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Fractions Addition and Subtraction
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Fractions Addition and Subtraction
📚 Part 1: Like and Unlike Denominators
1. Calculate: 3/8 + 1/8
2. Calculate: 1/4 + 1/3 (Show your working to find the common denominator)
3. Calculate: 7/10 - 2/5
4. A recipe calls for 2/3 cup of flour. You accidentally add 1/6 cup extra. How much flour have you used in total?
✏️ Part 2: Mixed Numbers and Improper Fractions
5. Convert to a mixed number: 13/4 = _______
6. Convert to an improper fraction: 2 3/5 = _______
7. Calculate: 1 1/2 + 2 1/4 (Convert your answer to a mixed number)
8. You are sharing ingredients for a community meal. You have 3 1/4 cups of rice and need to remove 1 2/3 cups for another dish. How much rice remains?
🎯 Part 3: Estimation and Problem Solving
9. Before calculating, estimate whether 4 5/6 + 2 1/8 will be closer to 6, 7, or 8. Explain your reasoning.
10. Now calculate the exact answer for question 9:
11. A student calculated 1/2 + 1/3 = 2/5. Explain what mistake they made and show the correct working.
12. Reflection: What is one strategy that helps you when adding or subtracting fractions with different denominators?
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