Math - 2018-19

A.1 - Algebraic Expressions

A.1  The student will

a)  represent verbal quantitative situations algebraically;

b)  evaluate algebraic expressions for given replacement values of the variables.


Adopted: 2016

BIG IDEAS

  • I can determine the total cost of a family trip to the movies when the number of people and the cost of tickets varies for each age group, and I can figure my total score on a video game where different tasks give different points.
  • I will always get the same result as everyone else when evaluating an expression by following the set of rules called order of operations.


UNDERSTANDING THE STANDARD

2016 VDOE Curriculum Framework - AI.1 Understanding

·  Mathematical modeling involves creating algebraic representations of quantitative practical situations.

·  The numerical value of an expression depends upon the values of the replacement set for the variables.

·  There are a variety of ways to compute the value of a numerical expression and evaluate an algebraic expression using order of operations.

·  The operations and the magnitude of the numbers in an expression affect the choice of an appropriate computational technique
(e.g., mental mathematics, calculator, paper and pencil).

ESSENTIALS

The student will use problem solving, mathematical communication, mathematical reasoning, connections, and representations to

·  A.1aTranslate between verbal quantitative situations and algebraic expressions and equations.

·  A.1aRepresent practical situations with algebraic expressions in a variety of representations (e.g., concrete, pictorial, symbolic, verbal).

·  A.1bEvaluate algebraic expressions, using the order of operations, which include absolute value, square roots, and cube roots for given replacement values to include rational numbers, without rationalizing the denominator. 


KEY VOCABULARY

verbal quantitative situations, algebraic expression, replacement set, rational number, expression, evaluate, absolute value, square root, cube root, modeling, numerical value, variable

2016 Word Wall Cards

Updated: Aug 23, 2018