What’s on the Fact Families poster
The rule, 4 worked examples, and the mistake everyone makes.
- Three numbers that belong together make two addition facts and two subtraction facts.
- 8 + 5 = 13
- 5 + 8 = 13
- 13 − 5 = 8
- 13 − 8 = 5
- Common mistake: 13 + 5 = 8 → 13 − 5 = 8
Learn families, not facts. It halves how much there is to remember.
Questions about the Fact Families poster
- What’s on the Fact Families poster?
- The rule, 4 worked examples, and the mistake everyone makes. Three numbers that belong together make two addition facts and two subtraction facts.; 8 + 5 = 13; 5 + 8 = 13; 13 − 5 = 8; 13 − 8 = 5; Common mistake: 13 + 5 = 8 → 13 − 5 = 8. Learn families, not facts. It halves how much there is to remember.
- Who is the Fact Families poster for?
- Fact Families is filed under 1st Grade (ages 6–7), 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 Fact Families poster?
- Cover any one corner. The other two tell you what it was. A wall chart earns its place by being glanceable from where the work is happening, so Fact Families belongs on the wall where that math work actually happens, within glancing distance, rather than filed away.
- What other posters go with Fact Families?
- 3D Shapes, Adding zero and Adding one sit alongside Fact Families in the 1st Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.3D ShapesAdding zeroAdding one
- Is the Fact Families poster free to download and print?
- Yes. Fact Families downloads as a free PDF with no account, no email and no watermark, like everything else in the 1st 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 Fact Families poster print at?
- Fact Families 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 Fact Families loses nothing.Printing guide
Related posters
Charts that sit alongside Fact Families on the same wall.
Browse every 1st Grade poster, or start from the full catalogue.