Mathematics GCSE
increase and decrease
What increase and decrease means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of increase and decrease
Check what you remember
Read the wording for your board, then hide it and explain increase and decrease in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
15% more than an amount is that amount × 1.15, and 15% less is the amount × 0.85, because a fall of 15% keeps 85% of the value.
Topics that use increase and decrease
- Number - Fractions, decimals and percentages (Pearson Edexcel GCSE)
Related terms
- algebraic subtraction method
- denominator
- equivalent fractions
- Equivalent ratios
- Exact value
- Fraction to decimal conversion
- fractions as operators
- numerator
Using increase and decrease in the exam
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