📘 Part of a Structured Algebra Learning System.
Designed for Grades 6–8 students learning algebra step-by-step.
When a variable is written alone, it has a hidden number.
That number is 1.
The 1 is not shown, but it is always there.
The 1 is there without being written.
x
x means 1 x x.
Practice this concept with a worksheet.
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