Georgetown - GRADE 08 MATHEMATICS |

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

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

1 | SR | NSEE | 8.EE.A.3 | Convert a number in scientific notation to standard notation. | | 1 | 69% | 72% | -3 |

2 | SR | NSEE | 8.NS.A.2 | Determine the approximate location of an irrational number on a number line. | | 1 | 61% | 49% | 12 |

3 | SR | NSEE | 8.EE.A.2 | Evaluate square roots of small perfect squares and cube roots of small perfect cubes. | | 1 | 41% | 44% | -3 |

4 | CR | SP | 8.SP.A.3 | Interpret the meanings of the parts of an equation that represents a real-world context and use the equation to solve a real-world problem. | | 4 | 25% | 30% | -5 |

5 | SR | NSEE | 8.NS.A.1 | Determine a decimal equivalent of a given fraction. | | 1 | 44% | 40% | 4 |

6 | SR | NSEE | 8.EE.C.8 | Determine which given system of equations has no solution. | | 1 | 43% | 42% | 1 |

7 | SR | GE | 8.G.A.1 | Compare the properties of figures graphed on a coordinate plane after various transformations. | | 2 | 63% | 58% | 5 |

8 | SR | FN | 8.F.B.4 | Determine the rate of change and the initial value of a function from data represented in a table. | | 1 | 21% | 43% | -22 |

9 | SA | NSEE | 8.EE.B.5 | Determine and compare two rates of change in a given real-world context. | | 1 | 58% | 48% | 10 |

10 | SR | NSEE | 8.EE.A.1 | Determine which expression with an exponent is equivalent to a given expression featuring multiplication of two numbers with the same base but different exponents. | | 1 | 59% | 47% | 12 |

11 | SA | NSEE | 8.EE.B.5 | Graph a proportional relationship based on a real-world context. | | 1 | 72% | 69% | 3 |

12 | CR | GE | 8.G.A.5 | Use facts about the angle sum of triangles to calculate angle measures and determine whether two triangles are similar. | | 4 | 28% | 31% | -3 |

13 | SR | FN | 8.F.B.5 | Determine where the graph of a function is increasing or decreasing. | | 1 | 79% | 71% | 8 |

14 | SR | GE | 8.G.B.6 | Determine the relationship between the areas of three squares whose sides form a right triangle. | | 1 | 71% | 73% | -2 |

15 | SR | GE | 8.G.C.9 | Find the volume of a cone given its diameter and height. | | 1 | 41% | 54% | -13 |

16 | SR | FN | 8.F.A.1 | Determine which graph shows a relationship that is not a function. | | 1 | 43% | 54% | -11 |

17 | SR | NSEE | 8.EE.B.6 | Use similar triangles to compare the slope of two line segments on the same line. | | 1 | 53% | 49% | 4 |

18 | SR | FN | 8.F.A.1 | Determine if the values in a table represent a function after adding an ordered pair to the table. | | 1 | 65% | 58% | 7 |

19 | SR | FN | 8.F.A.3 | Determine which graph represents a linear function. | | 1 | 44% | 40% | 4 |

20 | SR | GE | 8.G.A.2 | Determine which transformation of a shape results in a given image. | | 1 | 72% | 71% | 1 |

21 | SR | FN | 8.F.B.4 | Determine the rate of change and the initial value of a function from the graph of the line that represents the function. | | 1 | 60% | 66% | -6 |

22 | SR | GE | 8.G.A.1 | Determine the effects of a rotation on the angles and sides of a triangle. | | 1 | 68% | 69% | -1 |

23 | CR | FN | 8.F.A.2 | Determine the initial values, rates, equations and solutions of linear relationships represented in different ways. | | 4 | 24% | 32% | -8 |

24 | SR | NSEE | 8.NS.A.2 | Compare two irrational numbers and one rational number by ordering them from least to greatest. | | 1 | 34% | 39% | -5 |

25 | SR | FN | 8.F.A.3 | Determine which statement about a linear equation is true. | | 1 | 79% | 67% | 12 |

26 | SR | NSEE | 8.EE.C.7 | Determine the number of solutions for a linear equation with one variable. | | 1 | 55% | 57% | -2 |

27 | SR | NSEE | 8.NS.A.1 | Identify an irrational number from a list of numbers. | | 1 | 75% | 71% | 4 |

28 | SR | NSEE | 8.EE.C.8 | Determine the coordinates of the solution of a system of equations. | | 1 | 54% | 52% | 2 |

29 | SA | NSEE | 8.EE.A.3 | Given two quantities, each expressed as a single digit multiplied by an integer power of ten, determine how many times as much one quantity is than the other. | | 1 | 39% | 37% | 2 |

30 | SA | NSEE | 8.EE.C.7 | Solve a linear equation by collecting like terms. | | 1 | 61% | 52% | 9 |

31 | SR | GE | 8.G.A.5 | Determine which angles are congruent when two parallel lines are intersected by a transversal. | | 1 | 77% | 68% | 9 |

32 | SR | SP | 8.SP.A.2 | Justify why a line drawn through data on a scatter plot is unsuitable as a line of best fit. | | 1 | 58% | 62% | -4 |

33 | SR | GE | 8.G.A.3 | Given a sequence of transformations, determine the coordinates of the image of a given point. | | 1 | 43% | 51% | -8 |

34 | SR | GE | 8.G.A.4 | Identify transformations which, when performed on a triangle, will result in a congruent figure. | | 1 | 27% | 43% | -16 |

35 | SA | GE | 8.G.B.7 | Determine an unknown side length of a right triangle using the Pythagorean Theorem. | | 1 | 46% | 47% | -1 |

36 | SR | GE | 8.G.A.3 | Determine the coordinates of a point in a figure on a coordinate plane after a reflection. | | 1 | 76% | 64% | 12 |

37 | CR | NSEE | 8.EE.B.5 | Graph a proportional relationship, interpreting the unit rate as the slope of the graph, and then compare that proportional relationship to another proportional relationship represented in a different way. | | 4 | 70% | 61% | 9 |

38 | SR | GE | 8.G.A.2 | Identify a transformation that would not result in a congruent figure. | | 1 | 49% | 57% | -8 |

39 | SA | NSEE | 8.EE.A.1 | Use and apply properties of integer exponents to simplify a numerical expression. | | 2 | 26% | 30% | -4 |

40 | SA | SP | 8.SP.A.4 | Use relative frequencies from a two-way frequency table to solve a real-world problem. | | 1 | 48% | 48% | 0 |