# Barnstable

Districts Schools ## 2017 Item by Item Results for GRADE 08 MATHEMATICS

### Number of Students Included: 357     Mode: Online

 Barnstable - GRADE 08 MATHEMATICS ITEM INFORMATION PERCENT OF DISTRICT'S POSSIBLE POINTS ITEM TYPE REPORTING CATEGORY STANDARD ITEM DESC POSSIBLE POINTS BARNSTABLE STATE DISTRICT-STATE DIFFERENCE 1 SA FN 8.F.1.A.1 Complete a given input-output table given that the relationship is not a function. 1 39% 41% -2 2 CR EE 8.EE.1.A.3 Solve a multi-step real-world problem involving single-digit numbers multiplied by powers of 10 and the relationships among them. 4 23% 36% -13 3 SR SP 8.SP.1.A.4 Interpret a given two-way table and select the relative frequency based on a given real-world context. 1 50% 59% -9 4 SR GE 8.G.2.B.7 Apply Pythagorean Theorem to determine unknown lengths in a real-world context. 1 75% 77% -2 5 SR NS 8.NS.1.A.1 Identify the number that is irrational. 1 25% 29% -4 6 SR EE 8.EE.1.A.2 Find the value of x in a given equation of the form x squared = p. 1 76% 83% -7 7 SR SP 8.SP.1.A.4 Interpret a given two-way table to solve a real-world problem. 1 82% 86% -4 8 SA GE 8.G.1.A.3 Determine the x-coordinate of the vertex of the image of a reflected triangle and select descriptions of relationships between the triangle and its reflection. 2 37% 46% -9 9 SR NS 8.NS.1.A.2 Determine which point on a number line best approximates the location of the square root of a two-digit number. 1 75% 76% -1 10 SR FN 8.F.2.B.4 Solve problems involving finding and interpreting the rate of change, and constructing a function based on a given real-world context. 4 55% 59% -4 11 SR NS 8.NS.1.A.2 Find the range of values for the given square root of a given one-digit whole number. 1 67% 73% -6 12 SA EE 8.EE.3.C.7 Find the value of the unknown variable in a given equation. 1 33% 45% -12 13 SR FN 8.F.2.B.5 Determine which graph represents a function that was described qualitatively. 1 71% 76% -5 14 SR EE 8.EE.1.A.4 Solve a real-world problem that involves performing operations on two numbers expressed in scientific notation. 1 42% 52% -10 15 CR EE 8.EE.2.B.6 Determine the equation of a line and explain how to find the slope and y-intercept. 3 26% 35% -9 16 SR FN 8.F.1.A.3 Determine which equation is linear. 1 51% 48% 3 17 SR GE 8.G.1.A.4 Identify which set of two-dimensional figures illustrates a given sequence of transformations. 2 61% 59% 2 18 SR SP 8.SP.1.A.2 Determine which scatterplot best represents a line of best fit in a real-world context. 1 77% 77% 0 19 SR FN 8.F.2.B.5 Determine which statement best describes a given graph qualitatively. 1 55% 59% -4 20 SA EE 8.EE.2.B.5 Determine and compare two rates of change in a given real-world context. 1 50% 56% -6 21 SR FN 8.F.1.A.1 Determine which ordered pair would make the relationship shown in a table not a function. 1 47% 50% -3 22 SR GE 8.G.1.A.2 Determine the sequence of transformations on a given triangle and select the statement that best describes the congruency between the triangle and its image. 2 63% 65% -2 23 SR FN 8.F.1.A.2 Determine which equation has the same rate of change as a given function that is shown graphically. 1 35% 42% -7 24 SR EE 8.EE.2.B.5 Determine which graph represents a proportional relationship with a given unit rate. 1 65% 62% 3 25 SR GE 8.G.3.C.9 Solve a multi-step real-world problem involving volumes of cylinders and cones. 4 51% 55% -4 26 SR SP 8.SP.1.A.3 Determine which statement describes the slope of a graph in a given real-world context. 1 84% 86% -2 27 SR GE 8.G.1.A.5 Determine which angles must be congruent to a given angle when parallel lines are cut by a transversal. 1 77% 76% 1 28 CR EE 8.EE.3.C.8 Determine which graph shows the solutions to a given system of equations, and explain the possible number of solutions the given line can have. 3 22% 28% -6 29 SR GE 8.G.1.A.4 Determine the sequence of transformations on a given trapezoid, and select a trapezoid that is similar to the transformed trapezoid. 2 72% 77% -5 30 SA GE 8.G.1.A.1 Determine the measure of a given angle after rotation. 1 44% 45% -1 31 SR EE 8.EE.2.B.6 Determine which statement best compares the slopes of three given lines on a coordinate plane. 1 68% 69% -1 32 SA SP 8.SP.1.A.4 Complete a two-way table to solve a real-world problem. 1 60% 68% -8 33 SA GE 8.G.2.B.8 Apply Pythagorean Theorem to determine distance between two vertices of a rectangle shown on a coordinate plane. 1 29% 42% -13 34 CR FN 8.F.2.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 34% 47% -13