MathsFreePrintable
Year 3 Operation Cards
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Year 3 Operation Cards
🧮 Cards 1-8: Addition & Subtraction
Card 1: What is 45 + 23?
Card 2: Find 67 - 34. Show your working.
Card 3: Sarah has 52 stickers. She gives away 18. How many does she have left?
Card 4: What is 36 + 27? Explain how you worked it out.
Card 5: Find 80 - 46.
Card 6: Tom collected 29 shells on Monday and 35 shells on Tuesday. How many shells did he collect altogether?
Card 7: What is 54 + 38?
Card 8: Find 73 - 29. Show your strategy.
🔢 Cards 9-16: Skip Counting & Patterns
Card 9: Count by 2s: 24, 26, 28, ____, ____, ____
Card 10: Count backwards by 5s: 85, 80, 75, ____, ____, ____
Card 11: What comes next? 15, 25, 35, 45, ____
Card 12: Count by 10s starting from 47: 47, ____, ____, ____
Card 13: Fill in the missing numbers: 2, 4, 6, ____, 10, ____, 14
Card 14: What pattern do you see? 100, 90, 80, 70, ____. Explain the rule.
Card 15: Count backwards by 2s: 50, 48, 46, ____, ____, ____
Card 16: What number is 10 more than 67?
📊 Cards 17-24: Number Structure & Place Value
Card 17: Break apart 246 into hundreds, tens, and ones.
Card 18: What number has 3 hundreds, 5 tens, and 8 ones?
Card 19: Round 67 to the nearest 10.
Card 20: Which is bigger: 145 or 154? Explain why.
Card 21: What is 10 less than 203?
Card 22: Show 127 in a different way (hint: think about tens and ones).
Card 23: Order these numbers from smallest to biggest: 89, 98, 79, 87
Card 24: What number is between 156 and 158?
📝 Cards 25-30: Word Problems & Critical Thinking
Card 25: The library has 84 books. They buy 27 more books. How many books do they have now?
Card 26: Emma saves $15 each week. How much will she save in 4 weeks?
Card 27: A box holds 96 pencils. The teacher takes out 38 pencils. How many pencils are left in the box?
Card 28: Jake counts his marbles in groups of 5: 5, 10, 15, 20, 25. How many marbles does he have?
Card 29: There are 72 children in Year 3. 28 children bring lunch from home. How many children buy lunch at school?
Card 30: Challenge Card! Find two numbers that add up to 50. Then find two different numbers that also add up to 50. Explain your thinking.
🌟 Instructions for Teachers
Relay Race Instructions:
1. Divide class into teams of 4-5 students
2. Each team gets a set of cards (mix difficulty levels)
3. Students work together to solve each card
4. Encourage explaining reasoning to teammates
5. Celebrate collaboration and mathematical thinking
6. Use manipulatives (blocks, counters) to support understanding
Supporting Diverse Learners:
• Provide number lines and hundreds charts
• Allow verbal explanations alongside written work
• Use sentence starters: "I think the answer is... because..."
• Pair stronger students with those needing support
• Celebrate different problem-solving strategies
About This Worksheet
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