Chelmsford - GRADE 08 MATHEMATICS |
ITEM INFORMATION | | PERCENT OF DISTRICT'S POSSIBLE POINTS |
ITEM | TYPE | REPORTING CATEGORY | STANDARD | ITEM DESC | | POSSIBLE POINTS | CHELMSFORD | STATE | DISTRICT-STATE DIFFERENCE |
1 | SR | EE | 8.EE.B.05 | Compare characteristics of two different proportional relationships represented by lines on a coordinate plane. | | 1 | 90% | 82% | 8 |
2 | SR | EE | 8.EE.A.04 | Convert a number in scientific notation to standard notation. | | 1 | 67% | 68% | -1 |
3 | SR | EE | 8.EE.C.07 | Find the value of the unknown variable in a given equation. | | 1 | 56% | 44% | 12 |
4 | SA | GE | 8.G.A.04 | Given two similar rectangles, find the length of a corresponding side. | | 1 | 56% | 39% | 17 |
5 | CR | FN | 8.F.B.04 | Determine output values of a graphed function for given input values, and write an expression that represents the output values for a given context. | | 4 | 71% | 61% | 10 |
6 | SA | NS | 8.NS.A.02 | Approximate the value of a square root expression in a given context. | | 1 | 35% | 22% | 13 |
7 | SR | EE | 8.EE.B.05 | Compare characteristics of two different proportional relationships. | | 1 | 69% | 63% | 6 |
8 | SR | NS | 8.NS.A.01 | Identify which number in a list of numbers is irrational. | | 1 | 38% | 38% | 0 |
9 | SR | SP | 8.SP.A.04 | Make comparisons of two different groups using a two-way table. | | 1 | 79% | 68% | 11 |
10 | SR | FN | 8.F.A.03 | Determine which equation in a list of equations represents a linear function. | | 1 | 44% | 42% | 2 |
11 | SA | FN | 8.F.A.01 | Graph a linear function given the equation of the line. | | 1 | 69% | 61% | 8 |
12 | CR | EE | 8.EE.A.02 | Find the value of the unknown variable in a given equation for different situations. | | 4 | 58% | 48% | 10 |
13 | SA | NS | 8.NS.A.02 | Approximate the square root of a given number on a number line. | | 1 | 75% | 68% | 7 |
14 | SR | EE | 8.EE.C.08 | Determine the solution for a linear system of equations. | | 1 | 50% | 44% | 6 |
15 | SR | GE | 8.G.A.03 | Select the graph of an image after a series of transformations, and determine the rule for finding the coordinates of an image after a series of transformations. | | 2 | 57% | 53% | 4 |
16 | SR | EE | 8.EE.A.03 | Convert a number in standard notation to scientific notation. | | 1 | 59% | 62% | -3 |
17 | SR | FN | 8.F.A.02 | Determine the linear relationship with the greatest rate of change from among different linear representations. | | 1 | 50% | 42% | 8 |
18 | SR | GE | 8.G.C.09 | Find the volume of a cylinder given its radius and height. | | 1 | 74% | 62% | 12 |
19 | SR | EE | 8.EE.B.06 | Find the equation of a line that has the same slope as a given line graphed on a coordinate plane. | | 1 | 44% | 37% | 7 |
20 | SR | EE | 8.EE.A.01 | Use the properties of exponents to determine which expression is equivalent to the given expression. | | 1 | 43% | 44% | -1 |
21 | SR | EE | 8.EE.B.05 | Determine which graph represents a proportional relationship in a given context. | | 1 | 89% | 82% | 7 |
22 | SR | FN | 8.F.B.04 | Given a table of values, find the initial value (y-intercept) of a linear function that models a given context. | | 1 | 92% | 91% | 1 |
23 | SR | EE | 8.EE.B.06 | Use similar triangles to compare the slope of two line segments on the same line. | | 1 | 56% | 54% | 2 |
24 | SR | GE | 8.G.A.05 | Given two triangles are similar, find the measurement of a corresponding angle. | | 1 | 83% | 70% | 13 |
25 | CR | GE | 8.G.A.02 | Describe the transformation that produced a given result and understand that transformations preserve congruence. | | 4 | 59% | 50% | 9 |
26 | SR | GE | 8.G.A.01 | Determine which graph shows the image of a figure after a given transformation. | | 1 | 81% | 72% | 9 |
27 | SA | EE | 8.EE.C.08 | Find the value of one variable in a system of linear equations that represent a given context. | | 1 | 78% | 70% | 8 |
28 | SR | EE | 8.EE.B.05 | Determine which equation represents a proportional relationship in a given context. | | 1 | 80% | 73% | 7 |
29 | SR | GE | 8.G.B.07 | Use the Pythagorean theorem to find the missing side length of a triangle. | | 1 | 74% | 71% | 3 |
30 | SR | FN | 8.F.B.04 | Identify the equation that represents a given context. | | 1 | 86% | 81% | 5 |
31 | SA | GE | 8.G.A.03 | Graph the image of a given triangle after a rotation. | | 1 | 40% | 33% | 7 |
32 | CR | SP | 8.SP.A.03 | Use the equation of a line that models a given context to interpret the slope and intercept, and to solve problems related to the context. | | 4 | 58% | 47% | 11 |
33 | SA | SP | 8.SP.A.01 | Determine which points on a scatter plot are outliers. | | 1 | 91% | 85% | 6 |
34 | SA | EE | 8.EE.C.08 | Determine the solution for a linear system of equations given its graph. | | 1 | 80% | 73% | 7 |
35 | SR | GE | 8.G.A.02 | Describe the sequence of transformations to map a figure to its image and understand that transformations preserve congruence. | | 2 | 70% | 61% | 9 |
36 | SR | GE | 8.G.B.08 | Use the Pythagorean theorem to find the distance between two points on a map. | | 1 | 43% | 41% | 2 |
37 | SA | EE | 8.EE.C.07 | Find the value of the unknown variable in a given equation. | | 1 | 49% | 43% | 6 |
38 | SR | FN | 8.F.A.03 | Determine which graph represents a linear function. | | 1 | 60% | 46% | 14 |
39 | SR | GE | 8.G.A.02 | Determine which triangle is congruent to a given triangle. | | 1 | 72% | 73% | -1 |
40 | SR | FN | 8.F.A.01 | Determine which mapping is not a function. | | 1 | 66% | 60% | 6 |