Iowa · Cheat Sheet
Iowa permit-test facts: Questions: The official instruction-permit page does not state the actual knowledge-test question count.; To pass: Must pass the knowledge and vision tests; the permit page does not state a numeric knowledge-test threshold.; Minimum age: 14; Fee: $6 Class C instruction permit; Re-takes: Knowledge-test retake policy not stated in the cited official sources.; Official handbook: Iowa Driver's License Manual.
Short on time? This Iowa DMV cheat sheet pulls the highest-yield facts and rules from the Iowa Driver's License Manual into one scrollable page — the stuff that shows up over and over on the permit test.
Skim it, then take the free 6-question check-in at the bottom to see how much actually stuck.
Iowa permit-test facts: Questions: The official instruction-permit page does not state the actual knowledge-test question count.; To pass: Must pass the knowledge and vision tests; the permit page does not state a numeric knowledge-test threshold.; Minimum age: 14; Fee: $6 Class C instruction permit; Re-takes: Knowledge-test retake policy not stated in the cited official sources.; Official handbook: Iowa Driver's License Manual.
Each field links to the primary official source used for its review. A field marked not stated means the reviewed source did not publish that requested fact; confirm current application details with the authority.
| Fact | Answer | Evidence status |
|---|---|---|
| Questions | The official instruction-permit page does not state the actual knowledge-test question count. | Not stated on the cited official page |
| To pass | Must pass the knowledge and vision tests; the permit page does not state a numeric knowledge-test threshold. | Verified against cited official source |
| Minimum age | 14 | Verified against cited official source |
| Fee | $6 Class C instruction permit | Verified against cited official source |
| Re-takes | Knowledge-test retake policy not stated in the cited official sources. | Not stated on the cited official page |
| Official handbook | Iowa Driver's License Manual | Verified against cited official source |
Official source
Field evidence reviewed: 2026-09-14 (retrieved)
Three sample questions from our practice bank. Read the explanation after each.
Question 1 · Knowledge test
How many questions are on the Iowa knowledge test, and what score do you need to pass?
Correct answer: 35 questions, 28 correct
Iowa: 35 questions, get 28 right (80%) to pass.
Question 2 · Winter driving
When driving on an icy Iowa road in winter, how should you brake?
Correct answer: Brake gently and early to avoid skidding
On ice, brake gently and early — hard braking causes skids.
Question 3 · Traffic signs
What should you do when you see a stop sign?
Correct answer: Come to a complete stop and yield
At a stop sign: stop completely, yield, then go when it is safe.
Your first full mock exam is free.
Strong head start, but on its own — no. Combine it with at least 100 practice questions and one full mock exam.
Yes — every fact comes from the current Iowa Driver's License Manual. We update content within 30 days of any handbook revision.
Not yet — but you can print this page directly from your browser. PDF cheat sheets for paid users are coming.
Rarely as exact numbers — more often as concepts (e.g., "what doubles your stopping distance?"). Understanding the rule matters more than memorizing feet.
Start with a free practice exam. No card, no commitment.
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