Introduces variables and variable expressions.
Grade 6 Material from CK-12Preview Assign
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Use variables to represent numbers and write expressions when solving a real? world or mathematical problem; understand that a variable can represent an unknown number, or, depending on the purpose at hand, any number in a specified set.
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