analyzing properties of both polygons; describe a series of transformations that would result in the same image of the polygon. | | 4 | 39% | 36% | 3 |
| 36 | SA | 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 | 37% | 43% | -6 |
| 37 | SR | FN | 8.F.A.1 | Determine which set of coordinate pairs represents a function. | | 1 | 53% | 60% | -7 |
| 38 | 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 | 65% | 67% | -2 |
| 39 | SA | GE | 8.G.C.9 | Find the volume of a sphere given its radius. | | 1 | 24% | 35% | -11 |
| 40 | 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 | 52% | 38% | 14 |
