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| Community Charter School of Cambridge (District) - GRADE 08 MATHEMATICS |
| ITEM INFORMATION | | PERCENT OF DISTRICT'S POSSIBLE POINTS |
| ITEM | TYPE | REPORTING CATEGORY | STANDARD | ITEM DESC | | POSSIBLE POINTS | COMMUNITY CHARTER SCHOOL OF CAMBRIDGE (DISTRICT) | STATE | DISTRICT-STATE DIFFERENCE |
| 1 | SA | NSEE | 8.EE.A.4 | Convert a number given in scientific notation to a number in standard notation. | | 1 | 80% | 68% | 12 |
| 2 | SR | NSEE | 8.NS.A.2 | Identify a point on a number line that corresponds to the approximate location of an irrational number. | | 1 | 69% | 62% | 7 |
| 3 | SR | NSEE | 8.EE.A.1 | Use the properties of integer exponents to determine an expression equivalent to a given expression. | | 1 | 73% | 63% | 10 |
| 4 | SR | NSEE | 8.EE.C.7 | Determine the solution to a linear equation by using the distributive property. | | 1 | 57% | 47% | 10 |
| 5 | CR | FN | 8.F.A.2 | Compare properties of two different functions, representing real-world contexts, graphically and verbally; write equations that represent functions. | | 4 | 76% | 65% | 11 |
| 6 | SR | NSEE | 8.NS.A.2 | Determine the location of an irrational number between two rational numbers on a number line. | | 1 | 63% | 60% | 3 |
| 7 | SR | NSEE | 8.EE.A.3 | Determine how many times greater one number is than another when both are expressed as single digits multiplied by integer powers of ten. | | 1 | 49% | 44% | 5 |
| 8 | SA | NSEE | 8.EE.A.1 | Apply the properties of integer exponents to simplify a given expression. | | 1 | 31% | 23% | 8 |
| 9 | SR | NSEE | 8.EE.C.7 | Solve a pair of linear equations expressed as verbal descriptions. | | 1 | 67% | 70% | -3 |
| 10 | SR | GE | 8.G.A.5 | Determine the measure of an unknown angle in a figure containing two parallel lines cut by a transversal. | | 1 | 92% | 79% | 13 |
| 11 | SA | GE | 8.G.B.7 | Choose side lengths to create a right triangle. | | 1 | 73% | 67% | 6 |
| 12 | SR | GE | 8.G.A.3 | Determine the coordinates of the image of a vertex of a polygon after the polygon has been reflected over the x-axis. | | 1 | 98% | 83% | 15 |
| 13 | SA | GE | 8.G.A.5 | Given parallel lines cut by a transversal, select all angles that must be congruent to one of the angles. | | 1 | 71% | 72% | -1 |
| 14 | SR | NSEE | 8.EE.B.5 | Interpret and compare proportional relationships on a graph, and identify an equation to represent the relationship. | | 1 | 69% | 55% | 14 |
| 15 | CR | SP | 8.SP.A.4 | Interpret a two-way table to answer statistical questions about categorical data collected from the same subjects. | | 4 | 40% | 39% | 1 |
| 16 | SA | GE | 8.G.A.3 | Transform a two-dimensional figure on a coordinate plane. | | 1 | 80% | 70% | 10 |
| 17 | SR | GE | 8.G.C.9 | Determine the volume of a sphere. | | 1 | 80% | 57% | 23 |
| 18 | SR | FN | 8.F.B.5 | Analyze a graph of a functional relationship to determine if different statements are true; then select another graph that exhibits a different qualitative feature of the functional relationship. | | 2 | 17% | 32% | -15 |
| 19 | SR | GE | 8.G.B.8 | Determine the length of a side of a right triangle graphed on the coordinate plane by using the Pythagorean Theorem. | | 1 | 35% | 38% | -3 |
| 20 | SR | GE | 8.G.A.4 | Determine which measurements belong to a triangle similar to a given triangle. | | 1 | 76% | 58% | 18 |
| 21 | SR | SP | 8.SP.A.1 | Determine which scatter plot matches a given description that includes information about linearity and direction of correlation. | | 1 | 82% | 88% | -6 |
| 22 | SR | NSEE | 8.EE.A.1 | Determine which expression with an exponent is equivalent to a given expression featuring multiplication of two numbers with the same base but different exponents. | | 1 | 63% | 59% | 4 |
| 23 | SR | NSEE | 8.NS.A.2 | Determine between which pair of integers a square root of a given number lies. | | 1 | 73% | 71% | 2 |
| 24 | CR | NSEE | 8.EE.C.8 | Given the graph of a system of linear equations, solve the system, write the equation of a graphed line, and determine whether a third line passing through two given points will intersect the line. | | 4 | 65% | 49% | 16 |
| 25 | SA | NSEE | 8.NS.A.1 | Convert a fraction to a decimal. | | 1 | 37% | 30% | 7 |
| 26 | SA | NSEE | 8.EE.A.1 | Apply the properties of integer exponents to generate an equivalent expression when one exponent is positive and the other exponent is negative. | | 1 | 71% | 60% | 11 |
| 27 | SR | FN | 8.F.B.4 | Determine the rate of change from a verbal description of a proportional relationship, and use that rate of change to solve a real-world problem. | | 1 | 51% | 55% | -4 |
| 28 | SR | NSEE | 8.EE.A.1 | Use the properties of integer exponents to determine an expression equivalent to a given expression. | | 1 | 53% | 40% | 13 |
| 29 | SA | NSEE | 8.EE.B.5 | Graph a real-world proportional relationship and identify an equation to represent a related relationship. | | 2 | 79% | 74% | 5 |
| 30 | SA | FN | 8.F.B.5 | Analyze a graph where a function is increasing and decreasing. | | 1 | 22% | 38% | -16 |
| 31 | SA | NSEE | 8.EE.A.3 | Given two quantities, each expressed as a single digit multiplied by an integer power of ten, determine how many times as much one quantity is than the other. | | 1 | 49% | 44% | 5 |
| 32 | SR | SP | 8.SP.A.3 | Interpret the meaning of the slope in a linear equation. | | 1 | 67% | 48% | 19 |
| 33 | SR | GE | 8.G.A.3 | Determine the coordinates of the image of a vertex of a polygon after the polygon has been reflected over the y-axis. | | 1 | 88% | 73% | 15 |
| 34 | 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 | 71% | 68% | 3 |
| 35 | CR | GE | 8.G.A.1 | Given a polygon and its image after a transformation, verify congruence by analyzing properties of both; describe a series of transformations that would result in the same image of the polygon. | | 4 | 57% | 47% | 10 |
| 36 | SR | FN | 8.F.B.4 | Determine which graph has a given slope. | | 1 | 84% | 72% | 12 |
| 37 | SR | GE | 8.G.B.7 | Use the Pythagorean Theorem to solve a problem with real-world context. | | 1 | 67% | 65% | 2 |
| 38 | SA | GE | 8.G.A.2 | Determine the measure of an unknown angle in a figure by using facts about similarity. | | 1 | 35% | 41% | -6 |
| 39 | SR | FN | 8.F.A.1 | Identify y as a function of x from given input/output tables. | | 1 | 39% | 35% | 4 |
| 40 | SR | GE | 8.G.A.5 | Determine which angles are congruent when two parallel lines are intersected by a transversal. | | 1 | 78% | 79% | -1 |
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GRADE 08 - MATHEMATICS
