Bedford - GRADE 08 MATHEMATICS |

ITEM INFORMATION | | PERCENT OF DISTRICT'S POSSIBLE POINTS |

ITEM | TYPE | REPORTING CATEGORY | STANDARD | ITEM DESC | | POSSIBLE POINTS | BEDFORD | STATE | DISTRICT-STATE DIFFERENCE |

1 | SR | NSEE | 8.NS.A.2 | Determine between which pair of integers a square root of a given number lies. | | 1 | 85% | 63% | 22 |

2 | SR | NSEE | 8.EE.C.8 | Determine the coordinates of the solution of a system of equations. | | 1 | 73% | 54% | 19 |

3 | SR | FN | 8.F.A.3 | Determine which statement about a linear equation is true. | | 1 | 83% | 67% | 16 |

4 | SR | GE | 8.G.B.6 | Given a right triangle, identify an equation that relates its side lengths. | | 1 | 86% | 75% | 11 |

5 | CR | SP | 8.SP.A.1 | Given a set of data in a table, create a scatterplot, determine if there are outliers in the data, describe the association represented by the data, and make a prediction based on the data. | | 4 | 84% | 67% | 17 |

6 | SR | NSEE | 8.EE.A.3 | Convert a number in scientific notation to standard notation. | | 1 | 78% | 65% | 13 |

7 | SR | FN | 8.F.A.2 | Determine which equation of a line has a graph with the same y-intercept as the line represented by a table of values. | | 1 | 70% | 57% | 13 |

8 | SA | NSEE | 8.EE.A.2 | Complete the first two steps of the correct solution to find the value of x in an equation in the form x^3 = p. | | 1 | 71% | 41% | 30 |

9 | SR | NSEE | 8.NS.A.1 | Identify numbers as rational or irrational. | | 1 | 82% | 57% | 25 |

10 | SR | NSEE | 8.EE.B.5 | Determine which graph represents a proportional relationship in a given context. | | 1 | 86% | 58% | 28 |

11 | SA | NSEE | 8.NS.A.2 | Use a number line to show the approximate value of an irrational number. | | 1 | 61% | 35% | 26 |

12 | CR | NSEE | 8.EE.A.4 | Compare, multiply, add, and divide numbers expressed in scientific notation, using a real-world context. | | 4 | 52% | 37% | 15 |

13 | SR | NSEE | 8.EE.B.6 | Determine which equation represents a line graphed on a coordinate plane. | | 1 | 82% | 60% | 22 |

14 | SA | GE | 8.G.A.1 | Graph the image of a triangle after a reflection and compare the sides, angles, areas, and perimeters of the triangle and its image. | | 2 | 70% | 60% | 10 |

15 | SA | NSEE | 8.EE.A.2 | Evaluate the square root of a small perfect square in a real-world context. | | 1 | 89% | 78% | 11 |

16 | SR | FN | 8.F.A.1 | Identify which tables contain values that represent functions. | | 1 | 72% | 46% | 26 |

17 | SA | NSEE | 8.NS.A.1 | Convert a fraction to a decimal. | | 1 | 38% | 19% | 19 |

18 | SR | NSEE | 8.EE.C.7 | Solve a linear equation using the distributive property and combining like terms. | | 1 | 72% | 51% | 21 |

19 | SR | GE | 8.G.A.4 | Identify a transformation that will result in an image that is similar, but not congruent, to the original figure. | | 1 | 78% | 62% | 16 |

20 | SR | NSEE | 8.EE.A.3 | Convert the product of two numbers expressed in standard notation into the form of a single digit multiplied by an integer power of 10. | | 1 | 60% | 45% | 15 |

21 | SR | SP | 8.SP.A.3 | Determine which statement describes the slope of a graph in a given real-world context. | | 1 | 94% | 82% | 12 |

22 | SR | GE | 8.G.B.7 | Determine the length of the hypotenuse, given a right triangle in a real-world scenario. | | 1 | 82% | 72% | 10 |

23 | SR | FN | 8.F.A.2 | Compare functions represented algebraically and in a table and interpret each function's y-intercept. | | 1 | 81% | 63% | 18 |

24 | SR | NSEE | 8.EE.B.5 | Determine which equation represents a proportional relationship in a real-world context. | | 1 | 87% | 68% | 19 |

25 | CR | FN | 8.F.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 | 69% | 48% | 21 |

26 | SR | SP | 8.SP.A.4 | Determine a percentage to compare data in a two-way table. | | 1 | 76% | 59% | 17 |

27 | SA | GE | 8.G.C.9 | Order three-dimensional shapes (cylinder, sphere and cone) according to their volumes. | | 1 | 73% | 54% | 19 |

28 | SR | NSEE | 8.EE.C.7 | Determine the number of solutions for two different one-variable equations. | | 1 | 53% | 39% | 14 |

29 | SR | FN | 8.F.A.1 | Identify which table contains values that represent y as a function of x. | | 1 | 70% | 51% | 19 |

30 | SA | GE | 8.G.A.3 | Graph the image of a triangle on a coordinate plane after a sequence of transformations. | | 1 | 60% | 50% | 10 |

31 | SR | NSEE | 8.EE.C.8 | Determine the x-value in the solution of a linear system of equations. | | 1 | 63% | 42% | 21 |

32 | CR | GE | 8.G.A.5 | Determine the measures of angles shown in a diagram consisting of parallel lines intersected by a transversal. | | 4 | 54% | 33% | 21 |

33 | SR | FN | 8.F.B.5 | Given a graph of a function, determine which statements about the function are true. | | 1 | 60% | 42% | 18 |

34 | SA | NSEE | 8.EE.A.1 | Use and apply properties of integer exponents to simplify a numerical expression and to identify an expression that is equivalent to a given expression. | | 2 | 55% | 33% | 22 |

35 | SR | SP | 8.SP.A.2 | Describe the direction and strength of a linear relationship, given a scatter plot and line of best fit. | | 1 | 88% | 63% | 25 |

36 | SR | GE | 8.G.A.3 | Determine the coordinates of a point on a figure after a dilation. | | 1 | 41% | 43% | -2 |

37 | SR | GE | 8.G.A.2 | Determine the sequence of transformations that can be used to demonstrate the congruence of two triangles drawn on the coordinate plane. | | 1 | 55% | 53% | 2 |

38 | SR | SP | 8.SP.A.4 | Use relative frequencies from a two-way frequency table to solve a real-world problem. | | 1 | 66% | 45% | 21 |

39 | SR | GE | 8.G.B.8 | Determine the distance between two points on a coordinate plane using the Pythagorean Theorem. | | 1 | 49% | 37% | 12 |

40 | SR | FN | 8.F.A.1 | Determine if a table contains values that represent y as a function of x and identify how that relationship is shown in the table. | | 1 | 56% | 33% | 23 |