Decodable readers: what they are and when your kid needs them

If your kid just started learning to read, you've probably heard the phrase “decodable readers” from a teacher, a phonics program, or another parent who seems to know something you don't. It sounds technical. It isn't. Here's what decodables are, why they look so strange, and how long your kid actually needs them.

What a decodable reader is

A decodable reader is a book written under one strict rule: the kid should be able to sound out every word on the page using only the letter-sound patterns they've been explicitly taught so far.

If your kid has learned s, a, t, p, i, n, their decodable book says things like “a tan pan” and “Pip sat.” Nothing they haven't been taught sneaks in, apart from a handful of unavoidable words like “the” and “said,” which are usually flagged as tricky words.

That's why early decodables read a bit oddly. “Sam sat on the mat” was not written to win prizes. It was written so that a five-year-old who knows nine letters can read an entire book by themselves, without guessing, on the first try. For a kid who has never read anything independently before, that moment is genuinely a big deal.

Decodable vs levelled vs predictable books

These three get mixed up constantly, including by the people selling them. They're built on different logic.

The trap with predictable books is that they can make a kid look like they're reading when they're actually reciting and guessing from pictures. That's fine at age three or four. It's a problem if it becomes the strategy a six-year-old leans on instead of looking at the letters. Decodables exist precisely to make guessing unnecessary: every word yields to sounding out.

When your kid needs decodables

Roughly: while phonics is being actively taught. In practice, that means:

• they're in their first year or two of reading instruction, usually somewhere between ages 4 and 7
• they know some letter sounds but can't yet read an unfamiliar simple word without help
• they guess words from the first letter or the picture instead of sounding all the way through
• they're older but struggling, and a teacher has suggested going back to basics — decodables are standard practice there too

The single most useful thing you can do is match the books to the phonics sequence your kid's school uses. Ask the teacher which program the class follows and which sounds they're on. A decodable that's ahead of the classroom sequence is just a hard book with a virtuous label.

When to move on

Decodables are training wheels, and that's meant kindly: training wheels are great, and then one day they're not. The point of a decodable reader is to make itself unnecessary.

Your kid has probably outgrown them when they can pick up a simple unfamiliar book and read it without much struggle, when they sound out new words automatically instead of stopping to think about it, and when the decodables have started to bore them. Boredom here is a good sign, not a bad one.

There's no prize for staying on decodables longest. A kid who can decode comfortably learns more from books with real stories, richer words, and jokes that land. If you're wondering how much reading practice makes sense at that stage, we've written about it in how much should a 6-year-old read each day.

How to use them without killing the mood

Decodables are practice books, and kids can smell it. A few things keep it pleasant:

Keep sessions tiny. Five minutes of sounding out is real work for a beginner. One little book is a session.

Let them read it twice. The second read is where it gets smooth, and smooth is what makes a kid feel like a reader. Re-reading the same decodable is not cheating, it's the point.

Keep real books in the mix. Decodables are for practising. Bedtime stories you read to them can and should stay far above their reading level. One does not replace the other.

Don't turn every stumble into a lesson. Wait a beat, let them work it out, tell them the word if they're stuck, move on. If reading aloud itself is the sticking point, our guide on how to get a kid to read aloud goes deeper on that.

Where to find decodable readers

You don't need to spend much here, and the expensive boxed sets are not meaningfully better than the cheap ones.

• Your kid's school. Many phonics programs come with their own decodables that go home in the book bag. These match the teaching sequence exactly, which makes them the best option on this list.
• The library. Ask for decodable or phonics readers. Series like Bob Books, Dandelion Readers, and Phonic Books are common on the shelves.
• Free printables from reading charities and education departments. Several publish full sets of decodable booklets as free PDFs — SPELD SA's free phonic books are a well-known example, and Core Knowledge's early reading materials are free to download too.

Whatever you pick, check the back cover or the first page: a real decodable will state which sounds it covers. If a book calls itself decodable but doesn't tell you what it's decodable with, it's usually a levelled reader in a costume.

If they hate them

Some kids find decodables dull, and honestly, some decodables are. The fix is usually shorter sessions and a faster path to books with actual jokes, not pushing harder. If your kid is six or seven and the resistance has curdled into “I hate reading,” the problem is rarely the book type — our guide on how to help a 7-year-old who hates reading covers what's usually going on underneath.

One last thing

Decodable readers are a phase, and a short one. A season or two of “Sam sat on the mat,” read proudly and slightly too loudly, and then your kid moves on to books they actually chose. Don't stockpile seventy of them. Get a handful that match what school is teaching, keep the sessions small, and let the training wheels come off when they're ready.