1

The student will demonstrate an understanding of numbers, operations, and quantitative reasoning.

(8.1)

Number, operation, and quantitative reasoning.  The student understands that different forms of numbers are appropriate for different situations.  The student is expected to

(A)

compare and order rational numbers in various forms including integers, percents, and positive and negative fractions and decimals;

(B) 

select and use appropriate forms of rational numbers to solve real-life problems including those involving proportional relationships;

(C)

approximate mentally [and with calculators] the value of irrational numbers as they arise from problem situations (            ); and

(D)

express numbers in scientific notation, including negative exponents, in appropriate problem situations [using a calculator].

(8.2)

Number, operation, and quantitative reasoning.  The student selects and uses appropriate operations to solve problems and justify solutions.  The student is expected to

(A)

select and use appropriate operations to solve problems and justify the selections;

(B) 

add, subtract, multiply, and divide rational numbers in problem situations;

(C)

evaluate a solution for reasonableness; and

(D)

use multiplication by a constant factor (unit rate) to represent proportional relationships; for example, the arm span of a gibbon is about 1.4 times its height, a = 1.4h.