One-Step EquationsDo the opposite operation, to both sides, and the letter is left alone.6th GradeTo solve, do the inverse operation to both sides.Addition undoes subtraction; multiplication undoesdivision.x + 7 = 12 → x = 12 − 7x + 7 = 12x = 5Subtract 7 from both sides.x − 4 = 9x = 13Add 4 to both sides.3x = 21x = 7Divide both sides by 3.x / 5 = 4x = 20Multiply both sides by 5.THE COMMON MISTAKE3x = 21 → x = 21 − 33x = 21 → x = 21 ÷ 33x means 3 times x, so the inverse is dividing, not subtracting.Always substitute your answer back into the original. It takes fiveseconds and catches everything.One-Step Equationslearnposters.com
One-Step Equations — printable math wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the One-Step Equations poster

The rule, 4 worked examples, and the mistake everyone makes.

Always substitute your answer back into the original. It takes five seconds and catches everything.

Questions about the One-Step Equations poster

What’s on the One-Step Equations poster?
The rule, 4 worked examples, and the mistake everyone makes. To solve, do the inverse operation to both sides. Addition undoes subtraction; multip…; x + 7 = 12 → x = 12 − 7; x + 7 = 12 = x = 5; x − 4 = 9 = x = 13; 3x = 21 = x = 7; x / 5 = 4 = x = 20; Common mistake: 3x = 21 → x = 21 − 3 → 3x = 21 → x = 21 ÷ 3. Always substitute your answer back into the original. It takes five seconds and catches everything.
Who is the One-Step Equations poster for?
One-Step Equations is filed under 6th Grade (ages 11–12), so it matches what that year asks a child to remember. It is equally useful to an older student revisiting math, and to the parent or teacher answering the question at the kitchen table.
When should you use the One-Step Equations poster?
Ask what is being done to x, then undo exactly that. A wall chart earns its place by being glanceable from where the work is happening, so One-Step Equations belongs on the wall where that math work actually happens, within glancing distance, rather than filed away.
What other posters go with One-Step Equations?
The Distributive Property, Inequalities and Combining Like Terms sit alongside One-Step Equations in the 6th Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.The Distributive PropertyInequalitiesCombining Like Terms
Is the One-Step Equations poster free to download and print?
Yes. One-Step Equations downloads as a free PDF with no account, no email and no watermark, like everything else in the 6th Grade set. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the One-Step Equations poster print at?
One-Step Equations is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of One-Step Equations loses nothing.Printing guide

Related posters

Charts that sit alongside One-Step Equations on the same wall.

Browse every 6th Grade poster, or start from the full catalogue.