{
 "model": "openai/gpt-oss-20b",
 "provider": "Groq API (free tier)",
 "task": "math3-fractions",
 "prompt": "Create a 10-question multiple-choice quiz for 3rd graders on understanding fractions (unit fractions, fractions on a number line, comparing fractions with the same numerator or the same denominator). Use 4 answer choices per question and include a separate answer key with a one-sentence explanation for each answer.",
 "system": "You are helping a grade 3-8 teacher. Produce classroom-ready material.",
 "temperature": 0.3,
 "max_tokens": 3000,
 "ran_at": "2026-10-16T08:00:22-0700",
 "output": "**Quiz: Understanding Fractions (Grade\u202f3)**  \n*Choose the best answer for each question.*\n\n| # | Question | A | B | C | D |\n|---|----------|---|---|---|---|\n| 1 | Which of the following is a **unit fraction**? | 2/3 | **1/5** | 3/4 | 4/7 |\n| 2 | On a number line from 0 to 1, where is **1/2**? | 0.25 | **0.5** | 0.75 | 1 |\n| 3 | Which fraction is larger? **2/6** or **3/6**? | 2/6 | **3/6** | equal | cannot tell |\n| 4 | Which fraction is larger? **1/3** or **1/5**? | **1/3** | 1/5 | equal | cannot tell |\n| 5 | Which fraction lies between 1/4 and 1/2 on a number line? | 1/8 | **3/8** | 1/3 | 2/5 |\n| 6 | Which fraction is **half of 1/4**? | **1/8** | 1/6 | 1/12 | 1/2 |\n| 7 | Which fraction is bigger? **4/9** or **5/9**? | 4/9 | **5/9** | equal | cannot tell |\n| 8 | Which fraction is smaller? **2/5** or **2/7**? | 2/5 | **2/7** | equal | cannot tell |\n| 9 | Which of the following is a **unit fraction**? | 2/4 | **1/4** | 3/4 | 4/4 |\n|10 | On a number line from 0 to 1, where is **3/4**? | 0.25 | 0.5 | **0.75** | 1 |\n\n---\n\n### Answer Key & Explanations\n\n1. **B** \u2013 A unit fraction has 1 in the numerator.  \n2. **B** \u2013 1/2 is exactly halfway between 0 and 1.  \n3. **B** \u2013 With the same denominator, the larger numerator gives the larger fraction.  \n4. **A** \u2013 With the same numerator, the smaller denominator gives the larger fraction.  \n5. **B** \u2013 3/8 is halfway between 1/4 (2/8) and 1/2 (4/8).  \n6. **A** \u2013 Half of 1/4 (2/8) is 1/8.  \n7. **B** \u2013 5/9 is larger because the numerator is bigger while the denominator is the same.  \n8. **B** \u2013 2/7 is smaller because the denominator is larger while the numerator is the same.  \n9. **B** \u2013 1/4 has 1 in the numerator, making it a unit fraction.  \n10. **C** \u2013 3/4 equals 0.75, which is three\u2011quarters of the way from 0 to 1.",
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}