1. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. To understand how to use decimals to speed up percentage calculations. Objectives

2. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. Every percentage has a decimal equivalent.

3. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. Every percentage has a decimal equivalent.

4. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. Every percentage has a decimal equivalent.

5. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. Every percentage has a decimal equivalent.

6. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. To find a percentage of a number, multiply by the decimal equivalent. 82% 51% 25% 8% 0.82 0.51 0.25 0.08 82% of 54= 0.82 x 54= 44.28 51% of 72= 0.51 x 72= 36.72 25% of 48= 0.25 x 48= 12 8% of 116= 0.08 x 116 = 9.28