What’s on the Operations with Rational Numbers poster
The rule, 4 worked examples.
- Sign rules for rationals are identical to those for integers. The extra work is conve…
- −3/4 = −0.75
- −3/4 + 1/2 = −1/4
- (−0.5) × (−2.4) = 1.2
- 3/8 as a decimal = 0.375
- −2/5 ÷ 4 = −1/10
A rational number is anything that can be written as a fraction of two integers. That includes every terminating and repeating decimal.
Questions about the Operations with Rational Numbers poster
- What’s on the Operations with Rational Numbers poster?
- The rule, 4 worked examples. Sign rules for rationals are identical to those for integers. The extra work is conve…; −3/4 = −0.75; −3/4 + 1/2 = −1/4; (−0.5) × (−2.4) = 1.2; 3/8 as a decimal = 0.375; −2/5 ÷ 4 = −1/10. A rational number is anything that can be written as a fraction of two integers. That includes every terminating and repeating decimal.
- Who is the Operations with Rational Numbers poster for?
- Operations with Rational Numbers is filed under 7th Grade (ages 12–13), 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 Operations with Rational Numbers poster?
- Two steps, always: get them into the same form, then handle the sign. A wall chart earns its place by being glanceable from where the work is happening, so Operations with Rational Numbers belongs on the wall where that math work actually happens, within glancing distance, rather than filed away.
- What other posters go with Operations with Rational Numbers?
- Probability, Solving Proportions and Scale Drawings sit alongside Operations with Rational Numbers in the 7th Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.ProbabilitySolving ProportionsScale Drawings
- Is the Operations with Rational Numbers poster free to download and print?
- Yes. Operations with Rational Numbers downloads as a free PDF with no account, no email and no watermark, like everything else in the 7th 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 Operations with Rational Numbers poster print at?
- Operations with Rational Numbers 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 Operations with Rational Numbers loses nothing.Printing guide
Related posters
Charts that sit alongside Operations with Rational Numbers on the same wall.
Browse every 7th Grade poster, or start from the full catalogue.