Expressions & EquationsVocabulary, the properties, combining like terms and the balance rule.6th GradeANATOMY OF AN EXPRESSION7x² + 3x − 5coefficientvariableconstantThree terms, separated by + and −. A term is a number, a variable, or both multiplied.THE PROPERTIESCommutativeorder does not mattera + b = b + a · ab = baAssociativegrouping does not matter(a+b)+c = a+(b+c)Distributiveshare the multiplier outa(b + c) = ab + acIdentityleaves it unchangeda + 0 = a · a × 1 = aInverseundoes ita + (−a) = 0 · a × 1/a = 1COMBINING LIKE TERMS5x + 3y − 2x + 7 + y = 3x + 4y + 7Like terms have the same variable to the same power. 3x and 3x² are not alike.Add the coefficients only. The variable part never changes.EVALUATINGSubstitute first, then follow order of operations. If x = −3, then 2x² = 2(9) = 18, not −18.Expressions & Equationslearnposters.com
Expressions & Equations — printable math wall chart from LearnPosters. Free vector PDF, US Letter and A4.

Questions about the Expressions & Equations poster

Who is the Expressions & Equations poster for?
Expressions & 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 Expressions & Equations poster?
The summary of the five algebra posters in this set. A wall chart earns its place by being glanceable from where the work is happening, so Expressions & Equations belongs on the wall where that math work actually happens, within glancing distance, rather than filed away.
What other posters go with Expressions & Equations?
Absolute Value, Adding Integers and Algebra Vocabulary sit alongside Expressions & 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.Absolute ValueAdding IntegersAlgebra Vocabulary
Is the Expressions & Equations poster free to download and print?
Yes. Expressions & 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 Expressions & Equations poster print at?
Expressions & 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 Expressions & Equations loses nothing.Printing guide

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