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IQ Test Ages 4–90

Free KBIT-2 Practice Test

The Kaufman Brief Intelligence Test, Second Edition (KBIT-2) is a quick IQ screener used by school psychologists to identify students who may benefit from further gifted or special education testing. Unlike the WISC-V (which takes 60–90 minutes), the KBIT-2 takes just 15–30 minutes — making it a common first-step screening tool.

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Ages 4–90
Age Range
3 Subtests
Test Structure
15–30 Min
Test Duration
IQ Composite
Score Format

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Everything You Need to Prepare

Practice Questions
50 free questions
Skill Boosters
5 key terms
Study Guide
On this page
Books
2 study guides
Articles
2 guides

Test Structure

What the KBIT-2 Covers

Three subtests measure both crystallized (learned knowledge) and fluid (novel problem-solving) intelligence. Together they form the IQ Composite score.

Verbal Knowledge

Tests vocabulary by having the child point to the picture that matches a spoken word (for young children) or by selecting the word that fits a category (for older children). A strong predictor of crystallized intelligence — knowledge accumulated through experience and education.

Riddles

The child is given a verbal clue and must identify the concept. Example: "It has four legs, barks, and lives with humans — what is it?" Tests verbal reasoning and the ability to integrate multiple pieces of information. The riddle format is unique to the Kaufman tests.

Matrices (Nonverbal)

Visual pattern completion using geometric shapes and symbols — no words or numbers. Tests fluid intelligence and abstract reasoning. The nonverbal format makes the Matrices subtest useful for assessing children from non-English-speaking backgrounds.

Study Strategy

Prep Tips for Parents

1
Understand it's a screener

A referral for full testing is good news — not something to fear. The KBIT-2 is a gateway, not a final verdict on your child's intelligence.

2
Build vocabulary through reading

Build vocabulary through wide reading and conversation. Verbal Knowledge is the most directly improvable subtest — every book your child reads adds to their vocabulary store.

3
Practice visual pattern puzzles

Practice visual pattern puzzles for the Matrices section. Tangrams, Sudoku (number patterns removed), or NNAT-style puzzle apps all strengthen fluid reasoning.

4
Keep the atmosphere calm

Stay calm — the test is short and low-pressure. The KBIT-2 is conversational and administered one-on-one by a psychologist, which many children find less stressful than group tests.

5
Ask for the full evaluation

Ask for the full WISC-V or SB5 if the KBIT-2 suggests giftedness. The KBIT-2 Composite is an estimate — only a comprehensive evaluation can confirm giftedness for program placement.

Study Materials

Recommended Books

Handpicked study guides to complement your online practice. Affiliate links — we earn a small commission at no extra cost to you.

KBIT-2 Parent Guide Book

Is My Child Gifted? A Parent's Guide to IQ Testing

A practical guide to understanding what IQ screeners measure, what scores mean, and how to navigate the gifted identification process.

Visual Thinking Puzzles Book

Visual Thinking Puzzles for Kids: Pattern Recognition Workbook

Builds the fluid reasoning and spatial pattern skills tested in the KBIT-2 Matrices subtest through engaging visual puzzles.

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See How You Do

Sample Question Verbal

Which word means the OPPOSITE of ANCIENT?

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KBIT-2 Articles

Score Guide

KBIT-2 Scores Explained: What Your Child's IQ Composite Means

A parent guide to KBIT-2 IQ Composite scores, what the three subtests measure, and when to request follow-up testing.

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Testing Guide

Gifted Screening Tests: KBIT-2, CogAT, and When to Test for IQ

The sequence of gifted identification — from classroom nomination to brief screener to full IQ evaluation.

Read article →

View all articles →

Common Questions

Frequently Asked Questions

What is the KBIT-2?

A brief IQ screener measuring verbal knowledge (Verbal Knowledge + Riddles) and nonverbal reasoning (Matrices). Takes 15–30 minutes. Mean 100, SD 15.

How is KBIT-2 different from WISC-V?

The KBIT-2 is a screener — it gives a quick estimate of intelligence. The WISC-V is a comprehensive evaluation with 5 index scores and 10+ subtests taking 60–90 minutes.

What is a good KBIT-2 score?

115+ (84th percentile) is above average; 125+ (95th percentile) is a strong indicator for gifted referral; 130+ (98th percentile) is the typical gifted threshold.

Who administers the KBIT-2?

School psychologists, educational diagnosticians, or licensed psychologists. Available in school settings for initial screening.

What happens if my child scores high on the KBIT-2?

The school psychologist will typically recommend a full psychoeducational evaluation (WISC-V or Stanford-Binet V) to confirm and document giftedness for program placement.

What to Expect

Sample KBIT-2 Question Types

The KBIT-2 is a brief IQ screener — not a full diagnostic like the WISC-V. It takes 15–30 minutes and measures Verbal and Nonverbal intelligence. It is often used as an initial screening step before a full evaluation.

Verbal – Verbal KnowledgeExaminer says "Show me the one that means the same as 'exhausted'." Child points to a picture of someone extremely tired. Show answer ▾

✓ Point to the picture showing extreme tiredness

Verbal Knowledge uses pictures to test vocabulary without requiring the child to speak or read — accessible to children with expressive language differences. The vocabulary level escalates quickly: early items use simple concrete words; later items use abstract or multisyllabic words.

Verbal – Riddles"I have four legs, a tail, I bark, and I am a common household pet. What am I?" Show answer ▾

✓ Dog

Riddles test verbal reasoning and the ability to synthesize multiple clues. The examiner gives one clue at a time — answering after fewer clues earns higher points. Upper-level riddles use abstract concepts: "I am a system of rules that governs a nation. I am not a law but I contain laws. What am I?" (A constitution.)

Nonverbal – MatricesA 2×2 grid of shapes with one missing. Choose the shape that correctly completes the pattern. Show answer ▾

✓ The shape satisfying both the row and column pattern

KBIT-2 Matrices begin with simple 2×2 grids and progress to 3×3 grids. This measures the same reasoning as the NNAT and WISC-V Matrix Reasoning — but in a shorter format. A high Matrices score alongside lower Verbal scores suggests strong nonverbal reasoning not captured by language-heavy tests.

Nonverbal – Matrices (advanced)A 3×3 grid where shapes rotate, change shading, and change size simultaneously. Show answer ▾

✓ Isolate one attribute at a time; find the option satisfying all rules

Advanced KBIT-2 items involve multiple simultaneous transformations. Strategy: isolate one attribute at a time (shape only, then shading only, then size only), identify the rule for each, then find the answer satisfying all rules simultaneously. Students who rush and process all attributes at once make significantly more errors.

Verbal – Riddles (advanced)"I am everywhere but cannot be seen or touched. I have no color, no smell, but without me nothing lives. What am I?" Show answer ▾

✓ Air

Upper-level KBIT-2 riddles require abstract reasoning and definitional thinking. Daily "what am I?" riddle practice builds the habit of thinking in defining characteristics rather than surface images — the core skill this subtest measures.

Score Guide

Understanding KBIT-2 Scores

The KBIT-2 reports a Verbal standard score, a Nonverbal standard score, and an IQ Composite — all with mean 100 and standard deviation 15. It is a screener, not a full IQ test, and results should be interpreted accordingly.

KBIT-2 vs. full IQ tests: what the score means

Because the KBIT-2 has only two subtests, its IQ Composite is less reliable than a WISC-V or SB5 FSIQ derived from 10+ subtests. A KBIT-2 score of 120 does not carry the same diagnostic weight as a WISC-V score of 120. The KBIT-2 is best understood as a first-pass screen: a high score justifies a full evaluation, and a lower score does not rule out giftedness the way a comprehensive test might.

Many school districts use the KBIT-2 as an initial gifted screener because it is brief and can be administered quickly. If your child's result was close to a program cutoff, requesting a full WISC-V or SB5 evaluation is a reasonable next step.

115+
Above average (84th pct.)
120+
Typical gifted screener threshold
130+
Typically referred for full eval