{
 "model": "openai/gpt-oss-20b",
 "provider": "Groq API (free tier)",
 "task": "math5-decimals",
 "prompt": "Write a 10-question quiz for 5th graders on decimal operations: 3 addition/subtraction, 3 multiplication, 2 division and 2 word problems involving money. Mix multiple-choice and short answer. Provide an answer key that shows the worked solution for each problem.",
 "system": "You are helping a grade 3-8 teacher. Produce classroom-ready material.",
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 "ran_at": "2026-10-16T08:00:55-0700",
 "output": "**Decimal Operations Quiz \u2013 5th Grade**  \n*Name: _______________________   Date: _______________________*\n\n**Instructions**  \n- Read each question carefully.  \n- For **multiple\u2011choice** questions, circle the correct letter.  \n- For **short\u2011answer** questions, write your answer in the space provided.  \n- Show your work where possible.  \n\n---\n\n### Quiz\n\n| # | Question | Type | Answer Choices (if MC) |\n|---|----------|------|------------------------|\n| 1 | 3.45 + 2.78 = ? | MC | A) 6.23  B) 6.33  C) 6.43  D) 6.53 |\n| 2 | 7.90 \u2013 4.35 = ? | SA |  |\n| 3 | 0.6 \u00d7 4.5 = ? | MC | A) 2.7  B) 2.8  C) 2.9  D) 3.0 |\n| 4 | 8.4 \u00f7 0.3 = ? | SA |  |\n| 5 | 12.3 + 5.67 = ? | MC | A) 17.97  B) 17.87  C) 18.07  D) 18.27 |\n| 6 | 3.2 \u00d7 2.5 = ? | MC | A) 7.5  B) 8.0  C) 8.5  D) 9.0 |\n| 7 | 9.75 \u2013 3.4 = ? | SA |  |\n| 8 | 5.4 \u00f7 0.6 = ? | MC | A) 7.0  B) 8.0  C) 9.0  D) 10.0 |\n| 9 | Sarah bought 3 notebooks that cost $4.25 each. How much did she spend? | SA |  |\n|10 | A pizza shop sold 12.5\u202flb of pepperoni at $3.20 per lb. How much money did they make? | MC | A) $40.00  B) $40.50  C) $41.00  D) $41.50 |\n\n---\n\n## Answer Key\n\n| # | Answer | Worked Solution |\n|---|--------|-----------------|\n| 1 | **A) 6.23** | 3.45 + 2.78 \u2192 <br>\u2003\u20033.45 <br>+\u20032.78 <br>\u2003____ <br>\u2003\u20036.23 |\n| 2 | **3.55** | 7.90 \u2013 4.35 \u2192 <br>\u2003\u20037.90 <br>\u2013\u20034.35 <br>\u2003____ <br>\u2003\u20033.55 |\n| 3 | **A) 2.7** | 0.6 \u00d7 4.5 \u2192 <br>\u2003\u20030.6 <br>\u00d7\u20034.5 <br>\u2003____ <br>\u2003\u20032.7 |\n| 4 | **28.0** | 8.4 \u00f7 0.3 \u2192 <br>\u2003\u20038.4 \u00f7 0.3 = 8.4 \u00d7 (1 \u00f7 0.3) = 8.4 \u00d7 3.333\u2026 \u2248 28.0 |\n| 5 | **A) 17.97** | 12.3 + 5.67 \u2192 <br>\u2003\u200312.30 <br>+\u20035.67 <br>\u2003____ <br>\u2003\u200317.97 |\n| 6 | **B) 8.0** | 3.2 \u00d7 2.5 \u2192 <br>\u2003\u20033.2 <br>\u00d7\u20032.5 <br>\u2003____ <br>\u2003\u20038.0 |\n| 7 | **6.35** | 9.75 \u2013 3.4 \u2192 <br>\u2003\u20039.75 <br>\u2013\u20033.40 <br>\u2003____ <br>\u2003\u20036.35 |\n| 8 | **C) 9.0** | 5.4 \u00f7 0.6 \u2192 <br>\u2003\u20035.4 \u00f7 0.6 = 5.4 \u00d7 (1 \u00f7 0.6) = 5.4 \u00d7 1.666\u2026 \u2248 9.0 |\n| 9 | **$12.75** | 3 notebooks \u00d7 $4.25 each \u2192 <br>\u2003\u20033 \u00d7 4.25 = 12.75 |\n|10 | **A) $40.00** | 12.5\u202flb \u00d7 $3.20/lb \u2192 <br>\u2003\u200312.5 \u00d7 3.20 = 40.00 |\n\n**Tips for Students**  \n- Always line up the decimal points when adding or subtracting.  \n- When multiplying, count the total number of decimal places in both numbers and place the decimal point that many places from the right in the product.  \n- For division, you can multiply the divisor by 10, 100, etc., to make it a whole number, then divide normally.  \n\nGood luck, and remember to double\u2011check your work!",
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