How to Crack Verbal Reasoning Code Questions in the 11+

What Are Code Questions?

Code questions are one of the most distinctive question types in the 11+ Verbal Reasoning exam. Your child is presented with a set of four-letter words and three number codes. Each code matches one of the words, and each digit represents a specific letter. The task is to crack the code — work out which number stands for which letter — and then use that code to answer questions.

These questions test pattern recognition and logical deduction rather than vocabulary or general knowledge. That makes them highly learnable: once your child understands the method, they can solve them quickly and reliably.

Did you know? Code questions appear in both GL Assessment and CEM-style 11+ papers, making them one of the most universally relevant Verbal Reasoning topics to master.

The Step-by-Step Method

The key to cracking code questions efficiently is to follow a systematic approach rather than guessing. Here is the method broken down into clear steps.

Step 1: Start With the Numbers, Not the Words

This is the most important piece of advice. Many children instinctively start by looking at the words, but this can lead them to make connections with a word that is not even represented in the codes. Since only three of the four words have matching codes, starting with the numbers ensures every comparison is productive.

Step 2: Find Shared Digits Across Codes

Look at the three number codes and ask: which digits appear in more than one code? Note which codes share digits and, critically, what position those shared digits occupy.

For example, if the digit 6 appears in the fourth position of one code, the second position of another, and the second position of a third, that gives you a clear pattern to match against the letters.

Step 3: Match Digit Positions to Letter Positions

Now turn to the words. Look for a letter that appears in the same positions as your identified digit. If the digit appears second in two codes and fourth in another, search for a letter that is second in two words and fourth in another.

Tip: When two positions match (say, second in two words), start there. Check which letters appear in the second position of any two words. Then verify your answer against the third occurrence to confirm.

Step 4: Confirm and Eliminate

Once you have identified one letter-to-digit match, fill it in across all codes. This immediately narrows down the remaining possibilities. With one letter confirmed, you can often identify which words match which codes, and from there the remaining letters fall into place quickly.

Step 5: Answer the Questions

With the full code built, the actual questions become straightforward — often solvable in ten seconds or less. Questions typically ask your child to either:

• Encode a word — convert letters to their number code
• Decode a number — convert a number code back into a word

A Worked Example

To illustrate the method, consider this setup:

Following the steps above:

1. Find shared digits: The digit 6 appears in all three codes — in positions 2, 2, and 4 respectively.
2. Match to letters: Which letter appears second in two words and fourth in another? The letter E appears second in SEAT and TEAM, and fourth in FAME. So 6 = E.
3. Narrow down: Since SEAT and TEAM both contain E in the second position, they must match the two codes with 6 in the second position. Both codes also share the digit 2 in the same pattern as the letter A — so 2 = A.
4. Continue: SEAT and TEAM share the letter T (one starts with it, the other ends with it), matching the shared digit 3. So 3 = T. From there, 5 = M and 1 = S, and FAME matches the remaining code with 4 = F.

The entire code is now built, and questions like “find the code for FATE” become instant: F(4), A(2), T(3), E(6) — 4, 2, 3, 6.

Common Mistakes to Avoid

Tip: During early practice sessions, encourage your child to write out the code as a key (e.g., 1 = S, 2 = A, 3 = T) before attempting the questions. As they gain confidence, they will naturally do this faster and may not need to write it all out.

Practice Tips for Parents

Building speed and accuracy with code questions comes down to regular, focused practice. Here are some practical suggestions:

• Start untimed. Let your child work through the method carefully without time pressure. Speed comes naturally once the approach is solid.
• Talk through the logic together. Ask your child to explain their reasoning at each step. If they cannot articulate why they chose a particular match, they may be guessing rather than deducing.
• Move to timed practice gradually. Once the method feels comfortable, introduce timed conditions to build exam-ready speed.
• Mix code questions with other Verbal Reasoning types. In the real exam, code questions sit alongside other Verbal Reasoning methods such as analogies, letter series, and word codes. Practising a variety of question types ensures your child can switch between techniques smoothly.

For a broader view of what the 11+ involves and how Verbal Reasoning fits into the overall picture, our complete guide to 11+ exam preparation covers every subject area and key milestones.

Building Vocabulary Alongside Code Skills

While code questions themselves are logic-based, many other Verbal Reasoning question types depend on strong word knowledge. Synonyms, antonyms, analogies, and word-meaning questions all require a solid vocabulary. If your child is working on Verbal Reasoning, it is well worth building their vocabulary in parallel — the two skill sets reinforce each other.

Practise Code Questions With Our 11+ Apps

Code questions reward method and practice, and our apps provide exactly that. The 11+ Verbal Reasoning Methods & Techniques app covers 22 Verbal Reasoning topics across 1,050 questions, including dedicated sections on word codes and letter-number codes. Each topic includes study notes that walk through the method step by step — much like the approach outlined above — so your child can learn the technique and then immediately apply it.

Once your child is comfortable with individual topics, the 11+ Verbal Reasoning Practice Papers app offers 1,920 questions across 24 timed practice papers, giving them realistic exam conditions to build speed and confidence. Together, these two apps provide nearly 3,000 Verbal Reasoning questions — comprehensive preparation for any 11+ exam board.

Both apps are part of our full suite of 7 specialist 11+ apps covering over 8,190 questions across Verbal Reasoning, Non-Verbal Reasoning, Maths, English, and Vocabulary. Structured, regular practice across these subjects gives your child the best possible foundation for exam day.