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1. IGCSE & GCSE Maths - Increase and Decrease in a Given Ratio
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2. Increase Decrease Ratio
Increase Decrease Ratio
3. GCSE Maths - Percentage Increase and Decrease (Multiplier Method) (2026/27 exams)
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4. GCSE Maths - What are Ratios & How to Simplify Them (Part 1) (2026/27 exams)
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5. GCSE Maths - How to Calculate Percentage Change (Increase or Decrease) (2026/27 exams)
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6. All of iGCSE Maths Ratio: What You Need To Know
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8. How to increase or decrease a value in a given ratio | Grade 8-9 | GCSE
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9. Increase/Decrease by a Percentage - GCSE Maths
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10. Percent of Change | Percent Increase and Decrease | Math with Mr. J
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11. Ratios Given One Quantity GCSE Maths Edexcel foundation Paper 1 May 2020 Question 15
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12. GCSE Maths - Reverse Percentages - Calculating The Cost Before The Discount (2026/27 exams)
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13. How to Increase and Decrease in a Ratio || Maths Lit
14. Ratios Explained - GCSE and IGCSE Maths
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15. Increasing and decreasing ratios | GCSE & IGCSE Maths | AQA, Edexcel, CIE, OCR and O Levels
Igcse Gcse Maths Increase And Decrease In A Given Ratio Information Guide
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Last Updated: August 11, 2026
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