# Chelmsford

Districts Schools ## 2018 Item by Item Results for GRADE 07 MATHEMATICS

### Number of Students Included: 368     Mode: Online

 Chelmsford - GRADE 07 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 RP 7.RP.A.02 Determine which equation represents the proportional relationship in a given context. 1 77% 69% 8 2 SA NS 7.NS.A.01 Plot the solution to an equation on a number line. 1 66% 59% 7 3 SR RP 7.RP.A.01 Determine the unit rate in a real-world problem. 1 67% 65% 2 4 SR SP 7.SP.A.01 Determine which sampling method would provide a random sample in a given context. 1 43% 31% 12 5 CR NS 7.NS.A.03 Use operations on integers and rational numbers to solve a real-world problem. 4 59% 51% 8 6 SR SP 7.SP.C.05 Determine the likelihoods of events. 1 69% 51% 18 7 SA NS 7.NS.A.01 Represent the sum of integers on a number line. 1 76% 67% 9 8 SR NS 7.NS.A.02 Convert a rational number to a decimal. 1 73% 52% 21 9 SR EE 7.EE.A.02 Rewrite a given expression in a real-world context. 1 58% 52% 6 10 SA NS 7.NS.A.03 Use operations on integers to solve a real-world problem. 1 88% 78% 10 11 SR GE 7.G.A.03 Determine which two-dimensional figure will not result from slicing a given three-dimensional figure. 1 68% 64% 4 12 CR SP 7.SP.C.08 Find the sample space, list possible outcomes, and determine the probability of a compound event. 4 53% 35% 18 13 SR EE 7.EE.B.04 Extend a pattern to find a number in the pattern. 1 51% 45% 6 14 SA RP 7.RP.A.02 Determine the unit rate in a real-world problem, given a graph. 1 61% 57% 4 15 SA GE 7.G.B.05 Solve a multi-step problem using facts about supplementary and complementary angles. 2 54% 45% 9 16 SR NS 7.NS.A.02 Divide rational numbers to solve a mathematical problem. 1 57% 46% 11 17 SA SP 7.SP.C.07 Determine the probability of an event and give the probability as a fraction. 1 90% 80% 10 18 SR RP 7.RP.A.02 Determine which table represents a proportional relationship between two quantities. 1 39% 38% 1 19 SA NS 7.NS.A.03 Use operations on rational numbers to solve a real-world problem. 1 50% 43% 7 20 SR NS 7.NS.A.02 Determine which expression is equivalent to a given expression. 1 67% 48% 19 21 SR EE 7.EE.B.04 Use a simple equation to solve a real-world problem. 1 82% 75% 7 22 SR EE 7.EE.B.03 Solve a multi-step, real-world problem using operations on rational numbers. 1 61% 52% 9 23 SR GE 7.G.B.05 Solve a multi-step problem using facts about supplementary angles and triangles. 1 38% 31% 7 24 SR EE 7.EE.A.01 Determine which expressions are equivalent to given expressions. 1 26% 20% 6 25 CR RP 7.RP.A.03 Solve multi-step, real-world problems involving unit rates. 4 54% 42% 12 26 SR GE 7.G.B.04 Determine the area of a circle when given the circumference of the circle. 1 53% 45% 8 27 SA EE 7.EE.A.01 Factor a given expression. 1 20% 14% 6 28 SR SP 7.SP.B.04 Determine the possible mean and mean absolute deviation for two sets of data in a real-world context. 1 62% 53% 9 29 SR RP 7.RP.A.01 Determine how to calculate the unit rate in a real-world problem. 1 63% 57% 6 30 SR SP 7.SP.A.02 Use data from random samples to draw an inference about a population. 1 46% 32% 14 31 SR GE 7.G.B.06 Solve a mathematical problem involving the volume of a composite three-dimensional shape. 1 38% 31% 7 32 CR EE 7.EE.B.03 Use properties of rational numbers to solve multi-step, real-world problems involving money and percents. 4 53% 40% 13 33 SR GE 7.G.A.01 Solve a problem by using a scale drawing to determine the actual area. 1 35% 33% 2 34 SA SP 7.SP.C.08 Find the probability of a simple event. 1 86% 72% 14 35 SA EE 7.EE.B.04 Given a real-world situation, determine which equation can be used to solve a problem; and solve a different problem by reasoning about the quantities. 2 58% 50% 8 36 SR RP 7.RP.A.03 Determine and compare percent decreases in a real-world problem. 1 45% 32% 13 37 SA GE 7.G.A.02 Given one vertex of a triangle, and certain conditions about the triangle, determine the other two vertices. 1 39% 26% 13 38 SR SP 7.SP.B.03 Compare the medians of two sets of data in a real-world context. 1 55% 37% 18 39 SA GE 7.G.B.06 Solve a mathematical problem involving the surface area of a composite three-dimensional shape. 1 20% 10% 10 40 SR EE 7.EE.B.04 Represent a real-world context with an inequality. 1 66% 61% 5

Notes: Results in grades 4, 5, 7 and 8 in 2018 are not generated for paper-based testing because the majority of students participated in computer-based testing.