What’s on the Which Operation? poster
A 4-row table: What is happening · Operation · Signal.
Do not hunt for key words — they lie. Ask what is happening to the amount.
- Joining two amounts — add — altogether, in total, both
- Taking some away — subtract — left, fewer, how many more
- Equal groups joining — multiply — each, per, groups of
- Splitting into equal parts — divide — shared, each gets, how many groups
'How many more' means subtract, even though 'more' sounds like adding. Key words lie.
Questions about the Which Operation? poster
- What’s on the Which Operation? poster?
- A 4-row table: What is happening · Operation · Signal. Do not hunt for key words — they lie. Ask what is happening to the amount. Joining two amounts — add — altogether, in total, both; Taking some away — subtract — left, fewer, how many more; Equal groups joining — multiply — each, per, groups of; Splitting into equal parts — divide — shared, each gets, how many groups. 'How many more' means subtract, even though 'more' sounds like adding. Key words lie.
- Who is the Which Operation? poster for?
- Which Operation? is filed under 3rd Grade (ages 8–9), 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 Which Operation? poster?
- Read the problem, then ask the four questions before touching a pencil. A wall chart earns its place by being glanceable from where the work is happening, so Which Operation? belongs on the wall where that math work actually happens, within glancing distance, rather than filed away.
- What other posters go with Which Operation??
- Right, Acute, Obtuse, Area and Perimeter and Division Is Sharing sit alongside Which Operation? in the 3rd Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Right, Acute, ObtuseArea and PerimeterDivision Is Sharing
- Is the Which Operation? poster free to download and print?
- Yes. Which Operation? downloads as a free PDF with no account, no email and no watermark, like everything else in the 3rd 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 Which Operation? poster print at?
- Which Operation? 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 Which Operation? loses nothing.Printing guide
Related posters
Charts that sit alongside Which Operation? on the same wall.
Browse every 3rd Grade poster, or start from the full catalogue.