Make one into many and TWO words change, not one: la silla becomes las sillas. Add a describing word and it goes after the name and copies it as well. Twenty-four cards, a quiz in three tiers and four workshop activities close the K–2 band on the one habit that holds Spanish together — words that belong together copy each other.
When one becomes many, every word changes together
One chair. La silla. You already know this from the last room — the name and its little word, traveling together.
Spanish words that belong together COPY each other. If the name goes plural, the little word goes plural and the describing word goes plural. If the name is on the la shelf, the describing word takes the la ending. It is not three rules — it is one habit, and the habit is copying. English does almost none of this, which is why it has to be pointed out; a Spanish speaker does it without ever thinking about it.
Two things people get wrong
⚠️People often think…
To make it plural, add -s to the name and leave the little word alone: la sillas.
Both words change, always. La silla becomes LAS sillas. El libro becomes LOS libros. Un perro becomes UNOS perros. A Spanish speaker hears la sillas the way you hear ‘a chairs’ — instantly, and without having to think about why.
Two words go plural, not one. las sillas, los libros.
⚠️People often think…
The describing word stays the same no matter what it describes, the way it does in English.
In English, black is black: a black cat, black cats, a black house. In Spanish it copies the name it describes. El gato negro. La gata negra. Los gatos negros. Las gatas negras. Same word, four dresses, and the name it is standing next to chooses which one.
The describing word copies the name beside it.
Make one into many
1Watch one
Turn el libro into more than one.
Look at the last letter of libro. It is a vowel — the o.
After a vowel, just add -s: libros.
Now the little word. El becomes los.
Check that both words moved. El → los. Libro → libros. Two changes.
los libros. ✓ If only one of the two words changed, something is missing.
2Do one with me
Make these three plural. Write both words each time.
la silla ends in a vowel, so it becomes
el papel ends in a consonant, so it becomes
el lápiz ends in -z, so it becomes
💬One sentence, then you move on
Why is la sillas wrong, even though sillas is spelled correctly?
3Try one
Two black cats. Write it in Spanish — the little word, the name and the color, all matching.
I want a hint first
Gato is on the el shelf. More than one el word takes los. Then add -s to gato, and then make negro copy both of those.
💬Last one — then you’re done here
English says ‘black cats’ with one change. Spanish says ‘los gatos negros’ with three. What is Spanish doing with all that extra work?
Where this goes
Where this lives
Every time you say more than one of anything, for the rest of your Spanish. And every describing word you will ever use — big, small, new, old, tall, short, and all of the colors.
What this feeds
This is the last room of the K–2 band. Next comes a whole thought — someone, and something they do — which is where the Spanish sequence meets what you learned about sentences in English. Keep practicing with the Daily Drafts until that room opens.
Look around and find three of something. Write it in Spanish with all three words matching.
One card at a time — tap “Show me” to check yourself, then Next. Start at Foundation; when those feel easy, climb.
Helpful Hints
🧭 The unit in one line
More than one → BOTH words change → vowel takes -s, consonant takes -es, -z becomes c → el/la become los/las → the describing word goes AFTER the name and copies it → numbers and how-many words go in FRONT.
Two words go plural, not one. And the describing word copies the name beside it.
🔑 The one idea
Spanish words that belong together copy each other. The little word, the name and the describing word all carry the same two facts — which shelf the name lives on, and how many there are. It is not three rules; it is one habit, and the habit is copying. That copying is a safety net: if one word is lost in a noisy room, the other two still say what was meant, and in a long sentence it is how you tell which describing word belongs to which name.
⚠️ Traps to avoid
Both words go plural, not one. La silla → las sillas, never la sillas.
After a consonant the ending is -es: los papeles, not los papels.
After -z the z becomes c: los lápices, not los lápizes.
The describing word copies the name: el gato negro, la gata negra, los gatos negros.
A describing word ending in -e only counts — grande, grandes. It never changes for the shelf.
Muy goes with describing words, mucho goes with names. Muy grande, but muchos libros.
Numbers and how-many words go in FRONT: tres gatos negros, muchas sillas.
📐 Making it plural
The name ends in
Do this
One
More than one
a vowel
add -s
la silla
las sillas
a vowel
add -s
el libro
los libros
a consonant
add -es
el papel
los papeles
a consonant
add -es
la ciudad
las ciudades
the letter z
z → c, then -es
el lápiz
los lápices
🎯 How you will be asked
“Make this plural.” — and they are checking BOTH words.
“Which is right: la sillas or las sillas?”
“Say two big houses in Spanish.” — number in front, describing word behind.
“Why is it los lápices and not los lápizes?”
“Fill the blank: las casas ____.” — with blanco.
✅ Before the test, can you…
Make six names plural, changing both words each time?
Say the three plural endings and when each one is used?
Give all four forms of negro and say what picks each one?
Explain why grande has two forms but pequeño has four?
Say where a number goes and where a color goes, in the same phrase?
Check a phrase by comparing its first word with its last?
📚 Go to the sources
These open another website and need the internet. Look up a describing word in the first two — a dictionary shows all four of its forms, which is exactly the copying this unit is about.
Look back at anything you missed — the hint that appeared is exactly what to reread tonight.
How sure did you feel?
Workshop
Send twelve names to their plural ending, put a conversation about four dogs back in order, label two pictures with phrases where every word matches, then tell a friend why la sillas is wrong even though sillas is spelled correctly.
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Your practice record — saved on this device
This is your record of the module on screen — it stays here and goes nowhere. Independent means you got it right on the first tap; supported means you got it after the explain-and-retry, or marked ‘I had it’ on a revealed answer. Both count, and neither is a grade. If your teacher asks, copy the row or show them this screen.
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