**Colorado Academic Education Standards (CAS)**. Simple algebra is the term used when using expressions with letters or variables that represent numbers. Read More...

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Simple AlgebraWorksheet/Answer key

Simple AlgebraWorksheet/Answer key

Simple Algebra

CO.6.2. Patterns, Functions, and Algebraic Structures

6.2.1. Algebraic expressions can be used to generalize properties of arithmetic. Students can:

6.2.1.b. Write, read, and evaluate expressions in which letters stand for numbers. (CCSS: 6.EE.2)

6.2.1.b.i. Write expressions that record operations with numbers and with letters standing for numbers. (CCSS: 6.EE.2a)

6.2.1.b.ii. Identify parts of an expression using mathematical terms (sum, term, product, factor, quotient, coefficient) and describe one or more parts of an expression as a single entity. (CCSS: 6.EE.2b)

6.2.1.b.iii. Evaluate expressions at specific values of their variables including expressions that arise from formulas used in real-world problems. (CCSS: 6.EE.2c)

6.2.1.b.iv. Perform arithmetic operations, including those involving whole-number exponents, in the conventional order when there are no parentheses to specify a particular order (Order of Operations). (CCSS: 6.EE.2c)

6.2.1.c. Apply the properties of operations to generate equivalent expressions. (CCSS: 6.EE.3)

6.2.2. Variables are used to represent unknown quantities within equations and inequalities. Students can:

6.2.2.c. Use variables to represent numbers and write expressions when solving a real-world or mathematical problem. (CCSS: 6.EE.6)

6.2.2.c.i. Recognize that a variable can represent an unknown number, or, depending on the purpose at hand, any number in a specified set. (CCSS: 6.EE.6)

6.2.2.d. Solve real-world and mathematical problems by writing and solving equations of the form x + p = q and px = q for cases in which p, q and x are all nonnegative rational numbers. (CCSS: 6.EE.7)

6.2.2.g. Represent and analyze quantitative relationships between dependent and independent variables. (CCSS: 6.EE)

6.2.2.g.i. Use variables to represent two quantities in a real-world problem that change in relationship to one another. (CCSS: 6.EE.9)

6.2.2.g.ii. Write an equation to express one quantity, thought of as the dependent variable, in terms of the other quantity, thought of as the independent variable. (CCSS: 6.EE.9)

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