# Billerica

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

### Number of Students Included: 394     Mode: Online

 Billerica - GRADE 08 MATHEMATICS ITEM INFORMATION PERCENT OF DISTRICT'S POSSIBLE POINTS ITEM TYPE REPORTING CATEGORY STANDARD ITEM DESC POSSIBLE POINTS BILLERICA 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 35% 41% -6 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 32% 36% -4 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 54% 59% -5 4 SR GE 8.G.2.B.7 Apply Pythagorean Theorem to determine unknown lengths in a real-world context. 1 79% 77% 2 5 SR NS 8.NS.1.A.1 Identify the number that is irrational. 1 21% 29% -8 6 SR EE 8.EE.1.A.2 Find the value of x in a given equation of the form x squared = p. 1 86% 83% 3 7 SR SP 8.SP.1.A.4 Interpret a given two-way table to solve a real-world problem. 1 86% 86% 0 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 42% 46% -4 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 73% 76% -3 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 58% 59% -1 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 51% 45% 6 13 SR FN 8.F.2.B.5 Determine which graph represents a function that was described qualitatively. 1 80% 76% 4 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 48% 52% -4 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 36% 35% 1 16 SR FN 8.F.1.A.3 Determine which equation is linear. 1 54% 48% 6 17 SR GE 8.G.1.A.4 Identify which set of two-dimensional figures illustrates a given sequence of transformations. 2 58% 59% -1 18 SR SP 8.SP.1.A.2 Determine which scatterplot best represents a line of best fit in a real-world context. 1 63% 77% -14 19 SR FN 8.F.2.B.5 Determine which statement best describes a given graph qualitatively. 1 61% 59% 2 20 SA EE 8.EE.2.B.5 Determine and compare two rates of change in a given real-world context. 1 55% 56% -1 21 SR FN 8.F.1.A.1 Determine which ordered pair would make the relationship shown in a table not a function. 1 43% 50% -7 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 61% 65% -4 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 38% 42% -4 24 SR EE 8.EE.2.B.5 Determine which graph represents a proportional relationship with a given unit rate. 1 56% 62% -6 25 SR GE 8.G.3.C.9 Solve a multi-step real-world problem involving volumes of cylinders and cones. 4 55% 55% 0 26 SR SP 8.SP.1.A.3 Determine which statement describes the slope of a graph in a given real-world context. 1 90% 86% 4 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 80% 76% 4 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 74% 77% -3 30 SA GE 8.G.1.A.1 Determine the measure of a given angle after rotation. 1 35% 45% -10 31 SR EE 8.EE.2.B.6 Determine which statement best compares the slopes of three given lines on a coordinate plane. 1 71% 69% 2 32 SA SP 8.SP.1.A.4 Complete a two-way table to solve a real-world problem. 1 65% 68% -3 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 33% 42% -9 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 45% 47% -2