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May 24th









May 24th

Algebra District Benchmark 2009-2010 Blueprint

Algebra I Star Bmk 1 Bmk 2 Bmk 3 Bmk 4
Number Properties , Operations and Linear Equations 17 15 11 14 12
1.1 Students use properties of numbers to demonstrate whether assertions are true or false. 0.5        
2.0* Students understand and use such operations as taking the opposite, finding the reciprocal, taking a root, and
raising to a fractional power . They understand and use the rules of exponents.
4     5 4
3.0 Students solve equations and inequalities involving absolute values. 1 3 1 1 1
4.0* Students simplify expressions prior to solving linear equations and inequalities in one variable , such as 3(2x -5)
+ 4(x -2) = 12.
3 6 5 3 3
5.0* Students solve multistep problems, including word problems, involving linear equations and linear inequalities in
one variable and provide justification for each step.
6 6 5 5 4
24.1 Students explain the difference between inductive & deductive reasoning and identify & provide examples of
each.
0.33        
24.2 Students identify the hypothesis and conclusion in logical deduction. 0.33        
24.3 Students use counterexamples to show that an assertion is false and recognize that a single counterexample is
sufficient to refute an assertion.
0.34        
25.1 Students use properties of numbers to construct simple, valid arguments (direct and indirect) for, or formulate
counterexamples to, claimed assertions.
0.5        
25.2 Students judge the validity of an argument according to whether the properties of the real number system and the
order
of operations have been applied correctly at each step.
0.5        
25.3 Given a specific algebraic statement involving linear, quadratic, or absolute value expressions or equations or
inequalities, students determine whether the statement is true sometimes, always, or never.
0.5        
Total Items 17 15 11 14 12
Percent 26% 100% 44% 33% 24%
           
Graphing and Systems of Linear Equations 14 0 14 16 12
6.0* Students graph a linear equation and compute the x - and y - intercepts (e.g., graph 2x + 6y = 4). They are also
able to sketch the region defined by linear inequality (e.g., they sketch the region defined by 2x + 6y < 4). NO Inq on
Bmk 2
4   4 5 3
7.0* Students verify that a point lies on a line, given an equation of the line. Students are able to derive linear
equations using the point- slope formula .
4   4 3 4
8.0 Students understand the concepts of parallel lines and perpendicular lines and how those slopes are related.
Students are able to find the equation of a line perpendicular to a given line that passes through a given point.
1   2 3 2
9.0* Students solve a system of two linear equations in two variables algebraically and are able to interpret the answer
graphically. Students are able to solve a system of two linear inequalities in two variables and to sketch the solution
sets.
5   4 5 3
Total Items 14 0 14 16 12
Percent 22% 0% 56% 37% 24%
           
Quadractics and Polynomials 21 0 0 13 16
10.0* Students add , subtract, multiply, and divide monomials and polynomials . Students solve multistep problems,
including word problems, by using these techniques.
4     5 4
11.0 Students apply basic factoring techniques to second-and simple third-degree polynomials. These techniques
include finding a common factor for all terms in a polynomial, recognizing the difference of two squares, and
recognizing perfect squares of binomials .
2     5 3
14.0* Students solve a quadratic equation by factoring or completing the square. No completing Sq on Bmk 3 3     3 3
19.0* Students know the quadratic formula and are familiar with its proof by completing the square. 2        
20.0* Students use the quadratic formula to find the roots of a second-degree polynomial and to solve quadratic
equations.
3       2
22.0 Students use the quadratic formula or factoring techniques or both to determine whether the graph of a quadratic
function will intersect the x- axis in zero , one, or two points.
1       1
21.0* Students graph quadratic functions and know that their roots are the x -intercepts. 3       2
23.0* Students apply quadratic equations to physical problems, such as the motion of an object under the force of
gravity.
3       1
Total Items 21 0 0 13 16
Percent 32% 0% 0% 30% 32%
           
Functions and Rational Expressions 13 0 0 0 10
12.0* Students simplify fractions with polynomials in the numerator and denominator by factoring both and reducing
them to the lowest terms.
3       4
13.0* Students add, subtract, multiply, and divide rational expressions and functions. Students solve both
computationally and conceptually challenging problems by using these techniques.
4       3
15.0* Students apply algebraic techniques to solve rate problems, work problems, and percent mixture problems. 4       3
16.0 Students understand the concepts of a relation and a function, determine whether a given relation defines a
function, and give pertinent information about given relations and functions.
0.5        
17.0 Students determine the domain of independent variables and the range of dependent variables defined by a
graph, a set of ordered pairs , or a symbolic expression.
1        
18.0 Students determine whether a relation defined by a graph, a set of ordered pairs, or a symbolic expression is a
function and justify the conclusion.
0.5        
Total Items 13 0 0 0 10
Percent 20% 0% 0% 0% 20%
Total 65 15 25 43 50
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