Percentage appreciation - PowerPoint PPT Presentation

Percentages

Percentages. Revision of Level 2. Appreciation / Depreciation. Expressing “A” as a percentage of “B”. www.mathsrevision.com. Finding Initial Value after increase or decrease. Starter Questions. Q2. Tidy-up the expression. Q3. Q1. 34.5 + 0.6 + 5. www.mathsrevision.com. Q4. Percentages.

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Prelim Revision

Prelim Revision. No 7. 1. Break the brackets: (x + 5)(x 2 – 3x + 4) 2. Calculate the standard deviation. 3 1 9 2 7. 3. Wilbur’s house has risen in value from £184000 to £198000. Calculate the percentage appreciation. 4. a) Calculate L CAB. C. 10cm. 8cm. B. A. 12cm.

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Expressing as a Percentage

Expressing as a Percentage. Remember. Fraction → Percentage? 4 / 5. 4 ÷ 5. X 100. 80%. 0.8. Basic example. 17 out of 40 hens are happy What percentage is this? Get Fraction →Decimal → Percentage. 17 / 40. 0.425. 42.5%. Percentage Depreciation (decrease).

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