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Math · 1st Grade
Fact Families
One triangle, four facts — how addition and subtraction are the same thing.
How to use it
Cover any one corner. The other two tell you what it was.
Free · print-ready PDF · US Letter and A4
- Grade
- 1st Grade
- Ages
- 6–7
- Subject
- Math
- Pages
- 1
The rest of the 1st Grade wall
49 more posters, all free to print.
Adding zeroEvery fact that adds 0, and the shortcut that makes them automatic.Adding oneEvery fact that adds 1, and the shortcut that makes them automatic.Adding twoEvery fact that adds 2, and the shortcut that makes them automatic.Adding threeEvery fact that adds 3, and the shortcut that makes them automatic.Adding fourEvery fact that adds 4, and the shortcut that makes them automatic.Adding fiveEvery fact that adds 5, and the shortcut that makes them automatic.Adding sixEvery fact that adds 6, and the shortcut that makes them automatic.Adding sevenEvery fact that adds 7, and the shortcut that makes them automatic.Adding eightEvery fact that adds 8, and the shortcut that makes them automatic.Adding nineEvery fact that adds 9, and the shortcut that makes them automatic.Adding tenEvery fact that adds 10, and the shortcut that makes them automatic.Short AThe short a sound, /ă/ as in cat, with six words to read.Long AThe long a sound — the letter simply says its own name.Short EThe short e sound, /ĕ/ as in bed, with six words to read.Long EThe long e sound — the letter simply says its own name.Short IThe short i sound, /ĭ/ as in pig, with six words to read.Long IThe long i sound — the letter simply says its own name.Short OThe short o sound, /ŏ/ as in dog, with six words to read.Long OThe long o sound — the letter simply says its own name.Short UThe short u sound, /ŭ/ as in bug, with six words to read.Long UThe long u sound — the letter simply says its own name.The SH SoundTwo letters that make one brand-new sound — one sound: shhh.The CH SoundTwo letters that make one brand-new sound — one sound: ch.The TH SoundTwo letters that make one brand-new sound — tongue between your teeth.The WH SoundTwo letters that make one brand-new sound — blow air out first.Hundred Chart1–100 with the tens shaded so patterns pop out.Number Line 0–20A big 0–20 line with hop arrows for adding and subtracting.3D ShapesSix solids with faces, edges and vertices counted.Telling TimeClock faces for o'clock and half past, with both hands labelled.1st Grade Sight WordsThe 41 first-grade high-frequency words in reading order.Parts of a PlantRoots, stem, leaves, flower — each with the job it does.Doubles FactsThe eleven facts worth memorising outright, because everything else leans on them.Number Bonds to 10Every pair that makes ten — the most useful set of facts in early maths.Odd and EvenThe pairing test — and why every even number ends in one of five digits.Tens and OnesWhy the 4 in 47 is worth forty, not four.Bigger, Smaller, EqualThe three comparison symbols, and the trick for remembering which way they point.First, Second, ThirdPosition words — different from counting words, and easy to muddle.What Makes a SentenceThree things every sentence needs — check all three before you stop writing.NounsNaming words — people, places, things and animals.VerbsDoing words — and the ones that hide, like is and was.AdjectivesDescribing words that tell you which one, what kind, or how many.Question WordsThe six words that start a question — and what each one is asking for.Animal GroupsThe five groups every animal belongs to, and the test for each.What Things Are Made OfSix everyday materials and the property that makes each one useful.Knowing the CoinsTelling the coins apart by size, colour and edge — before any counting starts.Two-Letter StartsBlends — where you hear both letters, unlike a digraph.The Four SeasonsWhat changes outside across a year, and why it repeats.Sun, Moon and StarsThe three things in the sky, and how to tell them apart.Wants and NeedsThe difference between what keeps you alive and what makes you happy.