| North Middlesex - GRADE 08 MATHEMATICS |
| ITEM INFORMATION | | PERCENT OF DISTRICT'S POSSIBLE POINTS |
| ITEM | TYPE | REPORTING CATEGORY | STANDARD | ITEM DESC | | POSSIBLE POINTS | NORTH MIDDLESEX | STATE | DISTRICT-STATE DIFFERENCE |
| 1 | SR | NSEE | 8.NS.A.2 | Determine between which pair of integers a square root of a given number lies. | | 1 | 55% | 63% | -8 |
| 2 | SR | NSEE | 8.EE.C.8 | Determine the coordinates of the solution of a system of equations. | | 1 | 45% | 54% | -9 |
| 3 | SR | FN | 8.F.A.3 | Determine which statement about a linear equation is true. | | 1 | 55% | 67% | -12 |
| 4 | SR | GE | 8.G.B.6 | Given a right triangle, identify an equation that relates its side lengths. | | 1 | 83% | 75% | 8 |
| 5 | CR | SP | 8.SP.A.1 | Given a set of data in a table, create a scatterplot, determine if there are outliers in the data, describe the association represented by the data, and make a prediction based on the data. | | 4 | 57% | 67% | -10 |
| 6 | SR | NSEE | 8.EE.A.3 | Convert a number in scientific notation to standard notation. | | 1 | 56% | 65% | -9 |
| 7 | SR | FN | 8.F.A.2 | Determine which equation of a line has a graph with the same y-intercept as the line represented by a table of values. | | 1 | 55% | 57% | -2 |
| 8 | SA | NSEE | 8.EE.A.2 | Complete the first two steps of the correct solution to find the value of x in an equation in the form x^3 = p. | | 1 | 31% | 41% | -10 |
| 9 | SR | NSEE | 8.NS.A.1 | Identify numbers as rational or irrational. | | 1 | 54% | 57% | -3 |
| 10 | SR | NSEE | 8.EE.B.5 | Determine which graph represents a proportional relationship in a given context. | | 1 | 60% | 58% | 2 |
| 11 | SA | NSEE | 8.NS.A.2 | Use a number line to show the approximate value of an irrational number. | | 1 | 25% | 35% | -10 |
| 12 | CR | NSEE | 8.EE.A.4 | Compare, multiply, add, and divide numbers expressed in scientific notation, using a real-world context. | | 4 | 35% | 37% | -2 |
| 13 | SR | NSEE | 8.EE.B.6 | Determine which equation represents a line graphed on a coordinate plane. | | 1 | 64% | 60% | 4 |
| 14 | SA | GE | 8.G.A.1 | Graph the image of a triangle after a reflection and compare the sides, angles, areas, and perimeters of the triangle and its image. | | 2 | 70% | 60% | 10 |
| 15 | SA | NSEE | 8.EE.A.2 | Evaluate the square root of a small perfect square in a real-world context. | | 1 | 72% | 78% | -6 |
| 16 | SR | FN | 8.F.A.1 | Identify which tables contain values that represent functions. | | 1 | 22% | 46% | -24 |
| 17 | SA | NSEE | 8.NS.A.1 | Convert a fraction to a decimal. | | 1 | 13% | 19% | -6 |
| 18 | SR | NSEE | 8.EE.C.7 | Solve a linear equation using the distributive property and combining like terms. | | 1 | 50% | 51% | -1 |
| 19 | SR | GE | 8.G.A.4 | Identify a transformation that will result in an image that is similar, but not congruent, to the original figure. | | 1 | 69% | 62% | 7 |
| 20 | SR | NSEE | 8.EE.A.3 | Convert the product of two numbers expressed in standard notation into the form of a single digit multiplied by an integer power of 10. | | 1 | 36% | 45% | -9 |
| 21 | SR | SP | 8.SP.A.3 | Determine which statement describes the slope of a graph in a given real-world context. | | 1 | 89% | 82% | 7 |
| 22 | SR | GE | 8.G.B.7 | Determine the length of the hypotenuse, given a right triangle in a real-world scenario. | | 1 | 81% | 72% | 9 |
| 23 | SR | FN | 8.F.A.2 | Compare functions represented algebraically and in a table and interpret each function's y-intercept. | | 1 | 59% | 63% | -4 |
| 24 | SR | NSEE | 8.EE.B.5 | Determine which equation represents a proportional relationship in a real-world context. | | 1 | 68% | 68% | 0 |
| 25 | CR | FN | 8.F.B.4 | Solve multi-step problems involving interpreting a given graph, finding the rate of change, and constructing a function based on a given real-world context. | | 4 | 45% | 48% | -3 |
| 26 | SR | SP | 8.SP.A.4 | Determine a percentage to compare data in a two-way table. | | 1 | 53% | 59% | -6 |
| 27 | SA | GE | 8.G.C.9 | Order three-dimensional shapes (cylinder, sphere and cone) according to their volumes. | | 1 | 48% | 54% | -6 |
| 28 | SR | NSEE | 8.EE.C.7 | Determine the number of solutions for two different one-variable equations. | | 1 | 39% | 39% | 0 |
| 29 | SR | FN | 8.F.A.1 | Identify which table contains values that represent y as a function of x. | | 1 | 31% | 51% | -20 |
| 30 | SA | GE | 8.G.A.3 | Graph the image of a triangle on a coordinate plane after a sequence of transformations. | | 1 | 56% | 50% | 6 |
| 31 | SR | NSEE | 8.EE.C.8 | Determine the x-value in the solution of a linear system of equations. | | 1 | 37% | 42% | -5 |
| 32 | CR | GE | 8.G.A.5 | Determine the measures of angles shown in a diagram consisting of parallel lines intersected by a transversal. | | 4 | 33% | 33% | 0 |
| 33 | SR | FN | 8.F.B.5 | Given a graph of a function, determine which statements about the function are true. | | 1 | 38% | 42% | -4 |
| 34 | SA | NSEE | 8.EE.A.1 | Use and apply properties of integer exponents to simplify a numerical expression and to identify an expression that is equivalent to a given expression. | | 2 | 35% | 33% | 2 |
| 35 | SR | SP | 8.SP.A.2 | Describe the direction and strength of a linear relationship, given a scatter plot and line of best fit. | | 1 | 40% | 63% | -23 |
| 36 | SR | GE | 8.G.A.3 | Determine the coordinates of a point on a figure after a dilation. | | 1 | 41% | 43% | -2 |
| 37 | SR | GE | 8.G.A.2 | Determine the sequence of transformations that can be used to demonstrate the congruence of two triangles drawn on the coordinate plane. | | 1 | 62% | 53% | 9 |
| 38 | SR | SP | 8.SP.A.4 | Use relative frequencies from a two-way frequency table to solve a real-world problem. | | 1 | 28% | 45% | -17 |
| 39 | SR | GE | 8.G.B.8 | Determine the distance between two points on a coordinate plane using the Pythagorean Theorem. | | 1 | 41% | 37% | 4 |
| 40 | SR | FN | 8.F.A.1 | Determine if a table contains values that represent y as a function of x and identify how that relationship is shown in the table. | | 1 | 14% | 33% | -19 |
