Algebra

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M5A1.

Students will represent and interpret the relationships between quantities algebraically.

a. Use variables, such as n or x, for unknown quantities in algebraic expressions.

Introduction to algebra - addition/subtraction
x + 3 = 9
Introduction to algebra - multiplication/division
3x = 9

c. Determine that a formula will be reliable regardless of the type of number (whole numbers or decimal fractions) substituted for the variable.

Function Machine

Functions

What is a function? - lesson

b. Investigate simple algebraic expressions by substituting numbers for the unknown.

Algebra - substitution