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Edexcel IGCSE Math A 1.6 percentages

Use percentage questions to calculate parts, increases, decreases, original values and compound changes in money or measurement contexts.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Foundation

Exam points

  • Calculate percentages of amounts and express one number as a percentage of another.
  • Use multipliers for percentage increase, decrease, reverse percentages and comparisons.
  • Apply repeated percentage change to compound interest, depreciation or yearly changes.

Covered syllabus points

1.6.A Meaning of percentage1.6.B Express a given number as a percentage of another number1.6.C Express a percentage as a fraction and as a decimal1.6.D Percentages as operators1.6.E Simple percentage problems1.6.F Reverse percentages1.6.G Compound interest and depreciation

1.6 Percentages question 1

[Maximum number: 2]

The area of land on a farm is 120 hectares.
The farmer grows crops on 78\frac{7}{8} of the land.
On 23\frac{2}{3} of the land used to grow crops, the farmer grows wheat.

Last year, the farmer made 31500 euros from selling his wheat.
His total income was 42000 euros.

Write 31500 as a percentage of 42000

1.6 Percentages question 2

[Maximum number: 1]

Write 23% as a decimal.

Rita has some beads in a bag.
Of these beads, Rita gives

12 to Sheng  and 25 to Tusco \begin{aligned} & \frac{1}{2} \text { to Sheng } \\ & \text { and } \frac{2}{5} \text { to Tusco } \end{aligned}

Rita now has 3 beads left in the bag.

1.6 Percentages question 3

[Maximum number: 2]

Work out 45% of 800

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