# Narragansett

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

### Number of Students Included: 105     Mode: Online

 Narragansett - GRADE 08 MATHEMATICS ITEM INFORMATION PERCENT OF DISTRICT'S POSSIBLE POINTS ITEM TYPE REPORTING CATEGORY STANDARD ITEM DESC POSSIBLE POINTS NARRAGANSETT 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 52% 41% 11 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 35% 36% -1 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 74% 77% -3 5 SR NS 8.NS.1.A.1 Identify the number that is irrational. 1 24% 29% -5 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 88% 86% 2 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 43% 46% -3 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 59% 59% 0 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 76% 73% 3 12 SA EE 8.EE.3.C.7 Find the value of the unknown variable in a given equation. 1 39% 45% -6 13 SR FN 8.F.2.B.5 Determine which graph represents a function that was described qualitatively. 1 74% 76% -2 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 47% 52% -5 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 45% 48% -3 17 SR GE 8.G.1.A.4 Identify which set of two-dimensional figures illustrates a given sequence of transformations. 2 65% 59% 6 18 SR SP 8.SP.1.A.2 Determine which scatterplot best represents a line of best fit in a real-world context. 1 86% 77% 9 19 SR FN 8.F.2.B.5 Determine which statement best describes a given graph qualitatively. 1 52% 59% -7 20 SA EE 8.EE.2.B.5 Determine and compare two rates of change in a given real-world context. 1 57% 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 60% 50% 10 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 72% 65% 7 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 37% 42% -5 24 SR EE 8.EE.2.B.5 Determine which graph represents a proportional relationship with a given unit rate. 1 72% 62% 10 25 SR GE 8.G.3.C.9 Solve a multi-step real-world problem involving volumes of cylinders and cones. 4 54% 55% -1 26 SR SP 8.SP.1.A.3 Determine which statement describes the slope of a graph in a given real-world context. 1 88% 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 76% 76% 0 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 26% 28% -2 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 84% 77% 7 30 SA GE 8.G.1.A.1 Determine the measure of a given angle after rotation. 1 52% 45% 7 31 SR EE 8.EE.2.B.6 Determine which statement best compares the slopes of three given lines on a coordinate plane. 1 70% 69% 1 32 SA SP 8.SP.1.A.4 Complete a two-way table to solve a real-world problem. 1 64% 68% -4 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 32% 42% -10 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 41% 47% -6